+ /opt/ddn/mvapich/bin/mpiexec -ppn 4 -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,isc17-c08,isc17-c09,isc17-c11,isc17-c12 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 40265318400 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread8/file -r + tee -a ./output_v2/COUNT:1#NN:8#PPN:4#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 10:29:53 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 40265318400 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread8/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 10:29:53 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/sharedread8/file access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 32 (4 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 37.50 GiB aggregate filesize = 1200 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 = 1288490188800. WARNING: Stat() of aggregate file size = 1288490188800. WARNING: Using actual aggregate bytes moved = 2995519488. read 83.46 39321600 16.00 0.008958 34.22 0.000828 34.23 0 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 1288490188800. WARNING: Using actual aggregate bytes moved = 2973417472. read 82.88 39321600 16.00 0.001794 34.21 0.000810 34.21 1 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 1288490188800. WARNING: Using actual aggregate bytes moved = 2989047808. read 83.32 39321600 16.00 0.002414 34.21 0.000858 34.21 2 Max Read: 83.46 MiB/sec (87.52 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 83.46 82.88 83.22 0.25 34.21797 0 32 4 3 0 0 1 0 0 1 40265318400 16384 2995519488 MPIIO 0 Finished: Wed Oct 24 10:31:36 2018 + set +x