IOR-3.1.0: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX/MMAP. Using value of 0. Began: Sat May 12 17:03:48 2018 Command line used: /home/dkrz/k202079/work/io-500/io-500-dev/bin/ior -w -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -s 12000 -a MPIIO -E -o /mnt/lustre02/ior-test/io500/datafiles//ior_hard/IOR_file Machine: Linux m20036 Test 0 started: Sat May 12 17:03:48 2018 Summary: api = MPIIO (version=2, subversion=1) test filename = /mnt/lustre02/ior-test/io500/datafiles//ior_hard/IOR_file access = single-shared-file ordering in a file = sequential offsets ordering inter file= constant task offsets = 1 clients = 1200 (12 per node) repetitions = 1 xfersize = 47008 bytes blocksize = 47008 bytes aggregate filesize = 630.43 GiB access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- write 1865.22 45.91 45.91 4.73 341.43 0.086271 346.10 0 Max Write: 1865.22 MiB/sec (1955.83 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum write 1865.22 1865.22 1865.22 0.00 41606.26 41606.26 41606.26 0.00 346.10178 0 1200 12 1 0 1 1 0 0 12000 47008 47008 676915200000 MPIIO 0 Finished: Sat May 12 17:09:34 2018