+ /opt/ddn/mvapich/bin/mpiexec -ppn 6 -np 6 -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 10485760 -b 23530045440 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:1#PPN:6#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 15:29:33 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 23530045440 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Mon Oct 22 15:29:33 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 = 6 (6 per node) repetitions = 3 xfersize = 10 MiB blocksize = 21.91 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 = 141180272640. WARNING: Using actual aggregate bytes moved = 140844728320. write 1568.05 22978560 10240 0.001879 85.66 0.000354 85.66 0 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 140813271040. write 1559.09 22978560 10240 0.345781 85.79 0.000278 86.13 1 WARNING: Expected aggregate file size = 141180272640. WARNING: Stat() of aggregate file size = 141180272640. WARNING: Using actual aggregate bytes moved = 143424225280. write 1556.13 22978560 10240 0.469190 87.43 0.000301 87.90 2 Max Write: 1568.05 MiB/sec (1644.22 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 1568.05 1556.13 1561.09 5.07 86.56379 0 6 6 3 0 0 1 0 0 1 23530045440 10485760 140844728320 MPIIO 0 Finished: Mon Oct 22 15:34:04 2018