about summary refs log tree commit diff stats
path: root/html/073scheduler.cc.html
blob: 2f53f0bb1c84a885e40988329d47384fce559f0b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - 073scheduler.cc</title>
<meta name="Generator" content="Vim/8.0">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="cpp">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; }
body { font-size:12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; }
.subxS2Comment a { color:inherit; }
.subxS1Comment a { color:inherit; }
.subxComment a { color:inherit; }
.subxH2Comment a { color:inherit; }
.subxH1Comment a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.traceAbsent { color: #c00000; }
.cSpecial { color: #008000; }
.LineNr { color:#444444; }
.Constant { color:#00a0a0; }
.muRecipe { color: #ff8700; }
.Delimiter { color:#800080; }
.Special { color:#c00000; }
.Identifier { color:#c0a020; }
.Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; }
.Comment { color: #8080ff; }
.SalientComment { color: #00ffff; }
.traceContains { color: #008000; }
-->
</style>

<script type='text/javascript'>
<!--

/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
  var lineNum;
  lineNum = window.location.hash;
  lineNum = lineNum.substr(1); /* strip off '#' */

  if (lineNum.indexOf('L') == -1) {
    lineNum = 'L'+lineNum;
  }
  lineElem = document.getElementById(lineNum);
  /* Always jump to new location even if the line was hidden inside a fold, or
   * we corrected the raw number to a line ID.
   */
  if (lineElem) {
    lineElem.scrollIntoView(true);
  }
  return true;
}
if ('onhashchange' in window) {
  window.onhashchange = JumpToLine;
}

-->
</script>
</head>
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/master/073scheduler.cc'>https://github.com/akkartik/mu/blob/master/073scheduler.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Run a second routine concurrently using 'start-running', without any</span>
<span id="L2" class="LineNr">  2 </span><span class="Comment">//: guarantees on how the operations in each are interleaved with each other.</span>
<span id="L3" class="LineNr">  3 </span>
<span id="L4" class="LineNr">  4 </span><span class="Delimiter">:(scenario scheduler)</span>
<span id="L5" class="LineNr">  5 </span><span class="muRecipe">def</span> f1 [
<span id="L6" class="LineNr">  6 </span>  start-running f2
<span id="L7" class="LineNr">  7 </span>  <span class="Comment"># wait for f2 to run</span>
<span id="L8" class="LineNr">  8 </span>  <span class="Delimiter">{</span>
<span id="L9" class="LineNr">  9 </span>    jump-unless <span class="Constant">1</span>:num<span class="Delimiter">,</span> -<span class="Constant">1</span>
<span id="L10" class="LineNr"> 10 </span>  <span class="Delimiter">}</span>
<span id="L11" class="LineNr"> 11 </span>]
<span id="L12" class="LineNr"> 12 </span><span class="muRecipe">def</span> f2 [
<span id="L13" class="LineNr"> 13 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L14" class="LineNr"> 14 </span>]
<span id="L15" class="LineNr"> 15 </span><span class="traceContains">+schedule: f1</span>
<span id="L16" class="LineNr"> 16 </span><span class="traceContains">+schedule: f2</span>
<span id="L17" class="LineNr"> 17 </span>
<span id="L18" class="LineNr"> 18 </span><span class="Comment">//: first, add a deadline to run(routine)</span>
<span id="L19" class="LineNr"> 19 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L20" class="LineNr"> 20 </span><span class="Normal">int</span> <span class="Special">Scheduling_interval</span> = <span class="Constant">500</span><span class="Delimiter">;</span>
<span id="L21" class="LineNr"> 21 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
<span id="L22" class="LineNr"> 22 </span><span class="Normal">int</span> instructions_run_this_scheduling_slice<span class="Delimiter">;</span>
<span id="L23" class="LineNr"> 23 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
<span id="L24" class="LineNr"> 24 </span>instructions_run_this_scheduling_slice = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
<span id="L26" class="LineNr"> 26 </span> ++<span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>instructions_run_this_scheduling_slice<span class="Delimiter">;</span>
<span id="L27" class="LineNr"> 27 </span><span class="Delimiter">:(replace{} &quot;bool should_continue_running(const routine* current_routine)&quot;)</span>
<span id="L28" class="LineNr"> 28 </span><span class="Normal">bool</span> <a href='073scheduler.cc.html#L28'>should_continue_running</a><span class="Delimiter">(</span><span class="Normal">const</span> routine* current_routine<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L29" class="LineNr"> 29 </span>  assert<span class="Delimiter">(</span>current_routine == <span class="Special">Current_routine</span><span class="Delimiter">);</span>  <span class="Comment">// argument passed in just to make caller readable above</span>
<span id="L30" class="LineNr"> 30 </span>  <span class="Identifier">return</span> <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>state == <a href='073scheduler.cc.html#L41'>RUNNING</a>
<span id="L31" class="LineNr"> 31 </span>      &amp;&amp; <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>instructions_run_this_scheduling_slice &lt; <span class="Special">Scheduling_interval</span><span class="Delimiter">;</span>
<span id="L32" class="LineNr"> 32 </span><span class="Delimiter">}</span>
<span id="L33" class="LineNr"> 33 </span><span class="Delimiter">:(after &quot;stop_running_current_routine:&quot;)</span>
<span id="L34" class="LineNr"> 34 </span><span class="Comment">// Reset instructions_run_this_scheduling_slice</span>
<span id="L35" class="LineNr"> 35 </span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>instructions_run_this_scheduling_slice = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L36" class="LineNr"> 36 </span>
<span id="L37" class="LineNr"> 37 </span><span class="Comment">//: now the rest of the scheduler is clean</span>
<span id="L38" class="LineNr"> 38 </span>
<span id="L39" class="LineNr"> 39 </span><span class="Delimiter">:(before &quot;struct routine&quot;)</span>
<span id="L40" class="LineNr"> 40 </span><span class="Normal">enum</span> <a href='073scheduler.cc.html#L40'>routine_state</a> <span class="Delimiter">{</span>
<span id="L41" class="LineNr"> 41 </span>  <a href='073scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">,</span>
<span id="L42" class="LineNr"> 42 </span>  <a href='073scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">,</span>
<span id="L43" class="LineNr"> 43 </span>  <span class="Comment">// End routine States</span>
<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">};</span>
<span id="L45" class="LineNr"> 45 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
<span id="L46" class="LineNr"> 46 </span><span class="Normal">enum</span> <a href='073scheduler.cc.html#L40'>routine_state</a> state<span class="Delimiter">;</span>
<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
<span id="L48" class="LineNr"> 48 </span>state = <a href='073scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">;</span>
<span id="L49" class="LineNr"> 49 </span>
<span id="L50" class="LineNr"> 50 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L51" class="LineNr"> 51 </span>vector&lt;routine*&gt; <span class="Special">Routines</span><span class="Delimiter">;</span>
<span id="L52" class="LineNr"> 52 </span><span class="Normal">int</span> <span class="Special">Current_routine_index</span> = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L53" class="LineNr"> 53 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
<span id="L54" class="LineNr"> 54 </span><span class="Special">Scheduling_interval</span> = <span class="Constant">500</span><span class="Delimiter">;</span>
<span id="L55" class="LineNr"> 55 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L56" class="LineNr"> 56 </span>  <span class="Normal">delete</span> <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L57" class="LineNr"> 57 </span><span class="Special">Routines</span><span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L58" class="LineNr"> 58 </span><span class="Special">Current_routine</span> = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">:(replace{} &quot;void run(const <a href='010vm.cc.html#L14'>recipe_ordinal</a> r)&quot;)</span>
