+ /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 1048576 -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: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 10:45:46 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -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 10:45:46 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 = 1 MiB 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 = 213719711744. read 6639 19660800 1024.00 0.501391 30.20 0.000836 30.70 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576980377600. WARNING: Using actual aggregate bytes moved = 216062230528. read 6823 19660800 1024.00 0.003893 30.20 0.001191 30.20 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576980377600. WARNING: Using actual aggregate bytes moved = 218766508032. read 6911 19660800 1024.00 0.004452 30.18 0.001408 30.19 2 Max Read: 6911.29 MiB/sec (7247.01 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 6911.29 6639.35 6791.08 113.24 30.36242 0 128 8 3 0 0 1 0 0 1 20132659200 1048576 213719711744 MPIIO 0 Finished: Wed Oct 24 10:47:17 2018 + set +x