+ /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 16 -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/git/ime-evaluation/drop_caches.sh + tee -a ./output/COUNT:1#NN:8#PPN:2#API:MPIIO#T:16384.txt + /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 16 -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 80530636800 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r 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 07:38:19 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 07:38:19 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/file_read access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 16 (2 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 75 GiB aggregate filesize = 1200 GiB Using stonewalling = 60 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 = 4517768724480. WARNING: Using actual aggregate bytes moved = 1962360832. read 29.07 78643200 16.00 0.014638 64.36 0.001892 64.37 0 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 1974894592. read 29.27 78643200 16.00 0.002467 64.35 0.001945 64.36 1 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 1981202432. read 29.36 78643200 16.00 0.002380 64.36 0.002002 64.36 2 Max Read: 29.36 MiB/sec (30.78 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 29.36 29.07 29.23 0.12 64.36194 0 16 2 3 0 0 1 0 0 1 80530636800 16384 1962360832 MPIIO 0 Finished: Wed Oct 24 07:41:32 2018 + set +x /esfs/jtacquaviva/ioperf stripe_count: 16 stripe_size: 1048576 stripe_offset: -1 /esfs/jtacquaviva/ioperf/file_write lmm_stripe_count: 8 lmm_stripe_size: 1048576 lmm_pattern: 1 lmm_layout_gen: 0 lmm_stripe_offset: 5 obdidx objid objid group 5 12387130 0xbd033a 0 6 12600376 0xc04438 0 0 12428779 0xbda5eb 0 2 12575126 0xbfe196 0 4 12516852 0xbefdf4 0 7 12465488 0xbe3550 0 1 12646767 0xc0f96f 0 3 12495071 0xbea8df 0