IOR-3.1.0: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Fri Nov 9 20:10:15 2018 Command line used: /hpcscratch/user/pllopiss/src/io-500-dev/bin/ior -r -R -C -Q 1 -g -G 27 -k -e -t 16m -b 16m -F -s 1860 -o /bescratch/user/pllopiss/datafiles/io500.2018.11.09-19.44.23/ior_easy/ior_file_easy Machine: Linux hpc-be001.cern.ch Test 0 started: Fri Nov 9 20:10:15 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /bescratch/user/pllopiss/datafiles/io500.2018.11.09-19.44.23/ior_easy/ior_file_easy access = file-per-process ordering in a file = sequential offsets ordering inter file= constant task offsets = 1 clients = 64 (1 per node) repetitions = 1 xfersize = 16 MiB blocksize = 16 MiB aggregate filesize = 1860 GiB access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- read 7587 16384 16384 0.013876 251.02 0.000379 251.03 0 Max Read: 7587.30 MiB/sec (7955.86 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum read 7587.30 7587.30 7587.30 0.00 251.03007 0 64 1 1 1 1 1 0 0 1860 16777216 16777216 1997159792640 MPIIO 0 Finished: Fri Nov 9 20:14:26 2018