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[WIP] Support for new vLLM weight sync APIs #793

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[WIP] Support for new vLLM weight sync APIs #793

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@ahao-anyscale ahao-anyscale commented Dec 18, 2025 •
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Trying to integrate apis built in https://github.com/SumanthRH/vllm/tree/weight_transfer_prototype.

Notes:

  • flash attn is not supported for pytorch 2.9 so I had to remove that

WIP:

  • Megatron with remote inference server
  • async integration with abort/resume once those are finalized

@ahao-anyscale
draft for integration
daafb05 
Signed-off-by: ahao-anyscale <ahao@anyscale.com>
@ahao-anyscale
passing e2e tests
b450a49 
Signed-off-by: ahao-anyscale <ahao@anyscale.com>
@ahao-anyscale
add finalize weights
3b16fd9 
Signed-off-by: ahao-anyscale <ahao@anyscale.com>
@ahao-anyscale
remote server working
89e315a 
Signed-off-by: ahao-anyscale <ahao@anyscale.com>
@ahao-anyscale ahao-anyscale changed the title Support for new vLLM weight sync APIs [WIP] Support for new vLLM weight sync APIs Dec 18, 2025
@ahao-anyscale
megatron workingwith nccl version fix
7d72f73 
Signed-off-by: ahao-anyscale <ahao@anyscale.com>
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