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Support N={48, 80, 96, 112, ...} for SM100 EpilogueTileAuto #2269

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Support N={48, 80, 96, 112, ...} for SM100 EpilogueTileAuto #2269

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2 changes: 1 addition & 1 deletion include/cutlass/epilogue/collective/builders/sm100_builder.inl
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Original file line number Diff line number Diff line change
Expand Up @@ -1095,7 +1095,7 @@ private:
constexpr int N_min_D = (detail::is_m_major<GmemStrideTypeD>()) ? 8 * WarpN
: (sizeof_bits_v<ElementD> == 6) ? 128 * WarpN // TMA store only supports SW128B for FP6 data type
: 128 / sizeof_bits_v<ElementD> * WarpN;
constexpr int N = cute::min(CtaN, cute::max(N_perf, N_min_C, N_min_D));
constexpr int N = cute::gcd(CtaN, cute::min(CtaN, cute::max(N_perf, N_min_C, N_min_D)));
static_assert(CtaN >= N_min_C && CtaN >= N_min_D, "CTA tile too small");

// stride by tmem warp layout and return a by-mode tiler
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