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add prelu neon impl #6177

Merged
merged 2 commits into from
Dec 12, 2017
Merged

add prelu neon impl #6177

merged 2 commits into from
Dec 12, 2017

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NHZlX
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@NHZlX NHZlX commented Dec 1, 2017

fix #6063

@NHZlX NHZlX requested review from hedaoyuan and Xreki December 1, 2017 12:43
hedaoyuan
hedaoyuan reviewed Dec 6, 2017
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针对enet这个模型中的相应Layer能够加速多少？

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NHZlX commented Dec 6, 2017 •
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@hedaoyuan enent 大约80%的层都使用prelu 作为激活函数。

clang compile armv7 on mi 5

type speed(average time of 100 times enet forward )
with prelu neon 41.671 ms.
normal 47.6933 ms

对enet 加速大约12%

@NHZlX NHZlX merged commit a91efdd into PaddlePaddle:develop Dec 12, 2017
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@hedaoyuan hedaoyuan hedaoyuan approved these changes

@Xreki Xreki Awaiting requested review from Xreki

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Should add a neon::prelu activation function
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@NHZlX @hedaoyuan