IOR-3.3alpha1: MPI Coordinated Test of Parallel I/O Began : Wed Jun 5 10:07:09 2019 Command line : /data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/bin/ior -w -s 75000 -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/datafiles.e8/io500.2019.06.05-09.54.40/ior_hard/IOR_file -O stoneWallingStatusFile=/data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/datafiles.e8/io500.2019.06.05-09.54.40/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux sdv29 TestID : 0 StartTime : Wed Jun 5 10:07:09 2019 Path : /data/scratch/aaw360/io-500/io500.2019.06.05-09.54.40/ior_hard FS : 120.0 TiB Used FS: 27.6% Inodes: 314.9 Mi Used Inodes: 11.5% Options: api : POSIX apiVersion : test filename : /data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/datafiles.e8/io500.2019.06.05-09.54.40/ior_hard/IOR_file access : single-shared-file type : independent segments : 75000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 tasks : 240 clients per node : 24 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 788.03 GiB 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: 28013 max: 28757 -- min data: 1.2 GiB mean data: 1.2 GiB time: 300.0s WARNING: Expected aggregate file size = 846144000000. WARNING: Stat() of aggregate file size = 324434173440. WARNING: Using actual aggregate bytes moved = 324434173440. WARNING: maybe caused by deadlineForStonewalling write 1002.00 45.91 45.91 0.005404 308.77 0.012823 308.79 0 Max Write: 1002.00 MiB/sec (1050.67 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggs(MiB) API RefNum write 1002.00 1002.00 1002.00 0.00 22350.86 22350.86 22350.86 0.00 308.78814 0 240 24 1 0 1 1 0 0 75000 47008 47008 309404.5 POSIX 0 Finished : Wed Jun 5 10:12:18 2019