IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Thu Jul  9 18:09:00 2020
Command line        : /gpfs/fs1/io500-app-master/bin/ior -r -R -s 95000 -a POSIX -v -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o ./datafiles/2020.07.09-15.51.08-scr/ior_hard/IOR_file -O stoneWallingStatusFile=./datafiles/2020.07.09-15.51.08-scr/ior_hard/stonewall
Machine             : Linux ss-compute-1
Start time skew across all tasks: 0.00 sec
TestID              : 0
StartTime           : Thu Jul  9 18:09:00 2020
Path                : /gpfs/fs1/io500-app-master/datafiles/2020.07.09-15.51.08-scr/ior_hard
FS                  : 390.6 TiB   Used FS: 9.8%   Inodes: 600.0 Mi   Used Inodes: 53.6%
Participating tasks: 768
Using reorderTasks '-C' (useful to avoid read cache in client)

Options: 
api                 : POSIX
apiVersion          : 
test filename       : ./datafiles/2020.07.09-15.51.08-scr/ior_hard/IOR_file
access              : single-shared-file
type                : independent
segments            : 95000
ordering in a file  : sequential
ordering inter file : constant task offset
task offset         : 1
nodes               : 48
tasks               : 768
clients per node    : 16
repetitions         : 1
xfersize            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 3.12 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: Thu Jul  9 18:09:00 2020

read      34656      774177     94.24       45.91      45.91      0.007661   94.24      0.129293   94.38      0   
Max Read:  34656.44 MiB/sec (36339.91 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        34656.44   34656.44   34656.44       0.00  773057.94  773057.94  773057.94       0.00   94.37844         NA            NA     0    768  16    1   0     1        1         0    0  95000    47008    47008 3270820.2 POSIX      0
Finished            : Thu Jul  9 18:10:35 2020