<span id="L60" class="LineNr"> 60 </span><span class="Normal">void</span> run<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L61" class="LineNr"> 61 </span>  run<span class="Delimiter">(</span><span class="Normal">new</span> routine<span class="Delimiter">(</span>r<span class="Delimiter">));</span>
<span id="L62" class="LineNr"> 62 </span><span class="Delimiter">}</span>
<span id="L63" class="LineNr"> 63 </span>
<span id="L64" class="LineNr"> 64 </span><span class="Delimiter">:(code)</span>
<span id="L65" class="LineNr"> 65 </span><span class="Normal">void</span> run<span class="Delimiter">(</span>routine* rr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L66" class="LineNr"> 66 </span>  <span class="Special">Routines</span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>rr<span class="Delimiter">);</span>
<span id="L67" class="LineNr"> 67 </span>  <span class="Special">Current_routine_index</span> = <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Special">Current_routine</span> = <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L68" class="LineNr"> 68 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>!all_routines_done<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L69" class="LineNr"> 69 </span>    <a href='073scheduler.cc.html#L94'>skip_to_next_routine</a><span class="Delimiter">();</span>
<span id="L70" class="LineNr"> 70 </span>    assert<span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">);</span>
<span id="L71" class="LineNr"> 71 </span>    assert<span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>state == <a href='073scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">);</span>
<span id="L72" class="LineNr"> 72 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9990</span><span class="Delimiter">,</span> <span class="Constant">&quot;schedule&quot;</span><span class="Delimiter">)</span> &lt;&lt; <a href='073scheduler.cc.html#L106'>current_routine_label</a><span class="Delimiter">()</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L73" class="LineNr"> 73 </span>    run_current_routine<span class="Delimiter">();</span>
<span id="L74" class="LineNr"> 74 </span>    <span class="Comment">// Scheduler State Transitions</span>
<span id="L75" class="LineNr"> 75 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>completed<span class="Delimiter">())</span>
<span id="L76" class="LineNr"> 76 </span>      <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>state = <a href='073scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">;</span>
<span id="L77" class="LineNr"> 77 </span>    <span class="Comment">// End Scheduler State Transitions</span>
<span id="L78" class="LineNr"> 78 </span>
<span id="L79" class="LineNr"> 79 </span>    <span class="Comment">// Scheduler Cleanup</span>
<span id="L80" class="LineNr"> 80 </span>    <span class="Comment">// End Scheduler Cleanup</span>
<span id="L81" class="LineNr"> 81 </span>  <span class="Delimiter">}</span>
<span id="L82" class="LineNr"> 82 </span>  <span class="Comment">// End Run Routine</span>
<span id="L83" class="LineNr"> 83 </span><span class="Delimiter">}</span>
<span id="L84" class="LineNr"> 84 </span>
<span id="L85" class="LineNr"> 85 </span><span class="Normal">bool</span> <a href='073scheduler.cc.html#L85'>all_routines_done</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L86" class="LineNr"> 86 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L87" class="LineNr"> 87 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == <a href='073scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">)</span>
<span id="L88" class="LineNr"> 88 </span>      <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L89" class="LineNr"> 89 </span>  <span class="Delimiter">}</span>
<span id="L90" class="LineNr"> 90 </span>  <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L91" class="LineNr"> 91 </span><span class="Delimiter">}</span>
<span id="L92" class="LineNr"> 92 </span>
<span id="L93" class="LineNr"> 93 </span><span class="Comment">// skip Current_routine_index past non-RUNNING routines</span>
<span id="L94" class="LineNr"> 94 </span><span class="Normal">void</span> <a href='073scheduler.cc.html#L94'>skip_to_next_routine</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L95" class="LineNr"> 95 </span>  assert<span class="Delimiter">(</span>!<span class="Special">Routines</span><span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L96" class="LineNr"> 96 </span>  assert<span class="Delimiter">(</span><span class="Special">Current_routine_index</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">));</span>
<span id="L97" class="LineNr"> 97 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Delimiter">(</span><span class="Special">Current_routine_index</span>+<span class="Constant">1</span><span class="Delimiter">)</span>%SIZE<span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  i != <span class="Special">Current_routine_index</span><span class="Delimiter">;</span>  i = <span class="Delimiter">(</span>i+<span class="Constant">1</span><span class="Delimiter">)</span>%SIZE<span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L98" class="LineNr"> 98 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == <a href='073scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L99" class="LineNr"> 99 </span>      <span class="Special">Current_routine_index</span> = i<span class="Delimiter">;</span>
<span id="L100" class="LineNr">100 </span>      <span class="Special">Current_routine</span> = <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L101" class="LineNr">101 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L102" class="LineNr">102 </span>    <span class="Delimiter">}</span>
<span id="L103" class="LineNr">103 </span>  <span class="Delimiter">}</span>
<span id="L104" class="LineNr">104 </span><span class="Delimiter">}</span>
<span id="L105" class="LineNr">105 </span>
<span id="L106" class="LineNr">106 </span>string <a href='073scheduler.cc.html#L106'>current_routine_label</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L107" class="LineNr">107 </span>  <span class="Identifier">return</span> <a href='073scheduler.cc.html#L110'>routine_label</a><span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">);</span>
<span id="L108" class="LineNr">108 </span><span class="Delimiter">}</span>
<span id="L109" class="LineNr">109 </span>
<span id="L110" class="LineNr">110 </span>string <a href='073scheduler.cc.html#L110'>routine_label</a><span class="Delimiter">(</span>routine* r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L111" class="LineNr">111 </span>  ostringstream result<span class="Delimiter">;</span>
<span id="L112" class="LineNr">112 </span>  <span class="Normal">const</span> call_stack&amp; calls = r<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">;</span>
<span id="L113" class="LineNr">113 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::const_iterator p = calls<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != calls<span class="Delimiter">.</span><a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L114" class="LineNr">114 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p != calls<span class="Delimiter">.</span>begin<span class="Delimiter">())</span> result &lt;&lt; <span class="Constant">'/'</span><span class="Delimiter">;</span>
<span id="L115" class="LineNr">115 </span>    result &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>name<span class="Delimiter">;</span>
<span id="L116" class="LineNr">116 </span>  <span class="Delimiter">}</span>
<span id="L117" class="LineNr">117 </span>  <span class="Identifier">return</span> result<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L118" class="LineNr">118 </span><span class="Delimiter">}</span>
<span id="L119" class="LineNr">119 </span>
<span id="L120" class="LineNr">120 </span><span class="Comment">//: special case for the very first routine</span>
<span id="L121" class="LineNr">121 </span><span class="Delimiter">:(replace{} &quot;void run_main(int argc, char* argv[])&quot;)</span>
<span id="L122" class="LineNr">122 </span><span class="Normal">void</span> <a href='073scheduler.cc.html#L122'>run_main</a><span class="Delimiter">(</span><span class="Normal">int</span> argc<span class="Delimiter">,</span> <span class="Normal">char</span>* argv[]<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L123" class="LineNr">123 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> r = get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">);</span>
