+ /opt/ddn/mvapich/bin/mpiexec -ppn 1 -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,isc17-c13,isc17-c14,isc17-c15,isc17-c18,isc17-c22,isc17-c01,isc17-c02,isc17-c03 /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh + tee -a ./output/COUNT:1#NN:16#PPN:1#API:MPIIO#T:102400.txt + /opt/ddn/mvapich/bin/mpiexec -ppn 1 -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,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 102400 -b 161061273600 -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: Tue Oct 23 20:39:00 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 161061273600 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 20:39:00 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 (1 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 150 GiB aggregate filesize = 2400 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 = 2576980377600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 9434828800. read 146.58 157286400 100.00 0.013505 61.37 0.000718 61.38 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 9369497600. read 145.59 157286400 100.00 0.001391 61.37 0.000729 61.38 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 9533849600. read 148.16 157286400 100.00 0.001105 61.37 0.000804 61.37 2 Max Read: 148.16 MiB/sec (155.35 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 148.16 145.59 146.77 1.06 61.37606 0 16 1 3 0 0 1 0 0 1 161061273600 102400 9434828800 MPIIO 0 Finished: Tue Oct 23 20:42:04 2018 + set +x /esfs/jtacquaviva/ioperf stripe_count: 32 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: 2 obdidx objid objid group 2 12571040 0xbfd1a0 0 4 12512776 0xbeee08 0 7 12461410 0xbe2562 0 1 12642687 0xc0e97f 0 3 12490986 0xbe98ea 0 5 12383049 0xbcf349 0 6 12596308 0xc03454 0 0 12424700 0xbd95fc 0