Add fp8 row/block-wise scaled GEMMs #2546
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Summary: Add fp8 row/block-wise GEMM kernels with tests and benchmarks. Will register benchmark with TritonBench in separate pr. H100 500W ```bf16: shape (8192, 8192, 8192) tflops 585.23 ms 1.879 fp8 scale + row gemm: shape (8192, 8192, 8192) tflops 931.80 ms 1.180 fp8 scale + block gemm: shape (8192, 8192, 8192) tflops 594.84 ms 1.848 fp8 row gemm only: shape (8192, 8192, 8192) tflops 1125.51 ms 0.977 fp8 block gemm only: shape (8192, 8192, 8192) tflops 870.40 ms 1.263 bf16: shape (65536, 8192, 7168) tflops 575.12 ms 13.383 fp8 scale + row gemm: shape (65536, 8192, 7168) tflops 1024.09 ms 7.516 fp8 scale + block gemm: shape (65536, 8192, 7168) tflops 762.04 ms 10.100 fp8 row gemm only: shape (65536, 8192, 7168) tflops 1082.75 ms 7.108 fp8 block gemm only: shape (65536, 8192, 7168) tflops 828.34 ms 9.292 bf16: shape (65536, 3584, 8192) tflops 546.31 ms 7.044 fp8 scale + row gemm: shape (65536, 3584, 8192) tflops 876.66 ms 4.390 fp8 scale + block gemm: shape (65536, 3584, 8192) tflops 547.62 ms 7.027 fp8 row gemm only: shape (65536, 3584, 8192) tflops 1141.38 ms 3.372 fp8 block gemm only: shape (65536, 3584, 8192) tflops 828.31 ms 4.646 ``` Differential Revision: D56337896
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Summary:
Add fp8 row/block-wise GEMM kernels with tests and benchmarks. Will register benchmark with TritonBench in separate pr.
H100 500W
Differential Revision: D56337896