+ /opt/ddn/mvapich/bin/mpiexec -ppn 4 -np 16 -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 1048576 -b 40265318400 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread4/file -r + tee -a ./output_v2/COUNT:1#NN:4#PPN:4#API:MPIIO#T:1048576#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 09:38:50 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 40265318400 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread4/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 09:38:50 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 = 16 (4 per node) repetitions = 3 xfersize = 1 MiB blocksize = 37.50 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 = 59221475328. read 1875.45 39321600 1024.00 0.015676 30.10 0.000402 30.11 0 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644245094400. WARNING: Using actual aggregate bytes moved = 59553873920. read 1889.75 39321600 1024.00 0.001022 30.05 0.000718 30.05 1 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644245094400. WARNING: Using actual aggregate bytes moved = 59897806848. read 1898.25 39321600 1024.00 0.000989 30.09 0.000725 30.09 2 Max Read: 1898.25 MiB/sec (1990.46 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 1898.25 1875.45 1887.82 9.41 30.08701 0 16 4 3 0 0 1 0 0 1 40265318400 1048576 59221475328 MPIIO 0 Finished: Wed Oct 24 09:40:20 2018 + set +x