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add deprecation warning for using accelerator offload with INTEL package

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Axel Kohlmeyer
2025-01-14 20:47:23 -05:00
parent fbc66f75ac
commit 781b40643c
1 changed files with 4 additions and 0 deletions
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cmake/Modules/Packages/INTEL.cmake
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@ -72,6 +72,10 @@ if(INTEL_ARCH STREQUAL "KNL")
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel") if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
message(FATAL_ERROR "Must use Intel compiler with INTEL for KNL architecture") message(FATAL_ERROR "Must use Intel compiler with INTEL for KNL architecture")
endif() endif()
message(WARNING, "Support for Intel Xeon Phi accelerators and Knight's Landing CPUs "
"will be removed from LAMMPS in Summer 2025 due to lack of available machines "
"in labs and HPC centers and removed support in recent compilers "
"Please contact developers@lammps.org if you have any concerns about this step.")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -xHost -qopenmp -qoffload") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -xHost -qopenmp -qoffload")
set(MIC_OPTIONS "-qoffload-option,mic,compiler,\"-fp-model fast=2 -mGLOB_default_function_attrs=\\\"gather_scatter_loop_unroll=4\\\"\"") set(MIC_OPTIONS "-qoffload-option,mic,compiler,\"-fp-model fast=2 -mGLOB_default_function_attrs=\\\"gather_scatter_loop_unroll=4\\\"\"")
target_compile_options(lammps PRIVATE -xMIC-AVX512 -qoffload -fno-alias -ansi-alias -restrict -qoverride-limits ${MIC_OPTIONS}) target_compile_options(lammps PRIVATE -xMIC-AVX512 -qoffload -fno-alias -ansi-alias -restrict -qoverride-limits ${MIC_OPTIONS})