<span id="L124" class="LineNr">124 </span>  assert<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L125" class="LineNr">125 </span>  routine* main_routine = <span class="Normal">new</span> routine<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L126" class="LineNr">126 </span>  <span class="Comment">// pass in commandline args as ingredients to main</span>
<span id="L127" class="LineNr">127 </span>  <span class="Comment">// todo: test this</span>
<span id="L128" class="LineNr">128 </span>  <span class="Special">Current_routine</span> = main_routine<span class="Delimiter">;</span>
<span id="L129" class="LineNr">129 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; argc<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L130" class="LineNr">130 </span>    vector&lt;<span class="Normal">double</span>&gt; arg<span class="Delimiter">;</span>
<span id="L131" class="LineNr">131 </span>    arg<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='038new_text.cc.html#L39'>new_mu_text</a><span class="Delimiter">(</span>argv[i]<span class="Delimiter">));</span>
<span id="L132" class="LineNr">132 </span>    assert<span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> arg<span class="Delimiter">.</span>back<span class="Delimiter">())</span> == <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L133" class="LineNr">133 </span>    <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>arg<span class="Delimiter">);</span>
<span id="L134" class="LineNr">134 </span>  <span class="Delimiter">}</span>
<span id="L135" class="LineNr">135 </span>  run<span class="Delimiter">(</span>main_routine<span class="Delimiter">);</span>
<span id="L136" class="LineNr">136 </span><span class="Delimiter">}</span>
<span id="L137" class="LineNr">137 </span>
<span id="L138" class="LineNr">138 </span><span class="SalientComment">//:: To schedule new routines to run, call 'start-running'.</span>
<span id="L139" class="LineNr">139 </span>
<span id="L140" class="LineNr">140 </span><span class="Comment">//: 'start-running' will return a unique id for the routine that was created.</span>
<span id="L141" class="LineNr">141 </span><span class="Comment">//: routine id is a number, but don't do any arithmetic on it</span>
<span id="L142" class="LineNr">142 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
<span id="L143" class="LineNr">143 </span><span class="Normal">int</span> id<span class="Delimiter">;</span>
<span id="L144" class="LineNr">144 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L145" class="LineNr">145 </span><span class="Normal">int</span> <span class="Special">Next_routine_id</span> = <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L146" class="LineNr">146 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
<span id="L147" class="LineNr">147 </span><span class="Special">Next_routine_id</span> = <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L148" class="LineNr">148 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
<span id="L149" class="LineNr">149 </span>id = <span class="Special">Next_routine_id</span><span class="Delimiter">;</span>
<span id="L150" class="LineNr">150 </span><span class="traceContains">++Next_routine_id;</span>
<span id="L151" class="LineNr">151 </span>
<span id="L152" class="LineNr">152 </span><span class="Comment">//: routines save the routine that spawned them</span>
<span id="L153" class="LineNr">153 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
<span id="L154" class="LineNr">154 </span><span class="Comment">// todo: really should be routine_id, but that's less efficient.</span>
<span id="L155" class="LineNr">155 </span><span class="Normal">int</span> parent_index<span class="Delimiter">;</span>  <span class="Comment">// only &lt; 0 if there's no parent_index</span>
<span id="L156" class="LineNr">156 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
<span id="L157" class="LineNr">157 </span>parent_index = -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L158" class="LineNr">158 </span>
<span id="L159" class="LineNr">159 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L160" class="LineNr">160 </span>START_RUNNING<span class="Delimiter">,</span>
<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L162" class="LineNr">162 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;start-running&quot;</span><span class="Delimiter">,</span> START_RUNNING<span class="Delimiter">);</span>
<span id="L163" class="LineNr">163 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L164" class="LineNr">164 </span><span class="Normal">case</span> START_RUNNING: <span class="Delimiter">{</span>
<span id="L165" class="LineNr">165 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L166" class="LineNr">166 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'start-running' requires at least one ingredient: the <a href='010vm.cc.html#L19'>recipe</a> to start running\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L167" class="LineNr">167 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L168" class="LineNr">168 </span>  <span class="Delimiter">}</span>
<span id="L169" class="LineNr">169 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_recipe<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L170" class="LineNr">170 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'start-running' should be a <a href='010vm.cc.html#L19'>recipe</a>, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L171" class="LineNr">171 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L172" class="LineNr">172 </span>  <span class="Delimiter">}</span>
<span id="L173" class="LineNr">173 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span>
<span id="L175" class="LineNr">175 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L176" class="LineNr">176 </span><span class="Normal">case</span> START_RUNNING: <span class="Delimiter">{</span>
<span id="L177" class="LineNr">177 </span>  routine* new_routine = <span class="Normal">new</span> routine<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L178" class="LineNr">178 </span>  new_routine<span class="Delimiter">-&gt;</span>parent_index = <span class="Special">Current_routine_index</span><span class="Delimiter">;</span>
<span id="L179" class="LineNr">179 </span>  <span class="Comment">// populate ingredients</span>
<span id="L180" class="LineNr">180 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L181" class="LineNr">181 </span>    new_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L182" class="LineNr">182 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L183" class="LineNr">183 </span>    new_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
<span id="L184" class="LineNr">184 </span>    <span class="Comment">// End Populate start-running Ingredient</span>
<span id="L185" class="LineNr">185 </span>  <span class="Delimiter">}</span>
<span id="L186" class="LineNr">186 </span>  <span class="Special">Routines</span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>new_routine<span class="Delimiter">);</span>
<span id="L187" class="LineNr">187 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L188" class="LineNr">188 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>new_routine<span class="Delimiter">-&gt;</span>id<span class="Delimiter">);</span>
<span id="L189" class="LineNr">189 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L190" class="LineNr">190 </span><span class="Delimiter">}</span>
<span id="L191" class="LineNr">191 </span>
<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(scenario scheduler_runs_single_routine)</span>
<span id="L193" class="LineNr">193 </span><span class="Special">% Scheduling_interval = 1;</span>
<span id="L194" class="LineNr">194 </span><span class="muRecipe">def</span> f1 [
<span id="L195" class="LineNr">195 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L196" class="LineNr">196 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L197" class="LineNr">197 </span>]
<span id="L198" class="LineNr">198 </span><span class="traceContains">+schedule: f1</span>
<span id="L199" class="LineNr">199 </span><span class="traceContains">+run: {1: &quot;number&quot;} &lt;- copy {0: &quot;literal&quot;}</span>
<span id="L200" class="LineNr">200 </span><span class="traceContains">+schedule: f1</span>
<span id="L201" class="LineNr">201 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- copy {0: &quot;literal&quot;}</span>
<span id="L202" class="LineNr">202 </span>
