IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Thu Jul 9 00:01:06 2020 Command line : ./ior -C -Q 1 -g -G 271 -k -e -o /scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-easy/ior_file_easy -O stoneWallingStatusFile=/scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-easy/stonewall -t 512k -b 9920000m -w -D 300 -O stoneWallingWearOut=1 -a POSIX --posix.odirect Machine : Linux node0026 TestID : 0 StartTime : Thu Jul 9 00:01:06 2020 Path : /scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-easy FS : 18679.1 TiB Used FS: 41.1% Inodes: 3993.6 Mi Used Inodes: 12.1% Options: api : POSIX apiVersion : test filename : /scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-easy/ior_file_easy access : single-shared-file type : independent segments : 1 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 2048 tasks : 2048 clients per node : 1 repetitions : 1 xfersize : 524288 bytes blocksize : 9.46 TiB aggregate filesize : 19375 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: 187995 max: 328939 -- min data: 91.8 GiB mean data: 118.2 GiB time: 300.4s WARNING: Expected aggregate file size = 21303037788160000. WARNING: Stat() of aggregate file size = 21292808373010432. WARNING: Using actual aggregate bytes moved = 353195561844736. WARNING: maybe caused by deadlineForStonewalling write 806622 1613345 0.000017 10158080000 512.00 0.024491 417.56 0.003990 417.59 0 Max Write: 806621.75 MiB/sec (845804.21 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 806621.75 806621.75 806621.75 0.00 1613243.50 1613243.50 1613243.50 0.00 417.58549 300.40 824842.43 0 2048 1 1 0 1 1 0 0 1 10401873920000 524288 336833536.0 POSIX 0 Finished : Thu Jul 9 00:08:04 2020