mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
59ce1189cc
Ported cuda compiler flags logic from ConfigureComponents over to vtkmDeviceAdapters.cmake
194 lines
8.5 KiB
CMake
194 lines
8.5 KiB
CMake
##============================================================================
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## Copyright (c) Kitware, Inc.
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## All rights reserved.
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## See LICENSE.txt for details.
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## This software is distributed WITHOUT ANY WARRANTY; without even
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## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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## PURPOSE. See the above copyright notice for more information.
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##
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## Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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## Copyright 2014 UT-Battelle, LLC.
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## Copyright 2014 Los Alamos National Security.
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##
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## Under the terms of Contract DE-NA0003525 with NTESS,
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## the U.S. Government retains certain rights in this software.
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##
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## Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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## Laboratory (LANL), the U.S. Government retains certain rights in
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## this software.
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##============================================================================
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if(VTKm_ENABLE_TBB AND NOT TARGET vtkm::tbb)
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find_package(TBB REQUIRED)
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add_library(vtkm::tbb UNKNOWN IMPORTED)
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set_target_properties(vtkm::tbb PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${TBB_INCLUDE_DIRS}")
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if(TBB_LIBRARY_RELEASE)
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set_property(TARGET vtkm::tbb APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(vtkm::tbb PROPERTIES IMPORTED_LOCATION_RELEASE "${TBB_LIBRARY_RELEASE}")
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endif()
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if(TBB_LIBRARY_DEBUG)
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set_property(TARGET vtkm::tbb APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(vtkm::tbb PROPERTIES IMPORTED_LOCATION_DEBUG "${TBB_LIBRARY_DEBUG}")
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endif()
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if(NOT TBB_LIBRARY_RELEASE AND NOT TBB_LIBRARY_DEBUG)
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set_property(TARGET vtkm::tbb APPEND PROPERTY IMPORTED_LOCATION "${TBB_LIBRARY}")
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endif()
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endif()
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if(VTKm_ENABLE_CUDA AND NOT TARGET vtkm::cuda)
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cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
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enable_language(CUDA)
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add_library(vtkm::cuda UNKNOWN IMPORTED)
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# We can't have this location/lib empty, so we provide a location that is
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# valid and will have no effect on compilation
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list(GET CMAKE_CUDA_IMPLICIT_LINK_LIBRARIES 0 VTKM_CUDA_LIBRARY)
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if(IS_ABSOLUTE "${VTKM_CUDA_LIBRARY}")
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set_property(TARGET vtkm::cuda APPEND PROPERTY IMPORTED_LOCATION "${VTKM_CUDA_LIBRARY}")
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else()
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find_library(cuda_lib
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NAME ${VTKM_CUDA_LIBRARY}
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PATHS ${CMAKE_CUDA_HOST_IMPLICIT_LINK_DIRECTORIES}
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)
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set(VTKM_CUDA_LIBRARY ${cuda_lib})
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set_property(TARGET vtkm::cuda APPEND PROPERTY IMPORTED_LOCATION "${VTKM_CUDA_LIBRARY}")
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endif()
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set_target_properties(vtkm::cuda PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES}")
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#This is where we would add the -gencode flags so that all cuda code
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#way compiled properly
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#---------------------------------------------------------------------------
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# Setup build flags for CUDA to have C++11 support
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#---------------------------------------------------------------------------
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if(NOT MSVC)
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if(NOT "--std" IN_LIST CUDA_NVCC_FLAGS)
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list(APPEND CUDA_NVCC_FLAGS --std c++11)
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endif()
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endif()
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#---------------------------------------------------------------------------
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# Populates CUDA_NVCC_FLAGS with the best set of flags to compile for a
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# given GPU architecture. The majority of developers should leave the
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# option at the default of 'native' which uses system introspection to
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# determine the smallest numerous of virtual and real architectures it
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# should target.
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#
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# The option of 'all' is provided for people generating libraries that
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# will deployed to any number of machines, it will compile all CUDA code
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# for all major virtual architectures, guaranteeing that the code will run
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# anywhere.