<span id="L203" class="LineNr">203 </span><span class="Delimiter">:(scenario scheduler_interleaves_routines)</span>
<span id="L204" class="LineNr">204 </span><span class="Special">% Scheduling_interval = 1;</span>
<span id="L205" class="LineNr">205 </span><span class="muRecipe">def</span> f1 [
<span id="L206" class="LineNr">206 </span>  start-running f2
<span id="L207" class="LineNr">207 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L208" class="LineNr">208 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L209" class="LineNr">209 </span>]
<span id="L210" class="LineNr">210 </span><span class="muRecipe">def</span> f2 [
<span id="L211" class="LineNr">211 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L212" class="LineNr">212 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L213" class="LineNr">213 </span>]
<span id="L214" class="LineNr">214 </span><span class="traceContains">+schedule: f1</span>
<span id="L215" class="LineNr">215 </span><span class="traceContains">+run: start-running {f2: &quot;recipe-literal&quot;}</span>
<span id="L216" class="LineNr">216 </span><span class="traceContains">+schedule: f2</span>
<span id="L217" class="LineNr">217 </span><span class="traceContains">+run: {3: &quot;number&quot;} &lt;- copy {0: &quot;literal&quot;}</span>
<span id="L218" class="LineNr">218 </span><span class="traceContains">+schedule: f1</span>
<span id="L219" class="LineNr">219 </span><span class="traceContains">+run: {1: &quot;number&quot;} &lt;- copy {0: &quot;literal&quot;}</span>
<span id="L220" class="LineNr">220 </span><span class="traceContains">+schedule: f2</span>
<span id="L221" class="LineNr">221 </span><span class="traceContains">+run: {4: &quot;number&quot;} &lt;- copy {0: &quot;literal&quot;}</span>
<span id="L222" class="LineNr">222 </span><span class="traceContains">+schedule: f1</span>
<span id="L223" class="LineNr">223 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- copy {0: &quot;literal&quot;}</span>
<span id="L224" class="LineNr">224 </span>
<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(scenario start_running_takes_ingredients)</span>
<span id="L226" class="LineNr">226 </span><span class="muRecipe">def</span> f1 [
<span id="L227" class="LineNr">227 </span>  start-running f2<span class="Delimiter">,</span> <span class="Constant">3</span>
<span id="L228" class="LineNr">228 </span>  <span class="Comment"># wait for f2 to run</span>
<span id="L229" class="LineNr">229 </span>  <span class="Delimiter">{</span>
<span id="L230" class="LineNr">230 </span>    jump-unless <span class="Constant">1</span>:num<span class="Delimiter">,</span> -<span class="Constant">1</span>
<span id="L231" class="LineNr">231 </span>  <span class="Delimiter">}</span>
<span id="L232" class="LineNr">232 </span>]
<span id="L233" class="LineNr">233 </span><span class="muRecipe">def</span> f2 [
<span id="L234" class="LineNr">234 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>next-ingredient
<span id="L235" class="LineNr">235 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>add <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L236" class="LineNr">236 </span>]
<span id="L237" class="LineNr">237 </span><span class="traceContains">+mem: storing 4 in location 2</span>
<span id="L238" class="LineNr">238 </span>
<span id="L239" class="LineNr">239 </span><span class="Comment">//: type-checking for 'start-running'</span>
<span id="L240" class="LineNr">240 </span>
<span id="L241" class="LineNr">241 </span><span class="Delimiter">:(scenario start_running_checks_types)</span>
<span id="L242" class="LineNr">242 </span><span class="Special">% Hide_errors = true;</span>
<span id="L243" class="LineNr">243 </span><span class="muRecipe">def</span> f1 [
<span id="L244" class="LineNr">244 </span>  start-running f2<span class="Delimiter">,</span> <span class="Constant">3</span>
<span id="L245" class="LineNr">245 </span>]
<span id="L246" class="LineNr">246 </span><span class="muRecipe">def</span> f2 n:&amp;:num [
<span id="L247" class="LineNr">247 </span>]
<span id="L248" class="LineNr">248 </span><span class="traceContains">+error: f1: ingredient 0 has the wrong type at 'start-running f2, 3'</span>
<span id="L249" class="LineNr">249 </span>
<span id="L250" class="LineNr">250 </span><span class="Comment">// 'start-running' only uses the ingredients of the callee, not its products</span>
<span id="L251" class="LineNr">251 </span><span class="Delimiter">:(before &quot;End <a href='072recipe.cc.html#L257'>is_indirect_call_with_ingredients</a> Special-cases&quot;)</span>
<span id="L252" class="LineNr">252 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r == START_RUNNING<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L253" class="LineNr">253 </span>
<span id="L254" class="LineNr">254 </span><span class="Comment">//: back to testing 'start-running'</span>
<span id="L255" class="LineNr">255 </span>
<span id="L256" class="LineNr">256 </span><span class="Delimiter">:(scenario start_running_returns_routine_id)</span>
<span id="L257" class="LineNr">257 </span><span class="muRecipe">def</span> f1 [
<span id="L258" class="LineNr">258 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>start-running f2
<span id="L259" class="LineNr">259 </span>]
<span id="L260" class="LineNr">260 </span><span class="muRecipe">def</span> f2 [
<span id="L261" class="LineNr">261 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">44</span>
<span id="L262" class="LineNr">262 </span>]
<span id="L263" class="LineNr">263 </span><span class="traceContains">+mem: storing 2 in location 1</span>
<span id="L264" class="LineNr">264 </span>
<span id="L265" class="LineNr">265 </span><span class="Comment">//: this scenario will require some careful setup in escaped C++</span>
<span id="L266" class="LineNr">266 </span><span class="Comment">//: (straining our tangle capabilities to near-breaking point)</span>
<span id="L267" class="LineNr">267 </span><span class="Delimiter">:(scenario scheduler_skips_completed_routines)</span>
<span id="L268" class="LineNr">268 </span><span class="Special">% <a href='010vm.cc.html#L14'>recipe_ordinal</a> f1 = load(&quot;recipe f1 [\n1:num &lt;- copy 0\n]\n&quot;).front();</span>
<span id="L269" class="LineNr">269 </span><span class="Special">% <a href='010vm.cc.html#L14'>recipe_ordinal</a> f2 = load(&quot;recipe f2 [\n2:num &lt;- copy 0\n]\n&quot;).front();</span>
<span id="L270" class="LineNr">270 </span><span class="Special">% Routines.push_back(new routine(f1));  // f1 meant to run</span>
<span id="L271" class="LineNr">271 </span><span class="Special">% Routines.push_back(new routine(f2));</span>
<span id="L272" class="LineNr">272 </span><span class="Special">% Routines.back()-&gt;state = COMPLETED;  // f2 not meant to run</span>
<span id="L273" class="LineNr">273 </span><span class="Comment"># must have at least one routine without escaping</span>
<span id="L274" class="LineNr">274 </span><span class="muRecipe">def</span> f3 [
<span id="L275" class="LineNr">275 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L276" class="LineNr">276 </span>]
<span id="L277" class="LineNr">277 </span><span class="Comment"># by interleaving '+' lines with '-' lines, we allow f1 and f3 to run in any order</span>
<span id="L278" class="LineNr">278 </span><span class="traceContains">+schedule: f1</span>
<span id="L279" class="LineNr">279 </span><span class="traceContains">+mem: storing 0 in location 1</span>
<span id="L280" class="LineNr">280 </span><span class="traceAbsent">-schedule: f2</span>
<span id="L281" class="LineNr">281 </span><span class="traceAbsent">-mem: storing 0 in location 2</span>
<span id="L282" class="LineNr">282 </span><span class="traceContains">+schedule: f3</span>
<span id="L283" class="LineNr">283 </span><span class="traceContains">+mem: storing 0 in location 3</span>
<span id="L284" class="LineNr">284 </span>
<span id="L285" class="LineNr">285 </span><span class="Delimiter">:(scenario scheduler_starts_at_middle_of_routines)</span>
<span id="L286" class="LineNr">286 </span><span class="Special">% Routines.push_back(new routine(COPY));</span>
<span id="L287" class="LineNr">287 </span><span class="Special">% Routines.back()-&gt;state = COMPLETED;</span>
<span id="L288" class="LineNr">288 </span><span class="muRecipe">def</span> f1 [
<span id="L289" class="LineNr">289 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L290" class="LineNr">290 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L291" class="LineNr">291 </span>]
