+ /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 102400 -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: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 09:18:26 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -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 09:18:26 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 = 102400 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 = 8820633600. read 278.48 78643200 100.00 0.007858 30.20 0.003777 30.21 0 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322122547200. WARNING: Using actual aggregate bytes moved = 8893747200. read 280.79 78643200 100.00 0.004179 30.21 0.003814 30.21 1 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322122547200. WARNING: Using actual aggregate bytes moved = 8919961600. read 281.67 78643200 100.00 0.004208 30.20 0.003868 30.20 2 Max Read: 281.67 MiB/sec (295.35 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 281.67 278.48 280.31 1.34 30.20485 0 4 2 3 0 0 1 0 0 1 80530636800 102400 8820633600 MPIIO 0 Finished: Wed Oct 24 09:19:57 2018 + set +x