+ /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 2 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 70590136320 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:1#PPN:2#API:POSIX#T:16384.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Tue Oct 23 00:08:35 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 70590136320 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 00:08:35 2018 Summary: api = POSIX test filename = /esfs/jtacquaviva/ioperf/file_write access = file-per-process ordering in a file = random offsets ordering inter file= no tasks offsets clients = 2 (2 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 65.74 GiB aggregate filesize = 131.48 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 = 141180272640. WARNING: Stat() of aggregate file size = 141180043264. WARNING: Using actual aggregate bytes moved = 10365878272. write 75.84 68935680 16.00 0.000423 130.34 0.000137 130.34 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141179813888. WARNING: Using actual aggregate bytes moved = 9952854016. write 68.99 68935680 16.00 0.000696 137.58 0.000120 137.59 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 10229530624. write 74.02 68935680 16.00 0.000714 131.80 0.000125 131.80 2 Max Write: 75.84 MiB/sec (79.53 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 75.84 68.99 72.95 2.90 133.24379 0 2 2 3 1 0 1 0 0 1 70590136320 16384 10365878272 POSIX 0 Finished: Tue Oct 23 00:15:18 2018