reduce kv transfer process to num of tp for pd.#758
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kingder wants to merge 6 commits intoModelTC:mainfrom
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reduce kv transfer process to num of tp for pd.#758kingder wants to merge 6 commits intoModelTC:mainfrom
kingder wants to merge 6 commits intoModelTC:mainfrom
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combine kv transfer process per p/d pair to a single process per p or d for reducing vram per process.
still ~300M vram needed per p/d pair for nccl communicator.