+ /opt/ddn/mvapich/bin/mpiexec -ppn 2 -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 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:4#PPN:2#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: Tue Oct 23 19:17:13 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 19:17:13 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/ioperf/file_write access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 8 (2 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 75 GiB aggregate filesize = 600 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 = 644245094400. WARNING: Stat() of aggregate file size = 644244897792. WARNING: Using actual aggregate bytes moved = 4958371840. write 38.65 78643200 16.00 0.010314 122.33 0.000427 122.34 0 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644244963328. WARNING: Using actual aggregate bytes moved = 4869046272. write 37.92 78643200 16.00 0.001364 122.46 0.000469 122.46 1 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644244373504. WARNING: Using actual aggregate bytes moved = 4879908864. write 38.01 78643200 16.00 0.001414 122.43 0.000551 122.43 2 Max Write: 38.65 MiB/sec (40.53 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 write 38.65 37.92 38.19 0.33 122.41003 0 8 2 3 0 0 1 0 0 1 80530636800 16384 4958371840 MPIIO 0 Finished: Tue Oct 23 19:23:21 2018 + /opt/ddn/mvapich/bin/mpiexec -ppn 2 -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 /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh + /opt/ddn/mvapich/bin/mpiexec -ppn 2 -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 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r + tee -a ./output/COUNT:1#NN:4#PPN:2#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: Tue Oct 23 19:23:27 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 19:23:27 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 (2 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 75 GiB aggregate filesize = 600 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 = 644245094400. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 2316926976. read 18.06 78643200 16.00 0.012380 122.33 0.000689 122.34 0 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 2329788416. read 18.16 78643200 16.00 0.001141 122.32 0.000642 122.32 1 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 2330476544. read 18.17 78643200 16.00 0.001050 122.32 0.000578 122.32 2 Max Read: 18.17 MiB/sec (19.05 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 18.17 18.06 18.13 0.05 122.32860 0 8 2 3 0 0 1 0 0 1 80530636800 16384 2316926976 MPIIO 0 Finished: Tue Oct 23 19:29:34 2018 + set +x /esfs/jtacquaviva/ioperf stripe_count: 8 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: 1 obdidx objid objid group 1 12642040 0xc0e6f8 0 3 12490341 0xbe9665 0 5 12382407 0xbcf0c7 0 6 12595661 0xc031cd 0 0 12424052 0xbd9374 0 2 12570394 0xbfcf1a 0 4 12512132 0xbeeb84 0 7 12460763 0xbe22db 0