IOR-3.2.0: MPI Coordinated Test of Parallel I/O Began : Thu Nov 8 15:34:48 2018 Command line : /home/jburto2/io-500-dev/bin/ior -w -C -Q 1 -g -G 27 -k -e -t 4m -b 38400m -F -a MPIIO -o /mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-15.34.45/ior_easy/ior_file_easy -O stoneWallingStatusFile=/mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-15.34.45/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux pvfs017-ib0.palmetto.clemson.edu TestID : 0 StartTime : Thu Nov 8 15:34:48 2018 Path : /mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-15.34.45/ior_easy FS : 144.2 TiB Used FS: 12.2% Inodes: 284.9 Mi Used Inodes: 0.0% Options: api : MPIIO apiVersion : (3.0) test filename : /mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-15.34.45/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 tasks : 128 clients per node : 8 repetitions : 1 xfersize : 4 MiB blocksize : 37.50 GiB aggregate filesize : 4.69 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: 3502 max: 9600 -- min data: 13.7 GiB mean data: 32.5 GiB time: 301.5s write 12775 39321600 4096 0.011520 384.70 0.055057 384.77 0 Max Write: 12774.51 MiB/sec (13395.04 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 12774.51 12774.51 12774.51 0.00 3193.63 3193.63 3193.63 0.00 384.76631 0 128 8 1 1 1 1 0 0 1 40265318400 4194304 4915200.0 MPIIO 0 Finished : Thu Nov 8 15:41:13 2018