IOR-3.1.0: MPI Coordinated Test of Parallel I/O

ior WARNING: fsync() only available in POSIX.  Using value of 0.
Began: Thu Nov 23 19:12:17 2017
Command line used: /work/xg17i000/x10007/io-500-dev/bin/ior -w -C -Q 1 -g -G 27 -k -e -t 2048k -b 4g -F -o /work/xg17i000/x10007/io-500-dev/datafiles/io500.2017.11.23-19.12.08/ior_easy/ior_file_easy
Machine: Linux c1282.ofp

Test 0 started: Thu Nov 23 19:12:17 2017
Summary:
	api                = MPIIO (version=3, subversion=1)
	test filename      = /work/xg17i000/x10007/io-500-dev/datafiles/io500.2017.11.23-19.12.08/ior_easy/ior_file_easy
	access             = file-per-process
	ordering in a file = sequential offsets
	ordering inter file= constant task offsets = 1
	clients            = 8192 (32 per node)
	repetitions        = 1
	xfersize           = 2 MiB
	blocksize          = 4 GiB
	aggregate filesize = 32768 GiB

access    bw(MiB/s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ---------- ---------  --------   --------   --------   --------   ----
write     89116      4194304    2048.00    0.423151   376.08     0.024756   376.52     0   

Max Write: 89116.26 MiB/sec (93445.18 MB/sec)

Summary of all tests:
Operation   Max(MiB)   Min(MiB)  Mean(MiB)     StdDev    Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum
write       89116.26   89116.26   89116.26       0.00  376.52422 0 8192 32 1 1 1 1 0 0 1 4294967296 2097152 35184372088832 MPIIO 0

Finished: Thu Nov 23 19:18:34 2017