<span id="L292" class="LineNr">292 </span><span class="traceContains">+schedule: f1</span>
<span id="L293" class="LineNr">293 </span><span class="traceAbsent">-run: idle</span>
<span id="L294" class="LineNr">294 </span>
<span id="L295" class="LineNr">295 </span><span class="SalientComment">//:: Errors in a routine cause it to terminate.</span>
<span id="L296" class="LineNr">296 </span>
<span id="L297" class="LineNr">297 </span><span class="Delimiter">:(scenario scheduler_terminates_routines_after_errors)</span>
<span id="L298" class="LineNr">298 </span><span class="Special">% Hide_errors = true;</span>
<span id="L299" class="LineNr">299 </span><span class="Special">% Scheduling_interval = 2;</span>
<span id="L300" class="LineNr">300 </span><span class="muRecipe">def</span> f1 [
<span id="L301" class="LineNr">301 </span>  start-running f2
<span id="L302" class="LineNr">302 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L303" class="LineNr">303 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L304" class="LineNr">304 </span>]
<span id="L305" class="LineNr">305 </span><span class="muRecipe">def</span> f2 [
<span id="L306" class="LineNr">306 </span>  <span class="Comment"># divide by 0 twice</span>
<span id="L307" class="LineNr">307 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>divide-with-remainder <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L308" class="LineNr">308 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>divide-with-remainder <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L309" class="LineNr">309 </span>]
<span id="L310" class="LineNr">310 </span><span class="Comment"># f2 should stop after first divide by 0</span>
<span id="L311" class="LineNr">311 </span><span class="traceContains">+error: f2: divide by zero in '3:num &lt;- divide-with-remainder 4, 0'</span>
<span id="L312" class="LineNr">312 </span><span class="traceAbsent">-error: f2: divide by zero in '4:num &lt;- divide-with-remainder 4, 0'</span>
<span id="L313" class="LineNr">313 </span>
<span id="L314" class="LineNr">314 </span><span class="Delimiter">:(after &quot;operator&lt;&lt;(ostream&amp; os, <a href='003trace.cc.html#L225'>end</a> /*unused*/)&quot;)</span>
<span id="L315" class="LineNr">315 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Trace_stream</span> &amp;&amp; <span class="Special">Trace_stream</span><span class="Delimiter">-&gt;</span>curr_label == <span class="Constant">&quot;error&quot;</span> &amp;&amp; <span class="Special">Current_routine</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L316" class="LineNr">316 </span>    <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>state = <a href='073scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">;</span>
<span id="L317" class="LineNr">317 </span>  <span class="Delimiter">}</span>
<span id="L318" class="LineNr">318 </span>
<span id="L319" class="LineNr">319 </span><span class="SalientComment">//:: Routines are marked completed when their parent completes.</span>
<span id="L320" class="LineNr">320 </span>
<span id="L321" class="LineNr">321 </span><span class="Delimiter">:(scenario scheduler_kills_orphans)</span>
<span id="L322" class="LineNr">322 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L323" class="LineNr">323 </span>  start-running f1
<span id="L324" class="LineNr">324 </span>  <span class="Comment"># f1 never actually runs because its parent completes without waiting for it</span>
<span id="L325" class="LineNr">325 </span>]
<span id="L326" class="LineNr">326 </span><span class="muRecipe">def</span> f1 [
<span id="L327" class="LineNr">327 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L328" class="LineNr">328 </span>]
<span id="L329" class="LineNr">329 </span><span class="traceAbsent">-schedule: f1</span>
<span id="L330" class="LineNr">330 </span>
<span id="L331" class="LineNr">331 </span><span class="Delimiter">:(before &quot;End Scheduler Cleanup&quot;)</span>
<span id="L332" class="LineNr">332 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L333" class="LineNr">333 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == <a href='073scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L334" class="LineNr">334 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>parent_index &lt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// root thread</span>
<span id="L335" class="LineNr">335 </span>  <span class="Comment">// structured concurrency: <a href="http://250bpm.com/blog:71">http://250bpm.com/blog:71</a></span>
<span id="L336" class="LineNr">336 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>has_completed_parent<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L337" class="LineNr">337 </span>    <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state = <a href='073scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">;</span>
<span id="L338" class="LineNr">338 </span>  <span class="Delimiter">}</span>
<span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span>
<span id="L340" class="LineNr">340 </span>
<span id="L341" class="LineNr">341 </span><span class="Delimiter">:(code)</span>
<span id="L342" class="LineNr">342 </span><span class="Normal">bool</span> has_completed_parent<span class="Delimiter">(</span><span class="Normal">int</span> routine_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L343" class="LineNr">343 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = routine_index<span class="Delimiter">;</span>  j &gt;= <span class="Constant">0</span><span class="Delimiter">;</span>  j = <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)-&gt;</span>parent_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L344" class="LineNr">344 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)-&gt;</span>state == <a href='073scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">)</span>
<span id="L345" class="LineNr">345 </span>      <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L346" class="LineNr">346 </span>  <span class="Delimiter">}</span>
<span id="L347" class="LineNr">347 </span>  <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L348" class="LineNr">348 </span><span class="Delimiter">}</span>
<span id="L349" class="LineNr">349 </span>
<span id="L350" class="LineNr">350 </span><span class="SalientComment">//:: 'routine-state' can tell if a given routine id is running</span>
<span id="L351" class="LineNr">351 </span>
<span id="L352" class="LineNr">352 </span><span class="Delimiter">:(scenario routine_state_test)</span>
<span id="L353" class="LineNr">353 </span><span class="Special">% Scheduling_interval = 2;</span>
<span id="L354" class="LineNr">354 </span><span class="muRecipe">def</span> f1 [
<span id="L355" class="LineNr">355 </span>  <span class="Constant">1</span>:num/child-id<span class="Special"> &lt;- </span>start-running f2
<span id="L356" class="LineNr">356 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>  <span class="Comment"># race condition since we don't care about location 12</span>
<span id="L357" class="LineNr">357 </span>  <span class="Comment"># thanks to Scheduling_interval, f2's one instruction runs in between here and completes</span>
<span id="L358" class="LineNr">358 </span>  <span class="Constant">2</span>:num/state<span class="Special"> &lt;- </span>routine-state <span class="Constant">1</span>:num/child-id
<span id="L359" class="LineNr">359 </span>]
<span id="L360" class="LineNr">360 </span><span class="muRecipe">def</span> f2 [
<span id="L361" class="LineNr">361 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L362" class="LineNr">362 </span>  <span class="Comment"># trying to run a second instruction marks routine as completed</span>
<span id="L363" class="LineNr">363 </span>]
<span id="L364" class="LineNr">364 </span><span class="Comment"># recipe f2 should be in state COMPLETED</span>
<span id="L365" class="LineNr">365 </span><span class="traceContains">+mem: storing 1 in location 2</span>
<span id="L366" class="LineNr">366 </span>
<span id="L367" class="LineNr">367 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L368" class="LineNr">368 </span>ROUTINE_STATE<span class="Delimiter">,</span>
<span id="L369" class="LineNr">369 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L370" class="LineNr">370 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;routine-state&quot;</span><span class="Delimiter">,</span> ROUTINE_STATE<span class="Delimiter">);</span>
