+ /opt/ddn/mvapich/bin/mpiexec -ppn 1 -np 8 -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 + /opt/ddn/mvapich/bin/mpiexec -ppn 1 -np 8 -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 161061273600 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r + tee -a ./output/COUNT:1#NN:8#PPN:1#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: Wed Oct 24 07:07:06 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 161061273600 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 07:07:06 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 = 8 (1 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 150 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 = 864337920. read 12.73 157286400 16.00 0.006994 64.72 0.000738 64.73 0 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 997228544. read 14.70 157286400 16.00 0.001774 64.71 0.000756 64.71 1 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 1070743552. read 15.78 157286400 16.00 0.001112 64.71 0.000835 64.71 2 Max Read: 15.78 MiB/sec (16.55 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 15.78 12.73 14.40 1.26 64.71666 0 8 1 3 0 0 1 0 0 1 161061273600 16384 864337920 MPIIO 0 Finished: Wed Oct 24 07:10:20 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: 7 obdidx objid objid group 7 12465283 0xbe3483 0 1 12646569 0xc0f8a9 0 3 12494870 0xbea816 0 5 12386930 0xbd0272 0 6 12600174 0xc0436e 0 0 12428580 0xbda524 0 2 12574926 0xbfe0ce 0 4 12516652 0xbefd2c 0