Hardcoded tuning for FBGEMM/fp8 for 70B/405B Prefill with T=1..8K (#3164

)

Summary:
Pull Request resolved: #3164

X-link: facebookresearch/FBGEMM#258

Explicitly add instances for 405/70B Prefill with T=1024,2048,4096,8192

Reviewed By: jwfromm

Differential Revision: D63234720

fbshipit-source-id: 5602cbb5428e7515dbc64da58dafca7fed2a26c4

fbgemm_gpu/experimental/gen_ai/src/quantize/ck_extensions/fp8_rowwise_gemm.hip

@@ -72,8 +72,14 @@ static const std::unordered_map<
          fp8_rowwise_128x64x32x128_32x32_1x1_8x16x1_8x16x1_1x16x1x8_4x4x1_1x1_intrawave_v2},
         {{128, 7168, 8192},
          fp8_rowwise_256x64x64x128_32x32_1x1_8x32x1_8x32x1_1x32x1x8_8x8x1_1x1_intrawave_v3},
+        {{1024, 7168, 8192},
+         fp8_rowwise_256x128x128x128_32x32_2x2_8x32x1_8x32x1_1x32x1x8_8x8x1_1x1_intrawave_v5},
         {{2048, 7168, 8192},
          fp8_rowwise_256x256x224x128_16x16_8x7_8x32x1_8x32x1_1x64x1x4_8x8x1_2x1_intrawave_v3},
+        {{4096, 7168, 8192},
+         fp8_rowwise_256x224x256x128_16x16_7x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
+        {{8192, 7168, 8192},
+         fp8_rowwise_256x256x256x128_16x16_8x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
         // Support for decode across batch sizes for [8192, 3584]
         {{16, 8192, 3584},
          fp8_rowwise_128x16x32x128_16x16_1x1_8x16x1_8x16x1_1x16x1x8_4x4x1_1x1_interwave_v2},
@@ -83,6 +89,14 @@ static const std::unordered_map<
          fp8_rowwise_128x64x32x128_32x32_1x1_8x16x1_8x16x1_1x16x1x8_4x4x1_1x1_intrawave_v2},
         {{128, 8192, 3584},
          fp8_rowwise_256x64x64x128_32x32_1x1_8x32x1_8x32x1_1x32x1x8_8x8x1_1x1_intrawave_v3},
+        {{1024, 8192, 3584},
+         fp8_rowwise_256x256x224x128_16x16_8x7_8x32x1_8x32x1_1x64x1x4_8x8x1_2x1_intrawave_v3},
+        {{2048, 8192, 3584},
+         fp8_rowwise_256x256x224x128_16x16_8x7_8x32x1_8x32x1_1x64x1x4_8x8x1_2x1_intrawave_v3},
+        {{4096, 8192, 3584},
+         fp8_rowwise_256x224x256x128_16x16_7x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
+        {{8192, 8192, 3584},
+         fp8_rowwise_256x224x256x128_16x16_7x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
         // Llama 405B Decode Shapes.
         // Support for decode across batch sizes for [13312, 6656].
         {{16, 13312, 6656},
@@ -102,8 +116,14 @@ static const std::unordered_map<
          fp8_rowwise_256x64x64x128_32x32_1x1_8x32x1_8x32x1_1x32x1x8_8x8x1_1x1_intrawave_v3},
         {{128, 13312, 16384},
          fp8_rowwise_256x128x64x128_32x32_2x1_8x32x1_8x32x1_1x32x1x8_8x8x1_1x1_intrawave_v3},
-        {{2048, 13312, 16384},
+        {{1024, 13312, 16384},
          fp8_rowwise_256x256x224x128_16x16_8x7_8x32x1_8x32x1_1x64x1x4_8x8x1_2x1_intrawave_v3},
+        {{2048, 13312, 16384},
+         fp8_rowwise_256x224x256x128_16x16_7x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
+        {{4096, 13312, 16384},
+         fp8_rowwise_256x256x256x128_16x16_8x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
+        {{8192, 13312, 16384},
+         fp8_rowwise_256x256x256x128_16x16_8x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
         // Support for decode across batch sizes for [16384, 6656].
         {{16, 16384, 6656},
          fp8_rowwise_64x16x16x256_16x16_1x1_16x4x1_16x4x1_1x4x1x16_4x4x1_1x1_intrawave_v1},
@@ -113,8 +133,14 @@ static const std::unordered_map<
          fp8_rowwise_256x64x64x128_32x32_1x1_8x32x1_8x32x1_1x32x1x8_8x8x1_1x1_intrawave_v3},
         {{128, 16384, 6656},
          fp8_rowwise_256x128x64x128_32x32_2x1_8x32x1_8x32x1_1x32x1x8_8x8x1_1x1_intrawave_v3},
+        {{1024, 16384, 6656},
+         fp8_rowwise_256x256x224x128_16x16_8x7_8x32x1_8x32x1_1x64x1x4_8x8x1_2x1_intrawave_v3},
         {{2048, 16384, 6656},
          fp8_rowwise_256x256x224x128_16x16_8x7_8x32x1_8x32x1_1x64x1x4_8x8x1_2x1_intrawave_v3},
+        {{4096, 16384, 6656},
+         fp8_rowwise_256x224x256x128_16x16_7x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
+        {{8192, 16384, 6656},
+         fp8_rowwise_256x256x256x128_16x16_8x8_8x32x1_8x32x1_1x32x1x8_8x8x1_1x2_intrawave_v3},
         // Support for decode across batch sizes for [16384, 16384].
         {{16, 16384, 16384},
          fp8_rowwise_64x16x16x512_16x16_1x1_32x2x1_32x2x1_1x16x1x4_4x4x1_1x1_interwave_v2},