IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Thu Dec 19 06:51:20 2019 Command line : /io500/io500-sc19/bin/ior -r -R -s 1900000 -a POSIX --posix.odirect -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /io500/io500-sc19/datafiles/io500.2019.12.19-06.01.15/ior_hard/IOR_file -O stoneWallingStatusFile=/io500/io500-sc19/datafiles/io500.2019.12.19-06.01.15/ior_hard/stonewall Machine : Linux h09u01.int.janelia.org TestID : 0 StartTime : Thu Dec 19 06:51:20 2019 Path : /io500/io500-sc19/datafiles/io500.2019.12.19-06.01.15/ior_hard FS : 24861.8 TiB Used FS: 0.0% Inodes: 1377.5 Mi Used Inodes: 0.8% Options: api : POSIX apiVersion : test filename : /io500/io500-sc19/datafiles/io500.2019.12.19-06.01.15/ior_hard/IOR_file access : single-shared-file type : independent segments : 1900000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 tasks : 1488 clients per node : 62 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 120.87 TiB Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- WARNING: Expected aggregate file size = 132901017600000. WARNING: Stat() of aggregate file size = 609595983360. WARNING: Using actual aggregate bytes moved = 609595983360. read 3845 45.91 45.91 0.037358 151.18 0.000692 151.21 0 Max Read: 3844.59 MiB/sec (4031.35 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 read 3844.59 3844.59 3844.59 0.00 85758.77 85758.77 85758.77 0.00 151.21392 NA NA 0 1488 62 1 0 1 1 0 0 1900000 47008 47008 581356.1 POSIX 0 Finished : Thu Dec 19 06:53:51 2019