+ /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 POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:16#PPN:1#API:POSIX#T:10485760.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Tue Oct 23 08:04:11 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 141180272640 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c01 Test 0 started: Tue Oct 23 08:04:11 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 = 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 = 2258213273600. WARNING: Using actual aggregate bytes moved = 741028659200. write 5379 137871360 10240 0.001035 131.39 0.000464 131.39 0 WARNING: Expected aggregate file size = 2258884362240. WARNING: Stat() of aggregate file size = 2258737561600. WARNING: Using actual aggregate bytes moved = 734506516480. write 5201 137871360 10240 0.001279 134.68 0.001972 134.69 1 WARNING: Expected aggregate file size = 2258884362240. WARNING: Stat() of aggregate file size = 2258716590080. WARNING: Using actual aggregate bytes moved = 734821089280. write 5332 137871360 10240 0.001447 131.42 0.000908 131.42 2 Max Write: 5378.54 MiB/sec (5639.80 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 5378.54 5200.85 5303.89 75.27 132.50012 0 16 1 3 1 0 1 0 0 1 141180272640 10485760 741028659200 POSIX 0 Finished: Tue Oct 23 08:11:02 2018