pytorch

7360ce36 - [QNNPACK:Sparsity] Add A matrix pretransformed based sparse kernels for FC (#50587)

[QNNPACK:Sparsity] Add A matrix pretransformed based sparse kernels for FC (#50587) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/50587 This diff introduces two kernesl. One is to pretransform A to do block wise transforms. And then the kernel that directly works on top pretransformed weights. Test Plan: ./build/local/q8gemm-sparse-test ./build/local/fully-connected-sparse-test Imported from OSS Reviewed By: AshkanAliabadi Differential Revision: D25925504 fbshipit-source-id: 9b02819405ce587f20e675b154895dc39ecd1bad