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[Misc] Add pynccl wrappers for all_gather and reduce_scatter #9432

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merged 1 commit into from
Nov 23, 2024

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tlrmchlsmth
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@tlrmchlsmth tlrmchlsmth commented Oct 16, 2024

Add pynccl wrappers for all_gather and reduce_scatter so we can use them in CUDA graphs.

In particular, Molmo and the new version of OLMo currently use all_gather, so these could be beneficial there.

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@tlrmchlsmth tlrmchlsmth marked this pull request as draft October 17, 2024 00:22
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@youkaichao youkaichao left a comment

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Looks great!

Signed-off-by: Tyler Michael Smith <[email protected]>
@tlrmchlsmth tlrmchlsmth force-pushed the tms/pynccl_allgather_wrapper branch from 9c77424 to 26e61d5 Compare November 23, 2024 01:16
@tlrmchlsmth tlrmchlsmth added ready ONLY add when PR is ready to merge/full CI is needed and removed documentation Improvements or additions to documentation frontend ci/build labels Nov 23, 2024
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Sorry for the carnage -- ran into some issues trying to fix the DCO

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@mgoin mgoin left a comment

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LGTM

@mgoin mgoin merged commit 978b397 into vllm-project:main Nov 23, 2024
63 of 65 checks passed
mfournioux pushed a commit to mfournioux/vllm that referenced this pull request Nov 28, 2024
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3 participants