IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Tue Jul 14 15:28:12 2020 Command line : /work/BMLab/Lustre/io500_isc20/io500-app/bin/ior -r -R -s 55000 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /ai400/datafiles/2020.07.14-14.55.35-scr/ior_hard/IOR_file -O stoneWallingStatusFile=/ai400/datafiles/2020.07.14-14.55.35-scr/ior_hard/stonewall Machine : Linux ec01 TestID : 0 StartTime : Tue Jul 14 15:28:12 2020 Path : /ai400/datafiles/2020.07.14-14.55.35-scr/ior_hard FS : 94.9 TiB Used FS: 33.1% Inodes: 926.5 Mi Used Inodes: 17.1% Options: api : POSIX apiVersion : test filename : /ai400/datafiles/2020.07.14-14.55.35-scr/ior_hard/IOR_file access : single-shared-file type : independent segments : 55000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 40 tasks : 1280 clients per node : 32 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 3.01 TiB Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- read 73969 1650594 42.65 45.91 45.91 0.007877 42.65 0.008210 42.67 0 Max Read: 73968.78 MiB/sec (77561.89 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 73968.78 73968.78 73968.78 0.00 1649972.06 1649972.06 1649972.06 0.00 42.66739 NA NA 0 1280 32 1 0 1 1 0 0 55000 47008 47008 3156054.8 POSIX 0 Finished : Tue Jul 14 15:28:55 2020