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Tensor-parallel communication overlap with userbuffer backend #6780

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merged 3 commits into from
Jun 1, 2023

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erhoo82
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@erhoo82 erhoo82 commented Jun 1, 2023

What does this PR do ?

Add (1) interfaces to TE and initialized (2) process group setting to support tensor-parallel communication overlap with userbuffer backend.

Changelog

  • Add specific line by line info of high level changes in this PR.

Usage

Set ub_tp_comm_overlap to True

# Add a code snippet demonstrating how to use this 

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  • [*] New Feature
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erhoo82 and others added 2 commits May 31, 2023 21:59
[pre-commit.ci] auto fixes from pre-commit.com hooks

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Interface to provide custom userbuffer communicator settings by yaml file

[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
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The only difference from #6362 is a change to how we initialize the MPI process group that is compatible with the Megatron-core refactor.

@aklife97 aklife97 merged commit e4460d1 into r1.19.0 Jun 1, 2023
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@aklife97 aklife97 deleted the slym/tp_overlap_r1.19 branch June 1, 2023 20:29
github-actions bot pushed a commit that referenced this pull request Jun 1, 2023
* add interfaces for tp_communication overlap

[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Interface to provide custom userbuffer communicator settings by yaml file

[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Construct MPI process group for userbuffers support

Signed-off-by: Tim Moon <[email protected]>

---------

Signed-off-by: Tim Moon <[email protected]>
Co-authored-by: Tim Moon <[email protected]>
Co-authored-by: Abhinav Khattar <[email protected]>
ericharper added a commit that referenced this pull request Jun 28, 2023
* Tensor-parallel communication overlap with userbuffer backend (#6780)

* add interfaces for tp_communication overlap

[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Interface to provide custom userbuffer communicator settings by yaml file

[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Construct MPI process group for userbuffers support

Signed-off-by: Tim Moon <[email protected]>

---------

Signed-off-by: Tim Moon <[email protected]>
Co-authored-by: Tim Moon <[email protected]>
Co-authored-by: Abhinav Khattar <[email protected]>

* codeql change

Signed-off-by: Abhinav Khattar <[email protected]>

---------

Signed-off-by: Tim Moon <[email protected]>
Signed-off-by: ericharper <[email protected]>
Signed-off-by: Abhinav Khattar <[email protected]>
Co-authored-by: Sangkug Lym <[email protected]>
Co-authored-by: Tim Moon <[email protected]>
Co-authored-by: Abhinav Khattar <[email protected]>
Co-authored-by: ericharper <[email protected]>
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3 participants