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Diffstat (limited to 'test/bm_human_readable.py')
| -rw-r--r-- | test/bm_human_readable.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/test/bm_human_readable.py b/test/bm_human_readable.py new file mode 100644 index 00000000..83f2a057 --- /dev/null +++ b/test/bm_human_readable.py @@ -0,0 +1,45 @@ +# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +from ranger.ext.human_readable import * + +# The version before 2010/06/24: +import math +UNITS = 'BKMGTP' +MAX_EXPONENT = len(UNITS) - 1 +def human_readable_old(byte, seperator=' '): + if not byte: + return '0' + + exponent = int(math.log(byte, 2) / 10) + flt = round(float(byte) / (1 << (10 * exponent)), 2) + + if exponent > MAX_EXPONENT: + return '>9000' # off scale + + if int(flt) == flt: + return '%.0f%s%s' % (flt, seperator, UNITS[exponent]) + + else: + return '%.2f%s%s' % (flt, seperator, UNITS[exponent]) + +class benchmark_human_readable(object): + def bm_current(self, n): + for i in range(n): + human_readable((128 * i) % 2**50) + + def bm_old(self, n): + for i in range(n): + human_readable_old((128 * i) % 2**50) |