/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 17371.8575 Rate (MB/s) 1 2 20761.7187 Rate (MB/s) 1.19513 3 16072.0096 Rate (MB/s) 0.925173 4 14782.7143 Rate (MB/s) 0.850956 5 16020.7991 Rate (MB/s) 0.922225 6 15970.6987 Rate (MB/s) 0.919341 7 16320.0814 Rate (MB/s) 0.939453 8 16972.2456 Rate (MB/s) 0.976994 9 16703.7666 Rate (MB/s) 0.961539 10 17393.4144 Rate (MB/s) 1.00124 11 18607.8213 Rate (MB/s) 1.07114 12 19109.6893 Rate (MB/s) 1.10003 13 33486.0629 Rate (MB/s) 1.9276 14 27532.3760 Rate (MB/s) 1.58488 15 31270.0777 Rate (MB/s) 1.80004 16 34060.6470 Rate (MB/s) 1.96067 ------------------------------------------------ See graph in the file src/benchmarks/streams/MPIscaling.png