+ /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-c01,isc17-c02,isc17-c03,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 /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh + tee -a ./output/COUNT:1#NN:16#PPN:1#API:MPIIO#T:10485760.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-c01,isc17-c02,isc17-c03,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 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 141180272640 -D 120 -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 08:23:43 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 141180272640 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c01 Test 0 started: Tue Oct 23 08:23:43 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 = 10 MiB blocksize = 131.48 GiB aggregate filesize = 2103.75 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 = 2258884362240. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 267911168000. read 2126.81 137871360 10240 0.056208 120.08 0.007795 120.13 0 WARNING: Expected aggregate file size = 2258884362240. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 271193210880. read 2153.64 137871360 10240 0.008455 120.09 0.007829 120.09 1 WARNING: Expected aggregate file size = 2258884362240. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 271402926080. read 2155.45 137871360 10240 0.008286 120.08 0.007919 120.08 2 Max Read: 2155.45 MiB/sec (2260.15 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 2155.45 2126.81 2145.30 13.09 120.10137 0 16 1 3 0 0 1 0 0 1 141180272640 10485760 267911168000 MPIIO 0 Finished: Tue Oct 23 08:29:43 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: 7 obdidx objid objid group 7 12458248 0xbe1908 0 1 12639520 0xc0dd20 0 3 12487830 0xbe8c96 0 5 12379889 0xbce6f1 0 6 12593149 0xc027fd 0 0 12421542 0xbd89a6 0 2 12567888 0xbfc550 0 4 12509619 0xbee1b3 0