+ /opt/ddn/mvapich/bin/mpiexec -ppn 8 -np 64 -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 10485760 -b 20132659200 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread8/file -r + tee -a ./output_v2/COUNT:1#NN:8#PPN:8#API:MPIIO#T:10485760#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 10:02:16 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 20132659200 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread8/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 10:02:16 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 = 64 (8 per node) repetitions = 3 xfersize = 10 MiB blocksize = 18.75 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 = 142994309120. read 4520 19660800 10240 0.016658 30.16 0.005406 30.17 0 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 1288490188800. WARNING: Using actual aggregate bytes moved = 156866969600. read 4957 19660800 10240 0.007096 30.18 0.005671 30.18 1 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 1288490188800. WARNING: Using actual aggregate bytes moved = 157674373120. read 4985 19660800 10240 0.007500 30.16 0.005318 30.16 2 Max Read: 4985.43 MiB/sec (5227.60 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 4985.43 4520.08 4820.92 213.03 30.16993 0 64 8 3 0 0 1 0 0 1 20132659200 10485760 142994309120 MPIIO 0 Finished: Wed Oct 24 10:03:46 2018 + set +x