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Adding warning about weird MKL intel25 behavior

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This commit is contained in:
Kareem Sorathia
2025-10-30 14:27:21 -04:00
parent 9ad2aaed4f
commit 044496e81b
1 changed files with 9 additions and 0 deletions
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9
cmake/compilers.cmake
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@@ -130,15 +130,24 @@ if(CMAKE_Fortran_COMPILER_ID MATCHES Intel)
string(APPEND PRODWITHDEBUGINFO " -march=core-avx2")
elseif (HOST MATCHES stampede3)
message("You're on Stampede3!")
if (ENABLE_MKL)
string(APPEND CMAKE_Fortran_FLAGS " -qmkl")
endif()
string(APPEND PROD " -xCORE-AVX512")
string(APPEND PRODWITHDEBUGINFO " -xCORE-AVX512")
endif()
#Check Intel Fortran version
if(NOT ALLOW_INVALID_COMPILERS AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER "2021.9" AND CMAKE_Fortran_COMPILER_VERSION VERSION_LESS "2025.1")
message(FATAL_ERROR "Intel OneAPI compilers between 2022-2024 have compiler bugs which cause weird numerical errors in our code. You can set the ALLOW_INVALID_COMPILERS variable to ON to force compilation at your own risk. You'll probably get what you deserve.")
endif()
#Check for MKL + intel25
if (ENABLE_MKL AND (CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER "2024"))
message(WARNING "Intel OneAPI MKL has been found to fail in weird ways and should probably be avoided. But hey, do what you want. I'm a warning message, not a cop.")
endif()
elseif(CMAKE_Fortran_COMPILER_ID MATCHES GNU)
set(dialect "-ffree-form -ffree-line-length-none -fimplicit-none")
#Base