+ /opt/ddn/mvapich/bin/mpiexec -ppn 4 -np 4 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04 /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh + tee -a ./output/COUNT:1#NN:1#PPN:4#API:MPIIO#T:102400.txt + /opt/ddn/mvapich/bin/mpiexec -ppn 4 -np 4 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 40265318400 -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 01:14:04 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 40265318400 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 01:14:04 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 = 4 (4 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 37.50 GiB aggregate filesize = 150 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 = 161061273600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3567923200. read 56.62 39321600 100.00 0.004228 60.09 0.000179 60.10 0 WARNING: Expected aggregate file size = 161061273600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3673702400. read 58.31 39321600 100.00 0.000730 60.09 0.000251 60.09 1 WARNING: Expected aggregate file size = 161061273600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3749273600. read 59.51 39321600 100.00 0.000752 60.08 0.000169 60.08 2 Max Read: 59.51 MiB/sec (62.40 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 59.51 56.62 58.15 1.19 60.08803 0 4 4 3 0 0 1 0 0 1 40265318400 102400 3567923200 MPIIO 0 Finished: Wed Oct 24 01:17:04 2018 + set +x /esfs/jtacquaviva/ioperf stripe_count: 2 stripe_size: 1048576 stripe_offset: -1 /esfs/jtacquaviva/ioperf/file_write lmm_stripe_count: 2 lmm_stripe_size: 1048576 lmm_pattern: 1 lmm_layout_gen: 0 lmm_stripe_offset: 4 obdidx objid objid group 4 12514721 0xbef5a1 0 7 12463342 0xbe2cee 0