+ /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 MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:16#PPN:1#API:MPIIO#T:102400.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Tue Oct 23 20:35:53 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 161061273600 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 20:35:53 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 = 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 = 2576968499200. WARNING: Using actual aggregate bytes moved = 18205388800. write 282.84 157286400 100.00 0.012199 61.37 0.000510 61.38 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576970342400. WARNING: Using actual aggregate bytes moved = 18470400000. write 286.69 157286400 100.00 0.001943 61.44 0.000509 61.44 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576947712000. WARNING: Using actual aggregate bytes moved = 18311065600. write 284.49 157286400 100.00 0.002002 61.38 0.000617 61.38 2 Max Write: 286.69 MiB/sec (300.62 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 286.69 282.84 284.67 1.58 61.40290 0 16 1 3 0 0 1 0 0 1 161061273600 102400 18205388800 MPIIO 0 Finished: Tue Oct 23 20:38:58 2018