IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Thu Oct 3 22:46:33 2019 Command line : /gpfs/fs1/io-500-dev-master/bin/ior -w -s 95000 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /gpfs/fs1/io-500-dev-master/datafiles/io500.2019.10.03-22.20.19/ior_hard/IOR_file -O stoneWallingStatusFile=/gpfs/fs1/io-500-dev-master/datafiles/io500.2019.10.03-22.20.19/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux ss-compute-1 TestID : 0 StartTime : Thu Oct 3 22:46:33 2019 Path : /gpfs/fs1/io-500-dev-master/datafiles/io500.2019.10.03-22.20.19/ior_hard FS : 189.1 TiB Used FS: 22.7% Inodes: 581.7 Mi Used Inodes: 23.1% Options: api : POSIX apiVersion : test filename : /gpfs/fs1/io-500-dev-master/datafiles/io500.2019.10.03-22.20.19/ior_hard/IOR_file access : single-shared-file type : independent segments : 95000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 tasks : 480 clients per node : 16 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 1.95 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: 35695 max: 95000 -- min data: 1.6 GiB mean data: 2.4 GiB time: 300.6s write 3693 45.91 45.91 0.034381 553.38 0.094786 553.51 0 Max Write: 3693.26 MiB/sec (3872.67 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 3693.26 3693.26 3693.26 0.00 82383.17 82383.17 82383.17 0.00 553.51111 300.57 3990.28 0 480 16 1 0 1 1 0 0 95000 47008 47008 2044262.8 POSIX 0 Finished : Thu Oct 3 22:55:47 2019