IOR-3.2.0: MPI Coordinated Test of Parallel I/O Began : Sun Nov 11 22:04:44 2018 Command line : /scratch/io-500-dev-master/bin/ior -r -R -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -s 86000 -o /lustre/gcp/io500/datafiles/io500.2018.11.11-21.32.04/ior_hard/IOR_file -O stoneWallingStatusFile=/lustre/gcp/io500/datafiles/io500.2018.11.11-21.32.04/ior_hard/stonewall Machine : Linux lgcp-client1 TestID : 0 StartTime : Sun Nov 11 22:04:44 2018 Path : /lustre/gcp/io500/datafiles/io500.2018.11.11-21.32.04/ior_hard FS : 140.0 TiB Used FS: 3.5% Inodes: 2400.0 Mi Used Inodes: 0.9% Options: api : POSIX apiVersion : test filename : /lustre/gcp/io500/datafiles/io500.2018.11.11-21.32.04/ior_hard/IOR_file access : single-shared-file type : independent segments : 86000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 tasks : 80 clients per node : 10 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 301.20 GiB Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- read 1788.30 45.91 45.91 0.024545 172.44 0.007091 172.47 0 Max Read: 1788.30 MiB/sec (1875.17 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 aggs(MiB) API RefNum read 1788.30 1788.30 1788.30 0.00 39890.40 39890.40 39890.40 0.00 172.47258 0 80 10 1 0 1 1 0 0 86000 47008 47008 308432.6 POSIX 0 Finished : Sun Nov 11 22:07:37 2018