<span id="L371" class="LineNr">371 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L372" class="LineNr">372 </span><span class="Normal">case</span> ROUTINE_STATE: <span class="Delimiter">{</span>
<span id="L373" class="LineNr">373 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L374" class="LineNr">374 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'routine-state' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L375" class="LineNr">375 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L376" class="LineNr">376 </span>  <span class="Delimiter">}</span>
<span id="L377" class="LineNr">377 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L378" class="LineNr">378 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'routine-state' should be a routine id generated by 'start-running', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L379" class="LineNr">379 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L380" class="LineNr">380 </span>  <span class="Delimiter">}</span>
<span id="L381" class="LineNr">381 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L382" class="LineNr">382 </span><span class="Delimiter">}</span>
<span id="L383" class="LineNr">383 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L384" class="LineNr">384 </span><span class="Normal">case</span> ROUTINE_STATE: <span class="Delimiter">{</span>
<span id="L385" class="LineNr">385 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L386" class="LineNr">386 </span>  <span class="Normal">int</span> result = -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L387" class="LineNr">387 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L388" class="LineNr">388 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L389" class="LineNr">389 </span>      result = <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state<span class="Delimiter">;</span>
<span id="L390" class="LineNr">390 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L391" class="LineNr">391 </span>    <span class="Delimiter">}</span>
<span id="L392" class="LineNr">392 </span>  <span class="Delimiter">}</span>
<span id="L393" class="LineNr">393 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L394" class="LineNr">394 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span id="L395" class="LineNr">395 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L396" class="LineNr">396 </span><span class="Delimiter">}</span>
<span id="L397" class="LineNr">397 </span>
<span id="L398" class="LineNr">398 </span><span class="SalientComment">//:: miscellaneous helpers</span>
<span id="L399" class="LineNr">399 </span>
<span id="L400" class="LineNr">400 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L401" class="LineNr">401 </span>STOP<span class="Delimiter">,</span>
<span id="L402" class="LineNr">402 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L403" class="LineNr">403 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;stop&quot;</span><span class="Delimiter">,</span> STOP<span class="Delimiter">);</span>
<span id="L404" class="LineNr">404 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L405" class="LineNr">405 </span><span class="Normal">case</span> STOP: <span class="Delimiter">{</span>
<span id="L406" class="LineNr">406 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L407" class="LineNr">407 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'stop' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L408" class="LineNr">408 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L409" class="LineNr">409 </span>  <span class="Delimiter">}</span>
<span id="L410" class="LineNr">410 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L411" class="LineNr">411 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'stop' should be a routine id generated by 'start-running', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L412" class="LineNr">412 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L413" class="LineNr">413 </span>  <span class="Delimiter">}</span>
<span id="L414" class="LineNr">414 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L415" class="LineNr">415 </span><span class="Delimiter">}</span>
<span id="L416" class="LineNr">416 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L417" class="LineNr">417 </span><span class="Normal">case</span> STOP: <span class="Delimiter">{</span>
<span id="L418" class="LineNr">418 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L419" class="LineNr">419 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L420" class="LineNr">420 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L421" class="LineNr">421 </span>      <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state = <a href='073scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">;</span>
<span id="L422" class="LineNr">422 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L423" class="LineNr">423 </span>    <span class="Delimiter">}</span>
<span id="L424" class="LineNr">424 </span>  <span class="Delimiter">}</span>
<span id="L425" class="LineNr">425 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L426" class="LineNr">426 </span><span class="Delimiter">}</span>
<span id="L427" class="LineNr">427 </span>
<span id="L428" class="LineNr">428 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L429" class="LineNr">429 </span>_DUMP_ROUTINES<span class="Delimiter">,</span>
<span id="L430" class="LineNr">430 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L431" class="LineNr">431 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$dump-routines&quot;</span><span class="Delimiter">,</span> _DUMP_ROUTINES<span class="Delimiter">);</span>
<span id="L432" class="LineNr">432 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L433" class="LineNr">433 </span><span class="Normal">case</span> _DUMP_ROUTINES: <span class="Delimiter">{</span>
<span id="L434" class="LineNr">434 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L435" class="LineNr">435 </span><span class="Delimiter">}</span>
<span id="L436" class="LineNr">436 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L437" class="LineNr">437 </span><span class="Normal">case</span> _DUMP_ROUTINES: <span class="Delimiter">{</span>
<span id="L438" class="LineNr">438 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L439" class="LineNr">439 </span>    cerr &lt;&lt; i &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>parent_index &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L440" class="LineNr">440 </span>  <span class="Delimiter">}</span>
<span id="L441" class="LineNr">441 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L442" class="LineNr">442 </span><span class="Delimiter">}</span>
<span id="L443" class="LineNr">443 </span>
<span id="L444" class="LineNr">444 </span><span class="Comment">//: support for stopping routines after some number of cycles</span>
<span id="L445" class="LineNr">445 </span>
<span id="L446" class="LineNr">446 </span><span class="Delimiter">:(scenario routine_discontinues_past_limit)</span>
<span id="L447" class="LineNr">447 </span><span class="Special">% Scheduling_interval = 2;</span>
<span id="L448" class="LineNr">448 </span><span class="muRecipe">def</span> f1 [
<span id="L449" class="LineNr">449 </span>  <span class="Constant">1</span>:num/child-id<span class="Special"> &lt;- </span>start-running f2
<span id="L450" class="LineNr">450 </span>  limit-time <span class="Constant">1</span>:num/child-id<span class="Delimiter">,</span> <span class="Constant">10</span>
<span id="L451" class="LineNr">451 </span>  <span class="Comment"># padding loop just to make sure f2 has time to completed</span>
<span id="L452" class="LineNr">452 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">20</span>
<span id="L453" class="LineNr">453 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>subtract <span class="Constant">2</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L454" class="LineNr">454 </span>  jump-<span class="Normal">if</span> <span class="Constant">2</span>:num<span class="Delimiter">,</span> <span class="Constant">-2:offset</span>
<span id="L455" class="LineNr">455 </span>]
<span id="L456" class="LineNr">456 </span><span class="muRecipe">def</span> f2 [
<span id="L457" class="LineNr">457 </span>  jump <span class="Constant">-1:offset</span>  <span class="Comment"># run forever</span>
<span id="L458" class="LineNr">458 </span>  $print [should never get here]<span class="Delimiter">,</span> <span class="Constant">10</span>/newline
