+ /opt/ddn/mvapich/bin/mpiexec -ppn 4 -np 32 -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 4 -np 32 -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 1048576 -b 40265318400 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r + tee -a ./output/COUNT:1#NN:8#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: Wed Oct 24 04:30:13 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 40265318400 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 04:30:13 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 = 32 (4 per node) repetitions = 3 xfersize = 1 MiB blocksize = 37.50 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 = 73459040256. read 1161.48 39321600 1024.00 0.183081 60.14 0.008206 60.32 0 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 75210162176. read 1193.01 39321600 1024.00 0.009586 60.12 0.008296 60.12 1 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 76188483584. read 1208.65 39321600 1024.00 0.009621 60.11 0.008259 60.12 2 Max Read: 1208.65 MiB/sec (1267.36 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 read 1208.65 1161.48 1187.71 19.62 60.18458 0 32 4 3 0 0 1 0 0 1 40265318400 1048576 73459040256 MPIIO 0 Finished: Wed Oct 24 04:33:13 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: 4 obdidx objid objid group 4 12515603 0xbef913 0 7 12464228 0xbe3064 0 1 12645515 0xc0f48b 0 3 12493813 0xbea3f5 0 5 12385880 0xbcfe58 0 6 12599126 0xc03f56 0 0 12427531 0xbda10b 0 2 12573871 0xbfdcaf 0