/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 6411.9220 Rate (MB/s) 1 2 11826.6895 Rate (MB/s) 1.84448 3 13944.0506 Rate (MB/s) 2.17471 4 11613.1844 Rate (MB/s) 1.81119 5 13960.7430 Rate (MB/s) 2.17731 6 14630.0148 Rate (MB/s) 2.28169 7 15812.6401 Rate (MB/s) 2.46613 8 14414.2066 Rate (MB/s) 2.24803 9 15766.5681 Rate (MB/s) 2.45895 10 14444.0974 Rate (MB/s) 2.25269 11 15769.5970 Rate (MB/s) 2.45942 12 14191.0182 Rate (MB/s) 2.21322 13 16364.0294 Rate (MB/s) 2.55213 14 16232.2959 Rate (MB/s) 2.53158 15 16232.5779 Rate (MB/s) 2.53163 16 16234.1817 Rate (MB/s) 2.53188 17 15146.7053 Rate (MB/s) 2.36227 18 15628.2378 Rate (MB/s) 2.43737 19 16183.8537 Rate (MB/s) 2.52403 20 20338.3651 Rate (MB/s) 3.17196 21 20420.6375 Rate (MB/s) 3.18479 22 21523.2492 Rate (MB/s) 3.35676 23 20493.9792 Rate (MB/s) 3.19623 24 19610.8853 Rate (MB/s) 3.0585 ------------------------------------------------ See graph in the file src/benchmarks/streams/MPIscaling.png