GitLab

Co-authored-by: baowending.bwd <baowending.bwd@alibaba-inc.com>

* Multiple updates and refactorings

* Remove dead code

Signed-off-by: simon-mo <simon.mo@hey.com>

Add Sparse Attention Kernels on Hopper

* fix calc space bug

* use python code to allocate the buffer for backward kernel

* get rid of cudaMalloc and cudaFree

* minor fix

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Co-authored-by: Jiashi Li <js.li@high-flyer.cn>

* Add more GPU architctures support

* Merge fmha and mla runner

* add varlen & non varlen support, and add incontiguous tensor support

* update readme

* add varlen api

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Co-authored-by: dianzhangc <dianzhangc@nvidia.com>