+ /opt/ddn/mvapich/bin/mpiexec -ppn 4 -np 8 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05 /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh + /opt/ddn/mvapich/bin/mpiexec -ppn 4 -np 8 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 35295068160 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r + tee -a ./output/COUNT:1#NN:2#PPN:4#API:MPIIO#T:10485760.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Mon Oct 22 14:25:34 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 35295068160 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Mon Oct 22 14:25:34 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 (4 per node) repetitions = 3 xfersize = 10 MiB blocksize = 32.87 GiB aggregate filesize = 262.97 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 = 282360545280. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 201819422720. read 1603.15 34467840 10240 0.017543 120.04 0.000504 120.06 0 WARNING: Expected aggregate file size = 282360545280. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 213836103680. read 1698.61 34467840 10240 0.001032 120.06 0.000641 120.06 1 WARNING: Expected aggregate file size = 282360545280. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 212525383680. read 1688.39 34467840 10240 0.001155 120.04 0.000594 120.04 2 Max Read: 1698.61 MiB/sec (1781.12 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 1698.61 1603.15 1663.38 42.79 120.05252 0 8 4 3 0 0 1 0 0 1 35295068160 10485760 201819422720 MPIIO 0 Finished: Mon Oct 22 14:31:34 2018 + set +x /esfs/jtacquaviva/ioperf stripe_count: 4 stripe_size: 1048576 stripe_offset: -1