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 18:41:44 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 35295068160 -o /esfs/jtacquaviva/iorperf/file -a MPIIO -e -g -z -k -w Machine: Linux isc17-c02 Test 0 started: Sat Oct 20 18:41:44 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 = 10 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 = 140110725120. write 2297.85 34467840 10240 0.001558 58.15 0.000256 58.15 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141348044800. write 2330.01 34467840 10240 0.215638 57.64 0.000246 57.85 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 142113505280. write 2311.06 34467840 10240 0.083370 58.56 0.000230 58.64 2 Max Write: 2330.01 MiB/sec (2443.19 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 2330.01 2297.85 2312.97 13.20 58.21601 0 4 4 3 0 0 1 0 0 1 35295068160 10485760 140110725120 MPIIO 0 Finished: Sat Oct 20 18:44:50 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 18:44:51 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -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 18:44:51 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 = 4 (4 per node) repetitions = 3 xfersize = 10 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 = 140781813760. read 2392.47 34467840 10240 0.031971 56.09 0.000252 56.12 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 141012500480. read 2450.89 34467840 10240 0.000730 54.87 0.000188 54.87 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 140855214080. read 2388.63 34467840 10240 0.000714 56.24 0.000197 56.24 2 Max Read: 2450.89 MiB/sec (2569.94 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 2450.89 2388.63 2410.66 28.48 55.74164 0 4 4 3 0 0 1 0 0 1 35295068160 10485760 140781813760 MPIIO 0 Finished: Sat Oct 20 18:47:38 2018 /esfs/jtacquaviva/iorperf stripe_count: 2 stripe_size: 1048576 stripe_offset: -1