+ /opt/ddn/mvapich/bin/mpiexec -ppn 4 -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 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 40265318400 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:4#PPN:4#API:MPIIO#T:1048576.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 14:35:46 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 40265318400 -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 14:35:46 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 = 16 (4 per node) repetitions = 3 xfersize = 1 MiB blocksize = 37.50 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 = 644244045824. WARNING: Using actual aggregate bytes moved = 411177058304. write 3265.72 39321600 1024.00 0.011774 120.06 0.000838 120.07 0 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644244045824. WARNING: Using actual aggregate bytes moved = 407516479488. write 3101.02 39321600 1024.00 5.26 120.06 0.000540 125.33 1 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644241948672. WARNING: Using actual aggregate bytes moved = 397838123008. write 3014.75 39321600 1024.00 5.81 120.04 0.000569 125.85 2 Max Write: 3265.72 MiB/sec (3424.36 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 3265.72 3014.75 3127.17 104.11 123.75013 0 16 4 3 0 0 1 0 0 1 40265318400 1048576 411177058304 MPIIO 0 Finished: Tue Oct 23 14:42:10 2018 + /opt/ddn/mvapich/bin/mpiexec -ppn 4 -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 /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh + /opt/ddn/mvapich/bin/mpiexec -ppn 4 -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 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 40265318400 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r + tee -a ./output/COUNT:1#NN:4#PPN:4#API:MPIIO#T:1048576.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 14:42:22 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 40265318400 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 14:42:22 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 (4 per node) repetitions = 3 xfersize = 1 MiB blocksize = 37.50 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 = 108108185600. read 857.67 39321600 1024.00 0.144430 120.06 0.000746 120.21 0 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 111812804608. read 888.08 39321600 1024.00 0.001363 120.07 0.000696 120.07 1 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 112235380736. read 891.52 39321600 1024.00 0.001251 120.06 0.000683 120.06 2 Max Read: 891.52 MiB/sec (934.83 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 891.52 857.67 879.09 15.21 120.11342 0 16 4 3 0 0 1 0 0 1 40265318400 1048576 108108185600 MPIIO 0 Finished: Tue Oct 23 14:48:22 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: 5 obdidx objid objid group 5 12381846 0xbcee96 0 6 12595101 0xc02f9d 0 0 12423492 0xbd9144 0 2 12569834 0xbfccea 0 4 12511574 0xbee956 0 7 12460203 0xbe20ab 0 1 12641479 0xc0e4c7 0 3 12489780 0xbe9434 0