/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 -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=24' 1 6195.5197 Rate (MB/s) 1 2 13625.7252 Rate (MB/s) 2.19929 3 13147.5123 Rate (MB/s) 2.1221 4 17849.9869 Rate (MB/s) 2.88111 5 15226.9751 Rate (MB/s) 2.45774 6 14946.6924 Rate (MB/s) 2.4125 7 15473.8721 Rate (MB/s) 2.49759 8 16191.4772 Rate (MB/s) 2.61342 9 16269.0466 Rate (MB/s) 2.62594 10 15926.1718 Rate (MB/s) 2.57059 11 15053.2139 Rate (MB/s) 2.42969 12 16095.4097 Rate (MB/s) 2.59791 13 16337.4979 Rate (MB/s) 2.63699 14 16300.3646 Rate (MB/s) 2.63099 15 16078.7252 Rate (MB/s) 2.59522 16 16687.7558 Rate (MB/s) 2.69352 17 16746.7402 Rate (MB/s) 2.70304 18 16145.7394 Rate (MB/s) 2.60603 19 16034.5265 Rate (MB/s) 2.58808 20 16757.3981 Rate (MB/s) 2.70476 21 20530.6769 Rate (MB/s) 3.31379 22 20815.1449 Rate (MB/s) 3.35971 23 21132.8811 Rate (MB/s) 3.41099 24 27064.4860 Rate (MB/s) 4.3684 ------------------------------------------------ See graph in the file src/benchmarks/streams/MPIscaling.png