+ /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-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,isc17-c01,isc17-c02,isc17-c03 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 161061273600 -D 60 -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:102400.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Tue Oct 23 22:45:12 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 161061273600 -D 60 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 22:45:12 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 = 102400 bytes blocksize = 150 GiB aggregate filesize = 2400 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 = 2576980377600. WARNING: Stat() of aggregate file size = 2576955801600. WARNING: Using actual aggregate bytes moved = 103605350400. write 875.39 157286400 100.00 0.000717 112.87 0.000516 112.87 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576978739200. WARNING: Using actual aggregate bytes moved = 97390796800. write 773.11 157286400 100.00 0.001549 120.14 0.000814 120.14 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576707174400. WARNING: Using actual aggregate bytes moved = 98684723200. write 763.36 157286400 100.00 0.001832 123.29 0.001142 123.29 2 Max Write: 875.39 MiB/sec (917.92 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 875.39 763.36 803.95 50.67 118.76515 0 16 1 3 1 0 1 0 0 1 161061273600 102400 103605350400 POSIX 0 Finished: Tue Oct 23 22:51:10 2018