Mapping utilities #5073
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Mapping utilities #5073
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Summary: X-link: facebookresearch/FBGEMM#2078 Changing the QtileSize to 64. I see good improvement > 20 %.. For correctness this includes changing the TMEM atoms and introducing warp sync for row stats. Perf: ``` (Batch, SeqLenQ, SeqLenKV, MaxLenKV, HeadQ, HeadKV, HeadD) cutlass_blackwell_fmha_decode-gbps Improvment with Qtile = 64 (16, 1, 256, 256, 8, 1, 128) 238.2206209 1.31463193 (16, 1, 512, 512, 8, 1, 128) 410.8838061 1.315872068 (16, 1, 1024, 1024, 8, 1, 128) 660.5696208 1.335567769 (16, 1, 2048, 2048, 8, 1, 128) 916.5460174 1.310093116 (16, 1, 4096, 4096, 8, 1, 128) 1133.690174 1.258896694 (16, 1, 8192, 8192, 8, 1, 128) 1271.341515 1.229311967 (32, 1, 256, 256, 8, 1, 128) 468.9034945 1.295635241 (32, 1, 512, 512, 8, 1, 128) 799.2689835 1.280831124 (32, 1, 1024, 1024, 8, 1, 128) 1285.452285 1.293538886 (32, 1, 2048, 2048, 8, 1, 128) 1797.074701 1.269787171 (32, 1, 4096, 4096, 8, 1, 128) 2210.946865 1.229703361 (32, 1, 8192, 8192, 8, 1, 128) 2498.665399 1.212166122 (64, 1, 256, 256, 8, 1, 128) 893.9747894 1.302172409 (64, 1, 512, 512, 8, 1, 128) 1493.150844 1.274679551 (64, 1, 1024, 1024, 8, 1, 128) 2309.825211 1.220419935 (64, 1, 2048, 2048, 8, 1, 128) 3012.271892 1.159444905 (64, 1, 4096, 4096, 8, 1, 128) 3552.001019 1.089389445 (64, 1, 8192, 8192, 8, 1, 128) 4348.016208 1.131298153 (128, 1, 256, 256, 8, 1, 128) 1549.388365 1.233405251 (128, 1, 512, 512, 8, 1, 128) 2480.52007 1.210676964 (128, 1, 1024, 1024, 8, 1, 128) 3360.125922 1.145674899 (128, 1, 2048, 2048, 8, 1, 128) 4103.461192 1.093136854 (128, 1, 4096, 4096, 8, 1, 128) 4783.429328 1.095583284 ``` Reviewed By: jianyuh, v0i0 Differential Revision: D85155388
Summary: X-link: facebookresearch/FBGEMM#2079 Compile-time static/const mapping utilities for: 1. constexpr value -> constexpr value 2. constexpr value -> type Useful when developing template-heavy cutlass code. Differential Revision: D85893168
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Summary: X-link: facebookresearch/FBGEMM#2079 Compile-time static/const mapping utilities for: 1. constexpr value -> constexpr value 2. constexpr value -> type Useful when developing template-heavy cutlass code. Reviewed By: jianyuh Differential Revision: D85893168
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This pull request has been merged in 44d0f95. |
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Summary:
X-link: https://github.com/facebookresearch/FBGEMM/pull/2079
Compile-time static/const mapping utilities for:
Useful when developing template-heavy cutlass code.
Differential Revision: D85893168