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Initial support Blackwell GPU arch#26820

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Merged
asmorkalov merged 2 commits intoopencv:4.xfromjohnnynunez:patch-1
Jan 25, 2025
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initial support blackwell
10.0 blackwell b100/b20012.0 blackwell rtx50
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@johnnynunez
johnnynunez authoredJan 22, 2025
commitcd83daadb6103d0f0ac48e7c6e2587ccfe6cfe91
6 changes: 5 additions & 1 deletioncmake/OpenCVDetectCUDAUtils.cmake
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Original file line numberDiff line numberDiff line change
Expand Up@@ -95,7 +95,7 @@ endfunction()

macro(ocv_initialize_nvidia_device_generations)
OCV_OPTION(CUDA_ENABLE_DEPRECATED_GENERATION "Enable deprecated generations in the list" OFF)
set(_generations "Maxwell" "Pascal" "Volta" "Turing" "Ampere" "Lovelace" "Hopper")
set(_generations "Maxwell" "Pascal" "Volta" "Turing" "Ampere" "Lovelace" "Hopper" "Blackwell")
if(CUDA_ENABLE_DEPRECATED_GENERATION)
set(_generations "Fermi" "${_generations}")
set(_generations "Kepler" "${_generations}")
Expand All@@ -109,6 +109,7 @@ macro(ocv_initialize_nvidia_device_generations)
set(_arch_ampere "8.0;8.6")
set(_arch_lovelace "8.9")
set(_arch_hopper "9.0")
set(_arch_blackwell "10.0;12.0")
if(NOT CMAKE_CROSSCOMPILING)
list(APPEND _generations "Auto")
endif()
Expand DownExpand Up@@ -246,6 +247,8 @@ macro(ocv_set_cuda_arch_bin_and_ptx nvcc_executable)
set(__cuda_arch_bin ${_arch_lovelace})
elseif(CUDA_GENERATION STREQUAL "Hopper")
set(__cuda_arch_bin ${_arch_hopper})
elseif(CUDA_GENERATION STREQUAL "Blackwell")
set(__cuda_arch_bin ${_arch_blackwell})
elseif(CUDA_GENERATION STREQUAL "Auto")
ocv_detect_native_cuda_arch(${nvcc_executable} _nvcc_res _nvcc_out)
if(NOT _nvcc_res EQUAL 0)
Expand DownExpand Up@@ -293,6 +296,7 @@ macro(ocv_set_cuda_arch_bin_and_ptx nvcc_executable)
${_arch_ampere}
${_arch_lovelace}
${_arch_hopper}
${_arch_blackwell}
)
list(GET __cuda_arch_bin -1 __cuda_arch_ptx)
endif()
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