<span id="L459" class="LineNr">459 </span>]
<span id="L460" class="LineNr">460 </span><span class="Comment"># f2 terminates</span>
<span id="L461" class="LineNr">461 </span><span class="traceContains">+schedule: discontinuing routine 2</span>
<span id="L462" class="LineNr">462 </span>
<span id="L463" class="LineNr">463 </span><span class="Delimiter">:(before &quot;End routine States&quot;)</span>
<span id="L464" class="LineNr">464 </span>DISCONTINUED<span class="Delimiter">,</span>
<span id="L465" class="LineNr">465 </span><span class="Delimiter">:(before &quot;End Scheduler State Transitions&quot;)</span>
<span id="L466" class="LineNr">466 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>limit &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L467" class="LineNr">467 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>limit &lt;= <span class="Special">Scheduling_interval</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L468" class="LineNr">468 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;schedule&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;discontinuing routine &quot;</span> &lt;&lt; <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>id &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L469" class="LineNr">469 </span>    <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>state = DISCONTINUED<span class="Delimiter">;</span>
<span id="L470" class="LineNr">470 </span>    <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>limit = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L471" class="LineNr">471 </span>  <span class="Delimiter">}</span>
<span id="L472" class="LineNr">472 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L473" class="LineNr">473 </span>    <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>limit -= <span class="Special">Scheduling_interval</span><span class="Delimiter">;</span>
<span id="L474" class="LineNr">474 </span>  <span class="Delimiter">}</span>
<span id="L475" class="LineNr">475 </span><span class="Delimiter">}</span>
<span id="L476" class="LineNr">476 </span>
<span id="L477" class="LineNr">477 </span><span class="Delimiter">:(before &quot;End Test Teardown&quot;)</span>
<span id="L478" class="LineNr">478 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Passed</span> &amp;&amp; any_routines_with_error<span class="Delimiter">())</span>
<span id="L479" class="LineNr">479 </span>  <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;some routines died with errors\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L480" class="LineNr">480 </span><span class="Delimiter">:(before &quot;End Mu Test Teardown&quot;)</span>
<span id="L481" class="LineNr">481 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Passed</span> &amp;&amp; any_routines_with_error<span class="Delimiter">())</span>
<span id="L482" class="LineNr">482 </span>  <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Special">Current_scenario</span><span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: some routines died with errors\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L483" class="LineNr">483 </span>
<span id="L484" class="LineNr">484 </span><span class="Delimiter">:(code)</span>
<span id="L485" class="LineNr">485 </span><span class="Normal">bool</span> any_routines_with_error<span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L486" class="LineNr">486 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L487" class="LineNr">487 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == DISCONTINUED<span class="Delimiter">)</span>
<span id="L488" class="LineNr">488 </span>      <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L489" class="LineNr">489 </span>  <span class="Delimiter">}</span>
<span id="L490" class="LineNr">490 </span>  <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L491" class="LineNr">491 </span><span class="Delimiter">}</span>
<span id="L492" class="LineNr">492 </span>
<span id="L493" class="LineNr">493 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
<span id="L494" class="LineNr">494 </span><span class="Normal">int</span> limit<span class="Delimiter">;</span>
<span id="L495" class="LineNr">495 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
<span id="L496" class="LineNr">496 </span>limit = -<span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">/*</span><span class="Comment"> no limit </span><span class="Comment">*/</span>
<span id="L497" class="LineNr">497 </span>
<span id="L498" class="LineNr">498 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L499" class="LineNr">499 </span>LIMIT_TIME<span class="Delimiter">,</span>
<span id="L500" class="LineNr">500 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L501" class="LineNr">501 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;limit-time&quot;</span><span class="Delimiter">,</span> LIMIT_TIME<span class="Delimiter">);</span>
<span id="L502" class="LineNr">502 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L503" class="LineNr">503 </span><span class="Normal">case</span> LIMIT_TIME: <span class="Delimiter">{</span>
<span id="L504" class="LineNr">504 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L505" class="LineNr">505 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'limit-time' requires exactly two ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L506" class="LineNr">506 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L507" class="LineNr">507 </span>  <span class="Delimiter">}</span>
<span id="L508" class="LineNr">508 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L509" class="LineNr">509 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'limit-time' should be a routine id generated by 'start-running', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L510" class="LineNr">510 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L511" class="LineNr">511 </span>  <span class="Delimiter">}</span>
<span id="L512" class="LineNr">512 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L513" class="LineNr">513 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'limit-time' should be a number (of instructions to run for), but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L514" class="LineNr">514 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L515" class="LineNr">515 </span>  <span class="Delimiter">}</span>
<span id="L516" class="LineNr">516 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L517" class="LineNr">517 </span><span class="Delimiter">}</span>
<span id="L518" class="LineNr">518 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L519" class="LineNr">519 </span><span class="Normal">case</span> LIMIT_TIME: <span class="Delimiter">{</span>
<span id="L520" class="LineNr">520 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L521" class="LineNr">521 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L522" class="LineNr">522 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L523" class="LineNr">523 </span>      <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>limit = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L524" class="LineNr">524 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L525" class="LineNr">525 </span>    <span class="Delimiter">}</span>
<span id="L526" class="LineNr">526 </span>  <span class="Delimiter">}</span>
<span id="L527" class="LineNr">527 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L528" class="LineNr">528 </span><span class="Delimiter">}</span>
<span id="L529" class="LineNr">529 </span>
<span id="L530" class="LineNr">530 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
<span id="L531" class="LineNr">531 </span><span class="Normal">int</span> instructions_run<span class="Delimiter">;</span>
<span id="L532" class="LineNr">532 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
<span id="L533" class="LineNr">533 </span>instructions_run = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L534" class="LineNr">534 </span><span class="Delimiter">:(before &quot;Reset instructions_run_this_scheduling_slice&quot;)</span>
<span id="L535" class="LineNr">535 </span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>instructions_run += <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>instructions_run_this_scheduling_slice<span class="Delimiter">;</span>
<span id="L536" class="LineNr">536 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L537" class="LineNr">537 </span>NUMBER_OF_INSTRUCTIONS<span class="Delimiter">,</span>
