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reduceCopy minSrcs and maxSrcs #1249

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danceinthedark opened this issue Apr 11, 2024 · 2 comments
Open

reduceCopy minSrcs and maxSrcs #1249

danceinthedark opened this issue Apr 11, 2024 · 2 comments

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@danceinthedark
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hello everyone!
i am learning NCCL code and i wonder the difference of src that equal 0, srcs between 1 and minSrcs-1 and srcs beween minSrcs and maxSrcs-1 in function reduceCopyPacks(common_kernel.h)? Their codes looks similar. The same situation also occurs in minDsts and maxDsts
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@danceinthedark
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danceinthedark commented Apr 11, 2024 •
edited

besides, what does the PreOpSrcs mean? Does it indicate the number of srcs which first come into channel without reduce?

@shanleo1986
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I have the same question, just mark it.

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@danceinthedark @shanleo1986