All gather and reduce scatter on SM80 #3
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zheng-ningxin
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wenlei-bao
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…ecture: 1. Allgather followed by GEMM (General Matrix-Matrix Multiplication) 2. GEMM followed by Reduce-Scatter The fused operations demonstrate improved performance compared to invoking GEMM and communication operations separately. This optimization is crucial for high-performance computing tasks especially for LLM training or inference.. Co-authored-by: Chengquan Jiang <[email protected]> Co-authored-by: Wenlei Bao <[email protected]> Co-authored-by: Ningxin Zheng <[email protected]> Co-authored-by: Qi Hou <[email protected]> Co-authored-by: Ziheng Jiang <[email protected]> Co-authored-by: Xin Liu <[email protected]> Co-authored-by: Liwen Chang <[email protected]> Co-authored-by: Haibin Lin <[email protected]>
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The current implementation supports two operations on the SM80 architecture:
The fused operations demonstrate improved performance compared to invoking GEMM and communication operations separately. This optimization is crucial for high-performance computing tasks especially for LLM training or inference.
We sincerely appreciate all contributors including but not limited to @kongroo @wenlei-bao @houqi @Meteorix @liwenchangbdbz @ZihengJiang @eric-haibin-lin.