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#
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#
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# 1 - native
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# - Uses system introspection to determine compile flags
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# 2 - fermi
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# - Uses: --generate-code=arch=compute_20,code=compute_20
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# 3 - kepler
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# - Uses: --generate-code=arch=compute_30,code=compute_30
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# - Uses: --generate-code=arch=compute_35,code=compute_35
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# 4 - maxwell
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# - Uses: --generate-code=arch=compute_50,code=compute_50
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# - Uses: --generate-code=arch=compute_52,code=compute_52
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# 5 - pascal
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# - Uses: --generate-code=arch=compute_60,code=compute_60
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# - Uses: --generate-code=arch=compute_61,code=compute_61
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# 6 - volta
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# - Uses: --generate-code=arch=compute_70,code=compute_70
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# 7 - all
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# - Uses: --generate-code=arch=compute_20,code=compute_20
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# - Uses: --generate-code=arch=compute_30,code=compute_30
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# - Uses: --generate-code=arch=compute_35,code=compute_35
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# - Uses: --generate-code=arch=compute_50,code=compute_50
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# - Uses: --generate-code=arch=compute_52,code=compute_52
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# - Uses: --generate-code=arch=compute_60,code=compute_60
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# - Uses: --generate-code=arch=compute_61,code=compute_61
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# - Uses: --generate-code=arch=compute_70,code=compute_70
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#
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#specify the property
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set(VTKm_CUDA_Architecture "native" CACHE STRING "Which GPU Architecture(s) to compile for")
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set_property(CACHE VTKm_CUDA_Architecture PROPERTY STRINGS native fermi kepler maxwell pascal volta all)
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#detect what the propery is set too
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if(VTKm_CUDA_Architecture STREQUAL "native")
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if(VTKM_CUDA_NATIVE_EXE_PROCESS_RAN_OUTPUT)
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#Use the cached value
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list(APPEND CUDA_NVCC_FLAGS ${VTKM_CUDA_NATIVE_EXE_PROCESS_RAN_OUTPUT})
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else()
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#run execute_process to do auto_detection
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if(CMAKE_GENERATOR MATCHES "Visual Studio")
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set(args "-ccbin" "${CMAKE_CXX_COMPILER}" "--run" "${VTKm_CMAKE_MODULE_PATH}/VTKmDetectCUDAVersion.cu")
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elseif(CUDA_HOST_COMPILER)
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set(args "-ccbin" "${CUDA_HOST_COMPILER}" "--run" "${VTKm_CMAKE_MODULE_PATH}/VTKmDetectCUDAVersion.cu")
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else()
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set(args "--run" "${VTKm_CMAKE_MODULE_PATH}/VTKmDetectCUDAVersion.cu")
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endif()
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execute_process(
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COMMAND ${CUDA_NVCC_EXECUTABLE} ${args}
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RESULT_VARIABLE ran_properly
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OUTPUT_VARIABLE run_output
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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if(ran_properly EQUAL 0)
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#find the position of the "--generate-code" output. With some compilers such as
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#msvc we get compile output plus run output. So we need to strip out just the
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#run output
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string(FIND "${run_output}" "--generate-code" position)
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string(SUBSTRING "${run_output}" ${position} -1 run_output)
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list(APPEND CUDA_NVCC_FLAGS ${run_output})
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set(VTKM_CUDA_NATIVE_EXE_PROCESS_RAN_OUTPUT ${run_output} CACHE INTERNAL
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"device type(s) for cuda[native]")
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else()
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set(VTKm_CUDA_Architecture "fermi")
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endif()
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endif()
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endif()
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#since when we are native we can fail, and fall back to "fermi" these have
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#to happen after, and separately of the native check
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if(VTKm_CUDA_Architecture STREQUAL "fermi")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_20,code=compute_20")
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elseif(VTKm_CUDA_Architecture STREQUAL "kepler")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_30,code=compute_30")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_35,code=compute_35")
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elseif(VTKm_CUDA_Architecture STREQUAL "maxwell")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_50,code=compute_50")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_52,code=compute_52")
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elseif(VTKm_CUDA_Architecture STREQUAL "pascal")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_60,code=compute_60")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_61,code=compute_61")
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elseif(VTKm_CUDA_Architecture STREQUAL "volta")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_70,code=compute_70")
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elseif(VTKm_CUDA_Architecture STREQUAL "all")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_20,code=compute_20")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_30,code=compute_30")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_35,code=compute_35")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_50,code=compute_50")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_52,code=compute_52")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_60,code=compute_60")
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list(APPEND CUDA_NVCC_FLAGS "--generate-code=arch=compute_61,code=compute_61")
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endif()
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if(WIN32)
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# On Windows, there is an issue with performing parallel builds with
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# nvcc. Multiple compiles can attempt to write the same .pdb file. Add
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# this argument to avoid this problem.
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set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} --compiler-options /FS")
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endif()
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endif()
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