GitLab

* add bf16 gemms for gfx11/gfx12

* reduce the input values in test_gemm

* add int8 wmma gemm instances for gfx11/gfx12

* add example gemm_wmma_int8

* fix bug in gemm_wmma_int8 test

* increase bf16 gemm test tolerance

* update the dates and clean-up commented-out instances