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Use the GPU family macros for the ROCm warp size #49016

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Merged
cmsbuild merged 1 commit into from
Sep 30, 2025
Merged

Use the GPU family macros for the ROCm warp size #49016

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10 changes: 2 additions & 8 deletions HeterogeneousCore/AlpakaInterface/interface/warpsize.h
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Original file line number Diff line number Diff line change
Expand Up @@ -13,15 +13,9 @@ namespace cms::alpakatools {
inline constexpr int warpSize = 32;
#elif defined(__HIP_DEVICE_COMPILE__)
// HIP/ROCm may have a warp size of 32 or 64 depending on the target device
#if defined(__gfx900__) or defined(__gfx902__) or defined(__gfx903__) or defined(__gfx906__) or defined(__gfx908__) or \
defined(__gfx909__) or defined(__gfx90a__) or defined(__gfx90c__) or defined(__gfx942__) or defined(__gfx950__)
#if defined(__GFX9__)
inline constexpr int warpSize = 64;
#elif defined(__gfx1010__) or defined(__gfx1011__) or defined(__gfx1012__) or defined(__gfx1013__) or \
defined(__gfx1030__) or defined(__gfx1031__) or defined(__gfx1032__) or defined(__gfx1033__) or \
defined(__gfx1034__) or defined(__gfx1035__) or defined(__gfx1036__) or defined(__gfx1100__) or \
defined(__gfx1101__) or defined(__gfx1102__) or defined(__gfx1103__) or defined(__gfx1150__) or \
defined(__gfx1151__) or defined(__gfx1152__) or defined(__gfx1153__) or defined(__gfx1200__) or \
defined(__gfx1201__) or defined(__gfx1250__) or defined(__gfx1251__)
#elif defined(__GFX10__) or defined(__GFX11__) or defined(__GFX12__)
inline constexpr int warpSize = 32;
#else
#error "Unknown AMDGCN architecture"
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