IOR-3.3alpha1: MPI Coordinated Test of Parallel I/O
Began               : Sun Jun  9 15:48:28 2019
Command line        : /mnt/rpool/io-500-dev/bin/ior -r -R -s 100000 -a MPIIO -c -p -H -U /mnt/rpool/io-500-dev/romio-hints -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /mnt/rpool/io-500-dev/datafiles/io500.2019.06.09-15.16.42/ior_hard/IOR_file -O stoneWallingStatusFile=/mnt/rpool/io-500-dev/datafiles/io500.2019.06.09-15.16.42/ior_hard/stonewall
Machine             : Linux jp1.eag.rdlabs.hpecorp.net
TestID              : 0
StartTime           : Sun Jun  9 15:48:28 2019
Path                : /mnt/rpool/io-500-dev/datafiles/io500.2019.06.09-15.16.42/ior_hard
FS                  : 130.6 TiB   Used FS: 26.6%   Inodes: 5350.0 Mi   Used Inodes: 0.3%

Options: 
api                 : MPIIO
apiVersion          : (3.1)
test filename       : /mnt/rpool/io-500-dev/datafiles/io500.2019.06.09-15.16.42/ior_hard/IOR_file
access              : single-shared-file
type                : collective
segments            : 100000
ordering in a file  : sequential
ordering inter file : constant task offset
task offset         : 1
tasks               : 200
clients per node    : 20
repetitions         : 1
xfersize            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 875.59 GiB

Results: 

access    bw(MiB/s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ---------- ---------  --------   --------   --------   --------   ----

hints passed to MPI_File_open() {
	direct_read = true
	direct_write = true
	romio_cb_read = disable
	romio_cb_write = enable
	cb_buffer_size = 1073741824
	cb_nodes = 1
	cb_config_list = *:*
	romio_ds_write = enable
	ind_wr_buffer_size = 1073741824
}

hints returned from opened file {
	direct_read = true
	direct_write = true
	cb_buffer_size = 1073741824
	romio_cb_read = disable
	romio_cb_write = enable
	cb_nodes = 1
	romio_no_indep_rw = false
	romio_cb_pfr = disable
	romio_cb_fr_types = aar
	romio_cb_fr_alignment = 1
	romio_cb_ds_threshold = 0
	romio_cb_alltoall = automatic
	ind_rd_buffer_size = 4194304
	ind_wr_buffer_size = 1073741824
	romio_ds_read = automatic
	romio_ds_write = enable
	cb_config_list = *:*
	romio_filesystem_type = XFS: SGI XFS
	romio_aggregator_list = 0 
}
WARNING: Expected aggregate file size       = 940160000000.
WARNING: Stat() of aggregate file size      = 940160000000.
WARNING: Using actual aggregate bytes moved = 443182022400.
read      16874      45.91      45.91      0.032566   25.01      0.000839   25.05      0   
Max Read:  16874.47 MiB/sec (17694.16 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
read        16874.47   16874.47   16874.47       0.00  376407.45  376407.45  376407.45       0.00   25.04679     0    200  20    1   0     1        1         0    0 100000    47008    47008  422651.3 MPIIO      0
Finished            : Sun Jun  9 15:48:53 2019