/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 15138.1962 Rate (MB/s) 1 2 13534.6558 Rate (MB/s) 0.894073 3 14443.8201 Rate (MB/s) 0.954131 4 15504.1080 Rate (MB/s) 1.02417 5 16153.8493 Rate (MB/s) 1.06709 6 15617.7037 Rate (MB/s) 1.03168 7 16408.3793 Rate (MB/s) 1.08391 8 17886.1005 Rate (MB/s) 1.18152 9 16864.2214 Rate (MB/s) 1.11402 10 17355.7676 Rate (MB/s) 1.14649 11 19362.6673 Rate (MB/s) 1.27906 12 27686.2242 Rate (MB/s) 1.8289 13 23840.6189 Rate (MB/s) 1.57486 14 26774.0858 Rate (MB/s) 1.76864 15 33302.2224 Rate (MB/s) 2.19988 16 34862.7001 Rate (MB/s) 2.30296 ------------------------------------------------ See graph in the file src/benchmarks/streams/MPIscaling.png