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Diffstat (limited to 'tools/profiling/microbenchmarks/speedup.py')
-rw-r--r-- | tools/profiling/microbenchmarks/speedup.py | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/tools/profiling/microbenchmarks/speedup.py b/tools/profiling/microbenchmarks/speedup.py deleted file mode 100644 index 8af0066c9d..0000000000 --- a/tools/profiling/microbenchmarks/speedup.py +++ /dev/null @@ -1,67 +0,0 @@ -# Copyright 2017, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following disclaimer -# in the documentation and/or other materials provided with the -# distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -from scipy import stats -import math - -_THRESHOLD = 1e-10 - -def scale(a, mul): - return [x*mul for x in a] - -def cmp(a, b): - return stats.ttest_ind(a, b) - -def speedup(new, old): - s0, p0 = cmp(new, old) - if math.isnan(p0): return 0 - if s0 == 0: return 0 - if p0 > _THRESHOLD: return 0 - if s0 < 0: - pct = 1 - while pct < 101: - sp, pp = cmp(new, scale(old, 1 - pct/100.0)) - if sp > 0: break - if pp > _THRESHOLD: break - pct += 1 - return -(pct - 1) - else: - pct = 1 - while pct < 100000: - sp, pp = cmp(new, scale(old, 1 + pct/100.0)) - if sp < 0: break - if pp > _THRESHOLD: break - pct += 1 - return pct - 1 - -if __name__ == "__main__": - new=[66034560.0, 126765693.0, 99074674.0, 98588433.0, 96731372.0, 110179725.0, 103802110.0, 101139800.0, 102357205.0, 99016353.0, 98840824.0, 99585632.0, 98791720.0, 96171521.0, 95327098.0, 95629704.0, 98209772.0, 99779411.0, 100182488.0, 98354192.0, 99644781.0, 98546709.0, 99019176.0, 99543014.0, 99077269.0, 98046601.0, 99319039.0, 98542572.0, 98886614.0, 72560968.0] - old=[60423464.0, 71249570.0, 73213089.0, 73200055.0, 72911768.0, 72347798.0, 72494672.0, 72756976.0, 72116565.0, 71541342.0, 73442538.0, 74817383.0, 73007780.0, 72499062.0, 72404945.0, 71843504.0, 73245405.0, 72778304.0, 74004519.0, 73694464.0, 72919931.0, 72955481.0, 71583857.0, 71350467.0, 71836817.0, 70064115.0, 70355345.0, 72516202.0, 71716777.0, 71532266.0] - print speedup(new, old) - print speedup(old, new) |