+ /opt/ddn/mvapich/bin/mpiexec -ppn 8 -np 32 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05,isc17-c06,isc17-c07 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 20132659200 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread4/file -r + tee -a ./output_v2/COUNT:1#NN:4#PPN:8#API:MPIIO#T:102400#TYPE:read.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Wed Oct 24 09:45:38 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 20132659200 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread4/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 09:45:38 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/sharedread4/file access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 32 (8 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 18.75 GiB aggregate filesize = 600 GiB Using stonewalling = 30 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 = 644245094400. WARNING: Stat() of aggregate file size = 644245094400. WARNING: Using actual aggregate bytes moved = 22090342400. read 693.91 19660800 100.00 0.014762 30.35 0.006049 30.36 0 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644245094400. WARNING: Using actual aggregate bytes moved = 22098227200. read 694.20 19660800 100.00 0.007519 30.36 0.005887 30.36 1 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644245094400. WARNING: Using actual aggregate bytes moved = 22085017600. read 693.81 19660800 100.00 0.007168 30.35 0.006292 30.36 2 Max Read: 694.20 MiB/sec (727.92 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 694.20 693.81 693.97 0.16 30.35828 0 32 8 3 0 0 1 0 0 1 20132659200 102400 22090342400 MPIIO 0 Finished: Wed Oct 24 09:47:09 2018 + set +x