+ /opt/ddn/mvapich/bin/mpiexec -ppn 2 -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,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 1048576 -b 80530636800 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread16/file -r + tee -a ./output_v2/COUNT:1#NN:16#PPN:2#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 10:52:49 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 80530636800 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread16/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 10:52:49 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 = 32 (2 per node) repetitions = 3 xfersize = 1 MiB blocksize = 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 = 80519102464. read 2546.72 78643200 1024.00 0.010515 30.14 0.000936 30.15 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576980377600. WARNING: Using actual aggregate bytes moved = 80268492800. read 2538.86 78643200 1024.00 0.001529 30.15 0.000931 30.15 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576980377600. WARNING: Using actual aggregate bytes moved = 80049340416. read 2531.95 78643200 1024.00 0.001903 30.15 0.000892 30.15 2 Max Read: 2546.72 MiB/sec (2670.42 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 2546.72 2531.95 2539.18 6.03 30.15150 0 32 2 3 0 0 1 0 0 1 80530636800 1048576 80519102464 MPIIO 0 Finished: Wed Oct 24 10:54:19 2018 + set +x