IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Fri Jul 10 17:29:02 2020 Command line : /scratch/prjssisd/andrercsd/teste-parallel-io/io-500/2020/io500-app.intel.2018/bin/ior -r -R -a POSIX -t 4m -v -b 992000m -F -i 1 -C -Q 1 -g -G 27 -k -e -o ./posix+striping+4mb_tx_easy/datafiles/2020.07.10-16.18.50-scr/ior_easy/ior_file_easy -O stoneWallingStatusFile=./posix+striping+4mb_tx_easy/datafiles/2020.07.10-16.18.50-scr/ior_easy/stonewall Machine : Linux sdumont5000 Start time skew across all tasks: 0.00 sec TestID : 0 StartTime : Fri Jul 10 17:29:02 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_easy FS : 1680.3 TiB Used FS: 46.2% Inodes: 1737.3 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_easy/ior_file_easy access : file-per-process type : independent segments : 1 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 : 4 MiB blocksize : 968.75 GiB aggregate filesize : 227.05 TiB Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- Commencing read performance test: Fri Jul 10 17:29:02 2020 WARNING: Expected aggregate file size = 249644974080000. WARNING: Stat() of aggregate file size = 41060558438400. WARNING: Using actual aggregate bytes moved = 41060558438400. read 14898 3725 0.010598 1015808000 4096 0.017396 2628.36 0.011767 2628.39 0 Max Read: 14898.26 MiB/sec (15621.95 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 14898.26 14898.26 14898.26 0.00 3724.56 3724.56 3724.56 0.00 2628.38797 NA NA 0 240 24 1 1 1 1 0 0 1 1040187392000 4194304 39158400.0 POSIX 0 Finished : Fri Jul 10 18:12:50 2020