<span id="L538" class="LineNr">538 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L539" class="LineNr">539 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;number-of-instructions&quot;</span><span class="Delimiter">,</span> NUMBER_OF_INSTRUCTIONS<span class="Delimiter">);</span>
<span id="L540" class="LineNr">540 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L541" class="LineNr">541 </span><span class="Normal">case</span> NUMBER_OF_INSTRUCTIONS: <span class="Delimiter">{</span>
<span id="L542" class="LineNr">542 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L543" class="LineNr">543 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'number-of-instructions' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L544" class="LineNr">544 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L545" class="LineNr">545 </span>  <span class="Delimiter">}</span>
<span id="L546" class="LineNr">546 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L547" class="LineNr">547 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'number-of-instructions' should be a routine id generated by 'start-running', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L548" class="LineNr">548 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L549" class="LineNr">549 </span>  <span class="Delimiter">}</span>
<span id="L550" class="LineNr">550 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L551" class="LineNr">551 </span><span class="Delimiter">}</span>
<span id="L552" class="LineNr">552 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L553" class="LineNr">553 </span><span class="Normal">case</span> NUMBER_OF_INSTRUCTIONS: <span class="Delimiter">{</span>
<span id="L554" class="LineNr">554 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L555" class="LineNr">555 </span>  <span class="Normal">int</span> result = -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L556" class="LineNr">556 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L557" class="LineNr">557 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L558" class="LineNr">558 </span>      result = <span class="Special">Routines</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>instructions_run<span class="Delimiter">;</span>
<span id="L559" class="LineNr">559 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L560" class="LineNr">560 </span>    <span class="Delimiter">}</span>
<span id="L561" class="LineNr">561 </span>  <span class="Delimiter">}</span>
<span id="L562" class="LineNr">562 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L563" class="LineNr">563 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span id="L564" class="LineNr">564 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L565" class="LineNr">565 </span><span class="Delimiter">}</span>
<span id="L566" class="LineNr">566 </span>
<span id="L567" class="LineNr">567 </span><span class="Delimiter">:(scenario number_of_instructions)</span>
<span id="L568" class="LineNr">568 </span><span class="muRecipe">def</span> f1 [
<span id="L569" class="LineNr">569 </span>  <span class="Constant">10</span>:num/child-id<span class="Special"> &lt;- </span>start-running f2
<span id="L570" class="LineNr">570 </span>  <span class="Delimiter">{</span>
<span id="L571" class="LineNr">571 </span>    loop-unless <span class="Constant">20</span>:num
<span id="L572" class="LineNr">572 </span>  <span class="Delimiter">}</span>
<span id="L573" class="LineNr">573 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>number-of-instructions <span class="Constant">10</span>:num
<span id="L574" class="LineNr">574 </span>]
<span id="L575" class="LineNr">575 </span><span class="muRecipe">def</span> f2 [
<span id="L576" class="LineNr">576 </span>  <span class="Comment"># 2 instructions worth of work</span>
<span id="L577" class="LineNr">577 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L578" class="LineNr">578 </span>  <span class="Constant">20</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L579" class="LineNr">579 </span>]
<span id="L580" class="LineNr">580 </span><span class="Comment"># f2 runs an extra instruction for the implicit return added by the</span>
<span id="L581" class="LineNr">581 </span><span class="Comment"># fill_in_return_ingredients transform</span>
<span id="L582" class="LineNr">582 </span><span class="traceContains">+mem: storing 3 in location 11</span>
<span id="L583" class="LineNr">583 </span>
<span id="L584" class="LineNr">584 </span><span class="Delimiter">:(scenario number_of_instructions_across_multiple_scheduling_intervals)</span>
<span id="L585" class="LineNr">585 </span><span class="Special">% Scheduling_interval = 1;</span>
<span id="L586" class="LineNr">586 </span><span class="muRecipe">def</span> f1 [
<span id="L587" class="LineNr">587 </span>  <span class="Constant">10</span>:num/child-id<span class="Special"> &lt;- </span>start-running f2
<span id="L588" class="LineNr">588 </span>  <span class="Delimiter">{</span>
<span id="L589" class="LineNr">589 </span>    loop-unless <span class="Constant">20</span>:num
<span id="L590" class="LineNr">590 </span>  <span class="Delimiter">}</span>
<span id="L591" class="LineNr">591 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>number-of-instructions <span class="Constant">10</span>:num
<span id="L592" class="LineNr">592 </span>]
<span id="L593" class="LineNr">593 </span><span class="muRecipe">def</span> f2 [
<span id="L594" class="LineNr">594 </span>  <span class="Comment"># 4 instructions worth of work</span>
<span id="L595" class="LineNr">595 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L596" class="LineNr">596 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L597" class="LineNr">597 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">3</span>
<span id="L598" class="LineNr">598 </span>  <span class="Constant">20</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L599" class="LineNr">599 </span>]
<span id="L600" class="LineNr">600 </span><span class="Comment"># f2 runs an extra instruction for the implicit return added by the</span>
<span id="L601" class="LineNr">601 </span><span class="Comment"># fill_in_return_ingredients transform</span>
<span id="L602" class="LineNr">602 </span><span class="traceContains">+mem: storing 5 in location 11</span>
<span id="L603" class="LineNr">603 </span>
<span id="L604" class="LineNr">604 </span><span class="SalientComment">//:: make sure that each routine gets a different alloc to start</span>
<span id="L605" class="LineNr">605 </span>
<span id="L606" class="LineNr">606 </span><span class="Delimiter">:(scenario new_concurrent)</span>
<span id="L607" class="LineNr">607 </span><span class="muRecipe">def</span> f1 [
<span id="L608" class="LineNr">608 </span>  start-running f2
<span id="L609" class="LineNr">609 </span>  <span class="Constant">1</span>:&amp;:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
<span id="L610" class="LineNr">610 </span>  <span class="Comment"># wait for f2 to complete</span>
<span id="L611" class="LineNr">611 </span>  <span class="Delimiter">{</span>
<span id="L612" class="LineNr">612 </span>    loop-unless <span class="Constant">4</span>:num/<span class="Special">raw</span>
<span id="L613" class="LineNr">613 </span>  <span class="Delimiter">}</span>
<span id="L614" class="LineNr">614 </span>]
<span id="L615" class="LineNr">615 </span><span class="muRecipe">def</span> f2 [
<span id="L616" class="LineNr">616 </span>  <span class="Constant">2</span>:&amp;:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
<span id="L617" class="LineNr">617 </span>  <span class="Comment"># hack: assumes scheduler implementation</span>
<span id="L618" class="LineNr">618 </span>  <span class="Constant">3</span>:<span class="Normal">bool</span>/<span class="Special">raw &lt;- </span>equal <span class="Constant">1</span>:&amp;:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">2</span>:&amp;:num/<span class="Special">raw</span>
<span id="L619" class="LineNr">619 </span>  <span class="Comment"># signal f2 complete</span>
<span id="L620" class="LineNr">620 </span>  <span class="Constant">4</span>:num/<span class="Special">raw &lt;- </span>copy <span class="Constant">1</span>
<span id="L621" class="LineNr">621 </span>]
<span id="L622" class="LineNr">622 </span><span class="traceContains">+mem: storing 0 in location 3</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->