[Runtime] Introduce MSCCLPP with NCCL equivalent interface #16804
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* Add a fast and simple AllReduce kernel (sum only) using using mscclpp smChannel scratch for small reductions up to 2**24 bytes.
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tqchen
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Mar 29, 2024
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Thanks @csullivan . looking forward to the disco integration |
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…pache#16804)" This reverts commit 64db9f7.
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Currently only supports ncclAllreduce equivalent, with op=Sum up to 2**24 bytes as noted below.
Plan to integrate with disco in a follow up PR.