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Code Releases Activity

FFT offload to GPU and MUCH faster comms.

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40x speed up on Frontier
This commit is contained in:
Peter Boyle
2025-08-21 16:44:55 -04:00
parent 76c0ada1e1
commit fe0db53842
8 changed files with 443 additions and 176 deletions
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3
systems/Frontier/config-command
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@@ -10,12 +10,11 @@ CLIME=`spack find --paths c-lime@2-3-9 | grep c-lime| cut -c 15-`
--disable-fermion-reps \
--enable-simd=GPU \
--with-gmp=$OLCF_GMP_ROOT \
--with-fftw=$FFTW_DIR/.. \
--with-mpfr=/opt/cray/pe/gcc/mpfr/3.1.4/ \
--disable-fermion-reps \
CXX=hipcc MPICXX=mpicxx \
CXXFLAGS="-fPIC -I${ROCM_PATH}/include/ -I${MPICH_DIR}/include -L/lib64 " \
LDFLAGS="-L/lib64 -L${ROCM_PATH}/lib -L${MPICH_DIR}/lib -lmpi -L${CRAY_MPICH_ROOTDIR}/gtl/lib -lmpi_gtl_hsa -lhipblas -lrocblas"
LDFLAGS="-L/lib64 -L${ROCM_PATH}/lib -L${MPICH_DIR}/lib -lmpi -L${CRAY_MPICH_ROOTDIR}/gtl/lib -lmpi_gtl_hsa -lhipblas -lrocblas -lhipfft"