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Merge branch 'peggyt_bug_fix' into 'master'

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Bug 5056055: limit register usage to 128 per thread in debug mode

See merge request cuda-samples/cuda-samples!110
This commit is contained in:
Rob Armstrong 2025-05-12 08:55:45 -07:00
commit 2861e78272
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 "${CMAKE_CUDA_FLAGS} -Wno-deprecated-gpu-targets")
if(ENABLE_CUDA_DEBUG)
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -G") # enable cuda-gdb (may significantly affect performance on some targets)
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -maxrregcount=128") # limit register usage to 128 per thread to comply with the maximum number of 32-bit registers per SM
else()
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -lineinfo") # add line information to all builds for debug tools (exclusive to -G option)
endif()