IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Fri Jul 10 17:04:18 2020 Command line : /scratch/prjssisd/andrercsd/teste-parallel-io/io-500/2020/io500-app.intel.2018/bin/ior -w -s 8000 -a POSIX -v -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o ./posix+striping+4mb_tx_easy/datafiles/2020.07.10-16.18.50-scr/ior_hard/IOR_file -O stoneWallingStatusFile=./posix+striping+4mb_tx_easy/datafiles/2020.07.10-16.18.50-scr/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux sdumont5000 Start time skew across all tasks: 0.00 sec TestID : 0 StartTime : Fri Jul 10 17:04:18 2020 Path : /scratch/prjssisd/andrercsd/teste-parallel-io/io-500/2020/io500-app.intel.2018/posix+striping+4mb_tx_easy/datafiles/2020.07.10-16.18.50-scr/ior_hard FS : 1680.3 TiB Used FS: 46.2% Inodes: 1737.8 Mi Used Inodes: 51.9% Participating tasks: 240 Using reorderTasks '-C' (useful to avoid read cache in client) Options: api : POSIX apiVersion : test filename : ./posix+striping+4mb_tx_easy/datafiles/2020.07.10-16.18.50-scr/ior_hard/IOR_file access : single-shared-file type : independent segments : 8000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 10 tasks : 240 clients per node : 24 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 84.06 GiB 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 ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- Commencing write performance test: Fri Jul 10 17:04:18 2020 140: stonewalling pairs accessed: 8000 141: stonewalling pairs accessed: 8000 143: stonewalling pairs accessed: 8000 231: stonewalling pairs accessed: 8000 233: stonewalling pairs accessed: 8000 234: stonewalling pairs accessed: 8000 221: stonewalling pairs accessed: 8000 222: stonewalling pairs accessed: 8000 229: 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8000 -- min data: 0.0 GiB mean data: 0.1 GiB time: 301.5s write 77.83 1736.15 851.38 45.91 45.91 0.005079 1105.90 0.006931 1105.91 0 Max Write: 77.83 MiB/sec (81.61 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 77.83 77.83 77.83 0.00 1736.13 1736.13 1736.13 0.00 1105.90756 301.53 105.66 0 240 24 1 0 1 1 0 0 8000 47008 47008 86074.2 POSIX 0 Finished : Fri Jul 10 17:22:44 2020