IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Mon Nov 11 18:18:04 2019 Command line : /vol7/io500_20190930/bin/ior -w -a=POSIX --posix.odirect -t 1m -C -b 352g -F -i 1 -C -Q 1 -g -G 27 -k -e -o /vol7/io500_20190930/datafiles/io500.2019.11.11-18.18.04/ior_easy/ior_file_easy -O stoneWallingStatusFile=/vol7/io500_20190930/datafiles/io500.2019.11.11-18.18.04/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux node1 TestID : 0 StartTime : Mon Nov 11 18:18:04 2019 Path : /vol7/io500_20190930/datafiles/io500.2019.11.11-18.18.04/ior_easy FS : 818.4 TiB Used FS: 1.7% Inodes: 3309.4 Mi Used Inodes: 0.1% Options: api : POSIX apiVersion : test filename : /vol7/io500_20190930/datafiles/io500.2019.11.11-18.18.04/ior_easy/ior_file_easy access : file-per-process type : independent segments : 1 ordering in a file : sequential tasks : 160 clients per node : 16 repetitions : 1 xfersize : 1 MiB blocksize : 352 GiB aggregate filesize : 55 TiB stonewallingTime : 300 stoneWallingWearOut : 1 Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 327710 max: 353572 -- min data: 320.0 GiB mean data: 335.8 GiB time: 300.0s write 176369 369098752 1024.00 0.016187 326.98 0.004668 326.99 0 Max Write: 176369.34 MiB/sec (184936.65 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) StdDev Mean(s) Stonewall(s) Stonewall(MiB) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggs(MiB) API RefNum write 176369.34 176369.34 176369.34 0.00 176369.34 176369.34 176369.34 0.00 326.99380 300.01 183375.33 0 160 16 1 1 2 1 0 0 1 377957122048 1048576 57671680.0 POSIX 0 Finished : Mon Nov 11 18:23:31 2019