[Kernel] Cache oneDNN primitive when M < XFT_PRIMITIVE_CACHE_M, default 256.
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pujiang2018
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Jun 26, 2024
src/utils/matmul_helper.h
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| bool cache_matmul_primitive(dnnl::matmul::primitive_desc *matmul_pd, dnnl::matmul *matmul_prim, bool transA, int M, | ||
| int N, int K, int matmul_kind, const void *packedB = nullptr) { | ||
| // If M < primitiveCacheM or a power of 2, then cache. | ||
| if (M <= primitiveCacheM || !(M & 1)) { |
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To check if M is in power of 2: (M&(M−1))==0
pujiang2018
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Jun 26, 2024
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