+ /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 4 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread2/file -r + tee -a ./output_v2/COUNT:1#NN:2#PPN:2#API:MPIIO#T:16384#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 09:26:54 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread2/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 09:26:54 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/sharedread2/file access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 4 (2 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 75 GiB aggregate filesize = 300 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 = 322122547200. WARNING: Stat() of aggregate file size = 322122547200. WARNING: Using actual aggregate bytes moved = 1972912128. read 60.03 78643200 16.00 0.013065 31.33 0.004391 31.34 0 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322122547200. WARNING: Using actual aggregate bytes moved = 1941422080. read 59.10 78643200 16.00 0.004769 31.32 0.004360 31.33 1 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322122547200. WARNING: Using actual aggregate bytes moved = 1941667840. read 59.10 78643200 16.00 0.004769 31.33 0.004385 31.33 2 Max Read: 60.03 MiB/sec (62.95 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 60.03 59.10 59.41 0.44 31.33426 0 4 2 3 0 0 1 0 0 1 80530636800 16384 1972912128 MPIIO 0 Finished: Wed Oct 24 09:28:28 2018 + set +x