mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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52 lines
2.0 KiB
52 lines
2.0 KiB
# Copyright 2017 gRPC authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from scipy import stats |
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import math |
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_THRESHOLD = 1e-10 |
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def scale(a, mul): |
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return [x*mul for x in a] |
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def cmp(a, b): |
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return stats.ttest_ind(a, b) |
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def speedup(new, old): |
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s0, p0 = cmp(new, old) |
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if math.isnan(p0): return 0 |
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if s0 == 0: return 0 |
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if p0 > _THRESHOLD: return 0 |
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if s0 < 0: |
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pct = 1 |
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while pct < 101: |
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sp, pp = cmp(new, scale(old, 1 - pct/100.0)) |
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if sp > 0: break |
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if pp > _THRESHOLD: break |
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pct += 1 |
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return -(pct - 1) |
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else: |
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pct = 1 |
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while pct < 100000: |
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sp, pp = cmp(new, scale(old, 1 + pct/100.0)) |
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if sp < 0: break |
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if pp > _THRESHOLD: break |
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pct += 1 |
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return pct - 1 |
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if __name__ == "__main__": |
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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] |
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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] |
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print speedup(new, old) |
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print speedup(old, new)
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