/pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/virtual_env_python/bin/python3 /pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/repo-petsc-main-debug/config/gmakegentest.py --petsc-dir=/pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/repo-petsc-main-debug --petsc-arch=arch-linux-c-debug --testdir=./arch-linux-c-debug/tests --srcdir /pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/repo-petsc-main-debug/src --pkg-pkgs "sys vec mat dm ksp snes ts tao" /opt/mpi/openmpi-4.1.6-opt/bin/mpicc -o MPIVersion.o -c -fPIC -Wall -Wwrite-strings -Wno-unknown-pragmas -Wno-lto-type-mismatch -Wno-stringop-overflow -fstack-protector -Wall -Wwrite-strings -Wno-unknown-pragmas -Wno-lto-type-mismatch -Wno-stringop-overflow -fstack-protector -g3 -O0 -I/pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/repo-petsc-main-debug/include -I/pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/repo-petsc-main-debug/arch-linux-c-debug/include -I/pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/petsc-main-debug/include -I/pmi/cmpbib/compilation_BIB_fedora_39_petsc_master_mkl_openmpi_gpp/COMPILE_AUTO/petsc-main-debug/include/suitesparse -I/opt/intel/oneapi/mkl/2024.1/include -I/opt/mpi/openmpi-4.1.6-opt/include MPIVersion.c Running streams with '/opt/mpi/openmpi-4.1.6-opt/bin/mpiexec --oversubscribe ' using 'NPMAX=16' 1 12028.3840 Rate (MB/s) 2 22366.1708 Rate (MB/s) 1.85945 3 22541.6435 Rate (MB/s) 1.87404 4 22053.2076 Rate (MB/s) 1.83343 5 18717.2125 Rate (MB/s) 1.55608 6 16114.2365 Rate (MB/s) 1.33968 7 16819.7136 Rate (MB/s) 1.39833 8 17135.1149 Rate (MB/s) 1.42455 9 16976.4570 Rate (MB/s) 1.41136 10 17691.8552 Rate (MB/s) 1.47084 11 17603.8037 Rate (MB/s) 1.46352 12 14813.5881 Rate (MB/s) 1.23155 13 16188.2426 Rate (MB/s) 1.34584 14 16259.1512 Rate (MB/s) 1.35173 15 16282.8771 Rate (MB/s) 1.3537 16 16271.0538 Rate (MB/s) 1.35272 ------------------------------------------------ See graph in the file src/benchmarks/streams/MPIscaling.png