IOR-3.0.1: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Sat Oct 20 17:34:52 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 17647534080 -o /esfs/jtacquaviva/iorperf/file -a MPIIO -e -g -z -k -w Machine: Linux isc17-c02 Test 0 started: Sat Oct 20 17:34:52 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/iorperf/file access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 8 (8 per node) repetitions = 3 xfersize = 1 MiB blocksize = 16.44 GiB aggregate filesize = 131.48 GiB access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141318684672. write 1109.19 17233920 1024.00 0.002362 121.50 0.000341 121.51 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141104775168. write 825.23 17233920 1024.00 0.273637 162.79 0.000296 163.07 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179224064. WARNING: Using actual aggregate bytes moved = 141117358080. write 1125.67 17233920 1024.00 0.292227 119.26 0.000276 119.56 2 Max Write: 1125.67 MiB/sec (1180.35 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 1125.67 825.23 1020.03 137.91 134.70950 0 8 8 3 0 0 1 0 0 1 17647534080 1048576 141318684672 MPIIO 0 Finished: Sat Oct 20 17:41:48 2018 IOR-3.0.1: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Sat Oct 20 17:41:51 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 17647534080 -o /esfs/jtacquaviva/iorperf/file -a MPIIO -e -g -z -k -r -D 300 Machine: Linux isc17-c02 Test 0 started: Sat Oct 20 17:41:51 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/iorperf/file access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 8 (8 per node) repetitions = 3 xfersize = 1 MiB blocksize = 16.44 GiB aggregate filesize = 131.48 GiB Using stonewalling = 300 second(s) access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179224064. WARNING: Using actual aggregate bytes moved = 141240041472. read 4174 17233920 1024.00 0.011059 32.26 0.000316 32.27 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179224064. WARNING: Using actual aggregate bytes moved = 140888768512. read 4329 17233920 1024.00 0.001100 31.03 0.000286 31.04 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179224064. WARNING: Using actual aggregate bytes moved = 141495894016. read 4089 17233920 1024.00 0.001105 33.00 0.000253 33.00 2 Max Read: 4329.29 MiB/sec (4539.59 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 read 4329.29 4089.02 4197.50 99.47 32.10183 0 8 8 3 0 0 1 0 0 1 17647534080 1048576 141240041472 MPIIO 0 Finished: Sat Oct 20 17:43:27 2018 /esfs/jtacquaviva/iorperf stripe_count: 2 stripe_size: 1048576 stripe_offset: -1