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Disable TWO_PASS_IPO if NVHPC Version < 23.11 #686

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merged 2 commits into from
Nov 6, 2024
Merged

Disable TWO_PASS_IPO if NVHPC Version < 23.11 #686

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f7cdb55
IPO is set to FALSE if NVHPC < 23.11
okBrian Nov 5, 2024
b64b2a3
Update CMakeLists.txt
sbryngelson Nov 5, 2024
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8 changes: 5 additions & 3 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -69,8 +69,8 @@ elseif ((CMAKE_Fortran_COMPILER_ID STREQUAL "NVHPC") OR (CMAKE_Fortran_COMPILER_
message(FATAL_ERROR "ERROR: When using NVHPC, v21.7 or newer is required to build MFC.\n${__err_msg}")
endif()

if ((CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 23.11) AND (CMAKE_BUILD_TYPE STREQUAL "Debug") AND MFC_OpenACC)
message(FATAL_ERROR "ERROR: When using NVHPC, MFC with Debug and GPU options requires NVHPC v23.11 or newer.\n${__err_msg}")
if ((CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 24.5) AND (CMAKE_BUILD_TYPE STREQUAL "Debug") AND MFC_OpenACC)
message(FATAL_ERROR "ERROR: When using NVHPC, MFC with Debug and GPU options requires NVHPC v24.5 or newer.\n${__err_msg}")
endif()
elseif (CMAKE_Fortran_COMPILER_ID STREQUAL "AppleClang" OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
message(FATAL_ERROR "ERROR: MFC does not support the Apple Clang compilers. Please consult the documentation.\n${__err_msg}")
Expand Down Expand Up @@ -216,7 +216,9 @@ if (CMAKE_BUILD_TYPE STREQUAL "Release")
# Enable LTO/IPO if supported
if (CMAKE_Fortran_COMPILER_ID STREQUAL "NVHPC")
if (MFC_Unified)
message(STATUS "IPO is not available with NVHPC using Unified Memory")
message(STATUS "LTO/IPO is not available with NVHPC using Unified Memory")
elseif(CMAKE_Fortran_COMPILER_VERSION VERSION_LESS "23.11")
message(STATUS "LTO/IPO is not supported in NVHPC Version < 23.11. Use a newer version of NVHPC for best performance.")
else()
message(STATUS "Performing IPO using -Mextract followed by -Minline")
set(NVHPC_USE_TWO_PASS_IPO TRUE)
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