+ /opt/ddn/mvapich/bin/mpiexec -ppn 6 -np 12 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05 /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh + /opt/ddn/mvapich/bin/mpiexec -ppn 6 -np 12 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 23530045440 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r + tee -a ./output/COUNT:1#NN:2#PPN:6#API:MPIIO#T:16384.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Mon Oct 22 19:20:31 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 23530045440 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Mon Oct 22 19:20:31 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 = 12 (6 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 21.91 GiB aggregate filesize = 262.97 GiB Using stonewalling = 120 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 = 282360545280. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3857809408. read 30.41 22978560 16.00 0.005342 120.98 0.000483 120.98 0 WARNING: Expected aggregate file size = 282360545280. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3902521344. read 30.76 22978560 16.00 0.001297 120.98 0.000489 120.99 1 WARNING: Expected aggregate file size = 282360545280. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3955720192. read 31.18 22978560 16.00 0.001311 120.99 0.000473 120.99 2 Max Read: 31.18 MiB/sec (32.69 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 31.18 30.41 30.78 0.31 120.98708 0 12 6 3 0 0 1 0 0 1 23530045440 16384 3857809408 MPIIO 0 Finished: Mon Oct 22 19:26:34 2018 + set +x /esfs/jtacquaviva/ioperf stripe_count: 4 stripe_size: 1048576 stripe_offset: -1 /esfs/jtacquaviva/ioperf/file_write lmm_stripe_count: 4 lmm_stripe_size: 1048576 lmm_pattern: 1 lmm_layout_gen: 0 lmm_stripe_offset: 6 obdidx objid objid group 6 12591800 0xc022b8 0 0 12420186 0xbd845a 0 2 12566540 0xbfc00c 0 4 12508257 0xbedc61 0