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Bug 5056055: limit register usage to 128 per thread in debug mode to comply with the maximum number of 32-bit registers per SM

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Peggy Tian 2025-05-12 06:04:22 +00:00
parent c6af90553e
commit 770e433a9e
1 changed files with 1 additions and 0 deletions
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Samples/4_CUDA_Libraries/conjugateGradientMultiBlockCG/CMakeLists.txt
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@ -13,6 +13,7 @@ set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Wno-deprecated-gpu-targets")
if(ENABLE_CUDA_DEBUG) if(ENABLE_CUDA_DEBUG)
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -G") # enable cuda-gdb (may significantly affect performance on some targets) set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -G") # enable cuda-gdb (may significantly affect performance on some targets)
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -maxrregcount=128") # limit register usage to 128 per thread to comply with the maximum number of 32-bit registers per SM
else() else()
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -lineinfo") # add line information to all builds for debug tools (exclusive to -G option) set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -lineinfo") # add line information to all builds for debug tools (exclusive to -G option)
endif() endif()