mark_as_advanced(GMX_BUILD_OWN_FFTW)
mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
+gmx_dependent_option(
+ GMX_USE_HEFFTE
+ "Use HeFFTe for FFT support. Used with CUDA backend"
+ OFF
+ "GMX_GPU STREQUAL CUDA;GMX_MPI")
+
gmx_dependent_cache_variable(GMX_SIMD_REF_FLOAT_WIDTH "Reference SIMD single precision width" STRING "4" "GMX_SIMD STREQUAL REFERENCE")
gmx_dependent_cache_variable(GMX_SIMD_REF_DOUBLE_WIDTH "Reference SIMD double precision width" STRING "2" "GMX_SIMD STREQUAL REFERENCE")
set(GMX_CYGWIN 1)
endif()
+if(GMX_USE_HEFFTE)
+ if(NOT GMX_GPU_CUDA)
+ message(FATAL_ERROR "HeFFTe support requires a CUDA build")
+ endif()
+ if(NOT GMX_LIB_MPI)
+ message(FATAL_ERROR "HeFFTe support requires a library MPI build")
+ endif()
+ find_package(Heffte 2.1.0 REQUIRED CUDA)
+endif()
+
if(WIN32)
set(GMX_NATIVE_WINDOWS 1)
# This makes windows.h not declare min/max as macros that would break