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 18:26:28 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 35295068160 -o /esfs/jtacquaviva/iorperf/file -a MPIIO -e -g -z -k -w Machine: Linux isc17-c02 Test 0 started: Sat Oct 20 18:26:28 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 = 4 (4 per node) repetitions = 3 xfersize = 1 MiB blocksize = 32.87 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 = 141087997952. write 1316.52 34467840 1024.00 0.001603 102.20 0.000241 102.20 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 140818513920. write 1325.90 34467840 1024.00 0.157288 101.13 0.000279 101.29 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141232701440. write 1343.43 34467840 1024.00 0.079092 100.18 0.000244 100.26 2 Max Write: 1343.43 MiB/sec (1408.68 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 1343.43 1316.52 1328.61 11.15 101.24915 0 4 4 3 0 0 1 0 0 1 35295068160 1048576 141087997952 MPIIO 0 Finished: Sat Oct 20 18:31:43 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 18:31:44 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 35295068160 -o /esfs/jtacquaviva/iorperf/file -a MPIIO -e -g -z -k -r -D 300 Machine: Linux isc17-c02 Test 0 started: Sat Oct 20 18:31:44 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 = 4 (4 per node) repetitions = 3 xfersize = 1 MiB blocksize = 32.87 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 = 141180272640. WARNING: Using actual aggregate bytes moved = 141672054784. read 2887.71 34467840 1024.00 0.003405 46.78 0.000251 46.79 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141026131968. read 2899.53 34467840 1024.00 0.000729 46.38 0.000282 46.38 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141100580864. read 2945.94 34467840 1024.00 0.000738 45.68 0.000222 45.68 2 Max Read: 2945.94 MiB/sec (3089.04 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 2945.94 2887.71 2911.06 25.13 46.28328 0 4 4 3 0 0 1 0 0 1 35295068160 1048576 141672054784 MPIIO 0 Finished: Sat Oct 20 18:34:03 2018 /esfs/jtacquaviva/iorperf stripe_count: 2 stripe_size: 1048576 stripe_offset: -1