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[hybrid performance] all reduce fusion for sharding #34480

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merged 1 commit into from
Jul 30, 2021
Merged

[hybrid performance] all reduce fusion for sharding #34480

merged 1 commit into from
Jul 30, 2021

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FeixLiu
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@FeixLiu FeixLiu commented Jul 29, 2021 •
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PR types

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Describe

allreduce fuse supports for sharding_optimizer

Throughput test

Using GPT model, 8 * V100, fuse_grad_in_size=32MB

dp=4 sharding=2

No Fuse Fused Gain
throughput 135503 tokens/s 138892 tokens/s +2.7%
allreduce number 57 15 -73%

Loss curve

dp_hybrid_sharding
Screen Shot 2021-07-29 at 5 39 13 PM

dp_pp_hybrid_sharding
Screen Shot 2021-07-29 at 8 36 11 PM

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Thanks for your contribution!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

wangxicoding
wangxicoding approved these changes Jul 30, 2021
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LGTM

@wangxicoding wangxicoding merged commit 423ea97 into PaddlePaddle:develop Jul 30, 2021
@FeixLiu FeixLiu deleted the allreduce_fuse_sharding branch July 30, 2021 02:06
@FeixLiu FeixLiu changed the title all reduce fusion for shardinug [hybrid performance] all reduce fusion for shardinug Oct 11, 2021
@FeixLiu FeixLiu changed the title [hybrid performance] all reduce fusion for shardinug [hybrid performance] all reduce fusion for sharding Oct 11, 2021
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@wangxicoding wangxicoding wangxicoding approved these changes

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@FeixLiu @wangxicoding