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 18:00:59 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 23530045440 -o /esfs/jtacquaviva/iorperf/file -a MPIIO -e -g -z -k -w Machine: Linux isc17-c02 Test 0 started: Sat Oct 20 18:00:59 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 = 6 (6 per node) repetitions = 3 xfersize = 1 MiB blocksize = 21.91 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 = 141444513792. write 1302.51 22978560 1024.00 0.001642 103.56 0.000348 103.56 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141187612672. write 1338.51 22978560 1024.00 0.276888 100.32 0.000292 100.59 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179224064. WARNING: Using actual aggregate bytes moved = 141331267584. write 1315.71 22978560 1024.00 0.261772 102.18 0.000263 102.44 2 Max Write: 1338.51 MiB/sec (1403.53 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 1338.51 1302.51 1318.91 14.87 102.19986 0 6 6 3 0 0 1 0 0 1 23530045440 1048576 141444513792 MPIIO 0 Finished: Sat Oct 20 18:06:16 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 18:06:18 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 23530045440 -o /esfs/jtacquaviva/iorperf/file -a MPIIO -e -g -z -k -r -D 300 Machine: Linux isc17-c02 Test 0 started: Sat Oct 20 18:06:18 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 = 6 (6 per node) repetitions = 3 xfersize = 1 MiB blocksize = 21.91 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 = 140790202368. read 3769 22978560 1024.00 0.002009 35.62 0.000244 35.62 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179224064. WARNING: Using actual aggregate bytes moved = 141249478656. read 3659 22978560 1024.00 0.000938 36.82 0.000232 36.82 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179224064. WARNING: Using actual aggregate bytes moved = 141186564096. read 3555.19 22978560 1024.00 0.000880 37.87 0.000201 37.87 2 Max Read: 3769.36 MiB/sec (3952.46 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 3769.36 3555.19 3661.13 87.45 36.77023 0 6 6 3 0 0 1 0 0 1 23530045440 1048576 140790202368 MPIIO 0 Finished: Sat Oct 20 18:08:09 2018 /esfs/jtacquaviva/iorperf stripe_count: 2 stripe_size: 1048576 stripe_offset: -1