IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Tue Jul 14 15:07:51 2020 Command line : /work/BMLab/Lustre/io500_isc20/io500-app/bin/ior -w -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 -O stoneWallingWearOut=1 -D 300 Machine : Linux ec01 TestID : 0 StartTime : Tue Jul 14 15:07:51 2020 Path : /ai400/datafiles/2020.07.14-14.55.35-scr/ior_hard FS : 94.9 TiB Used FS: 29.9% Inodes: 884.0 Mi Used Inodes: 13.1% 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 stonewallingTime : 300 stoneWallingWearOut : 1 Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 54600 max: 55000 -- min data: 2.4 GiB mean data: 2.4 GiB time: 300.1s write 10438 232842 300.31 45.91 45.91 0.011040 302.35 0.011695 302.37 0 Max Write: 10437.58 MiB/sec (10944.60 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 10437.58 10437.58 10437.58 0.00 232824.14 232824.14 232824.14 0.00 302.37415 300.06 10517.97 0 1280 32 1 0 1 1 0 0 55000 47008 47008 3156054.8 POSIX 0 Finished : Tue Jul 14 15:12:55 2020