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change to new spelling of the -gpu switch for nvc++ #1593

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change to new spelling of the -gpu switch for nvc++ #1593

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2f0608e
change to new spelling of the `-gpu` switch for nvc++
ericniebler Jul 27, 2025
2598678
try using nvc++ instead of mpic++
ericniebler Jul 28, 2025
cfebfbb
Revert "try using nvc++ instead of mpic++"
ericniebler Jul 28, 2025
08f639c
try something else
ericniebler Jul 28, 2025
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9 changes: 2 additions & 7 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -281,20 +281,15 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC")
set(STDEXEC_ENABLE_CUDA ON)
# Unset these if using nvc++
disable_compiler(LANG CUDA)

set(_nvhpc_seperate_memory_flags "-gpu=nomanaged")
# if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 24.5.0)
# set(_nvhpc_seperate_memory_flags "-gpu=mem:separate")
# endif()
endif()

# Support target for examples and tests
add_library(nvexec_executable_flags INTERFACE)

target_compile_options(nvexec_executable_flags INTERFACE
$<$<AND:$<CXX_COMPILER_ID:NVHPC>,$<COMPILE_LANGUAGE:CXX>>:${_nvhpc_seperate_memory_flags}>)
$<$<AND:$<CXX_COMPILER_ID:NVHPC>,$<COMPILE_LANGUAGE:CXX>>:-gpu=mem:separate>)
target_link_options(nvexec_executable_flags INTERFACE
$<$<AND:$<CXX_COMPILER_ID:NVHPC>,$<COMPILE_LANGUAGE:CXX>>:${_nvhpc_seperate_memory_flags}>)
$<$<AND:$<CXX_COMPILER_ID:NVHPC>,$<COMPILE_LANGUAGE:CXX>>:-gpu=mem:separate>)

if(STDEXEC_ENABLE_CUDA)
file(GLOB_RECURSE nvexec_headers CONFIGURE_DEPENDS include/nvexec/*.cuh)
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