[Optimize]support machete weight only gemm #3561
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## develop #3561 +/- ##
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Coverage ? 59.40%
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Files ? 3
Lines ? 101
Branches ? 10
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Hits ? 60
Misses ? 33
Partials ? 8
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zhoutianzi666
approved these changes
Aug 28, 2025
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描述
Matche 为 vLLM 开发的一个基于 CUTLASS 的高性能 GEMM 算子，优化内核继承自 Marlin ，并针对 Hopper 架构进行了优化。
本PR为 machete wint4 kernel 适配 paddle 接口，实现 wint4 dense gemm 性能提升。
使用方式
目前仅对 machete wint4 kernel做了适配和验证，所以仅适用于
--quantization wint4。通过环境变量
FD_USE_MACHETE控制是否使用machete kernel，默认不开启，值为 0。执行 machete kernel 需要同时满足：
性能测试
k, n = 7168, 1536
k, n = 2048, 5120