/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 17367.1745 Rate (MB/s) 1 2 14650.3543 Rate (MB/s) 0.843565 3 15836.2115 Rate (MB/s) 0.911846 4 15779.8196 Rate (MB/s) 0.908599 5 16628.1614 Rate (MB/s) 0.957446 6 17250.0285 Rate (MB/s) 0.993253 7 17330.3711 Rate (MB/s) 0.997879 8 17630.5012 Rate (MB/s) 1.01516 9 21417.3474 Rate (MB/s) 1.23321 10 25246.4544 Rate (MB/s) 1.45369 11 28634.6716 Rate (MB/s) 1.64878 12 30343.7401 Rate (MB/s) 1.74719 13 24253.3453 Rate (MB/s) 1.3965 14 34405.3700 Rate (MB/s) 1.98105 15 42465.7818 Rate (MB/s) 2.44517 16 29289.1067 Rate (MB/s) 1.68646 ------------------------------------------------ See graph in the file src/benchmarks/streams/MPIscaling.png