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HIP kernels may launch with non-uniform block size for backward compatibility #2307

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merged 6 commits into from
Aug 28, 2023
Merged

HIP kernels may launch with non-uniform block size for backward compatibility #2307

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1d07f0f
[ROCm 5.7] HIP kernels may launch with non-uniform block size for bac…
junliume Aug 8, 2023
ad31778
Fix hipRTC build options for hip kernels
junliume Aug 8, 2023
b46e52d
fix issue with auto-format
junliume Aug 8, 2023
1883686
pinpoint effective hip version more precisely
junliume Aug 9, 2023
b3d5164
GREATER_EQUAL is available from CMake 3.7
junliume Aug 9, 2023
80e9937
Update CMakeLists.txt
junliume Aug 10, 2023
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6 changes: 6 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -253,6 +253,12 @@ math(EXPR MIOPEN_hip_VERSION_FLAT "(${MIOPEN_hip_VERSION_MAJOR} * 1000 + ${MIOPE
set_var_to_condition(MIOPEN_USE_HIPRTC_DEFAULT ${MIOPEN_USE_COMGR} AND (${MIOPEN_hip_VERSION_FLAT} GREATER 500000000))
option(MIOPEN_USE_HIPRTC "Use HIPRTC to build HIP kernels instead of COMGR" ${MIOPEN_USE_HIPRTC_DEFAULT})

# No assumption that HIP kernels are launched with uniform block size for backward compatibility
# SWDEV-413293 and https://reviews.llvm.org/D155213
if(${MIOPEN_hip_VERSION_FLAT} GREATER 500700000)
string(APPEND HIP_COMPILER_FLAGS " -fno-offload-uniform-block ")
endif()

message(STATUS "Hip compiler flags: ${HIP_COMPILER_FLAGS}")

add_definitions("-DHIP_COMPILER_FLAGS=${HIP_COMPILER_FLAGS}")
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