+ /opt/ddn/mvapich/bin/mpiexec -ppn 8 -np 128 -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,isc17-c13,isc17-c14,isc17-c15,isc17-c18,isc17-c22,isc17-c01,isc17-c02,isc17-c03 /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/sharedread16/file -r + tee -a ./output_v2/COUNT:1#NN:16#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 10:54:29 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/sharedread16/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 10:54:29 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/sharedread16/file access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 128 (8 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 18.75 GiB aggregate filesize = 2400 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 = 2576980377600. WARNING: Stat() of aggregate file size = 2576980377600. WARNING: Using actual aggregate bytes moved = 44640665600. read 1335.60 19660800 100.00 0.502604 31.38 0.008556 31.88 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576980377600. WARNING: Using actual aggregate bytes moved = 44677529600. read 1359.00 19660800 100.00 0.011048 31.35 0.007899 31.35 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576980377600. WARNING: Using actual aggregate bytes moved = 44529561600. read 1354.94 19660800 100.00 0.011456 31.34 0.008016 31.34 2 Max Read: 1359.00 MiB/sec (1425.01 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 1359.00 1335.60 1349.84 10.21 31.52332 0 128 8 3 0 0 1 0 0 1 20132659200 102400 44640665600 MPIIO 0 Finished: Wed Oct 24 10:56:03 2018 + set +x