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[Hardware] Initial TPU integration #5292

Merged
merged 193 commits into from
Jun 12, 2024
Merged

[Hardware] Initial TPU integration #5292

merged 193 commits into from
Jun 12, 2024

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WoosukKwon
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@WoosukKwon WoosukKwon commented Jun 5, 2024 •
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This PR implements the initial integration of the Google TPU backend. It uses PyTorch XLA for maximal reuse of the existing code base.

The PR features:

  • Seamless support for popular HF models such as Llama, Mistral, Gemma, etc. The model's head size must be either 128 or 256.
  • Basic functionalities of vLLM, including continuous batching
  • Optimized pallas kernels for FlashAttention and PagedAttention

TODOs (next steps):

  • (Fast) top-p sampling (disabled for now due to performance issues)
  • Distributed (tensor-parallel) inference
  • INT8 quantization
  • MoE
  • Support best_of > 1

WoosukKwon added 30 commits April 1, 2024 02:01
@WoosukKwon
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@alanwaketan Please take a look!

@WoosukKwon WoosukKwon changed the title [WIP][Hardware] Initial TPU integration [Hardware] Initial TPU integration Jun 11, 2024
@WoosukKwon WoosukKwon marked this pull request as ready for review June 11, 2024 17:47
@WoosukKwon WoosukKwon requested a review from JackCaoG June 11, 2024 17:57
JackCaoG
JackCaoG approved these changes Jun 11, 2024
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LGTM, thanks!

rkooo567
rkooo567 approved these changes Jun 12, 2024
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Mostly asking for comments for clarifying some code!

For testing, are we planning to add relevant CI in the future?

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@rkooo567 Thanks for the quality review!

@WoosukKwon WoosukKwon merged commit 1a8bfd9 into main Jun 12, 2024
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@WoosukKwon WoosukKwon deleted the torch-xla branch June 12, 2024 18:53
@WoosukKwon WoosukKwon mentioned this pull request Jun 14, 2024
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robertgshaw2-redhat pushed a commit to neuralmagic/nm-vllm that referenced this pull request Jun 16, 2024
@WoosukKwon @robertgshaw2-redhat
[Hardware] Initial TPU integration (vllm-project#5292)
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joerunde pushed a commit to joerunde/vllm that referenced this pull request Jun 17, 2024
@WoosukKwon @joerunde
[Hardware] Initial TPU integration (vllm-project#5292)
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xjpang pushed a commit to xjpang/vllm that referenced this pull request Jun 27, 2024
@WoosukKwon
[Hardware] Initial TPU integration (vllm-project#5292)
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xjpang pushed a commit to xjpang/vllm that referenced this pull request Jul 8, 2024
@WoosukKwon
[Hardware] Initial TPU integration (vllm-project#5292)
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xjpang pushed a commit to xjpang/vllm that referenced this pull request Jul 24, 2024
@WoosukKwon
[Hardware] Initial TPU integration (vllm-project#5292)
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@rkooo567 rkooo567 rkooo567 approved these changes

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@WoosukKwon @JackCaoG @rkooo567