+ /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 32 -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 16384 -b 80530636800 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:16#PPN:2#API:MPIIO#T:16384.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 22:36:20 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -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 22:36:20 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 = 32 (2 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 75 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 = 2576973004800. WARNING: Using actual aggregate bytes moved = 3703734272. write 51.56 78643200 16.00 0.016513 68.48 0.006620 68.51 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576976494592. WARNING: Using actual aggregate bytes moved = 3673653248. write 51.12 78643200 16.00 0.001890 68.53 0.000832 68.53 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 2576975577088. WARNING: Using actual aggregate bytes moved = 3665985536. write 51.04 78643200 16.00 0.002547 68.50 0.000973 68.50 2 Max Write: 51.56 MiB/sec (54.06 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 51.56 51.04 51.24 0.23 68.51450 0 32 2 3 0 0 1 0 0 1 80530636800 16384 3703734272 MPIIO 0 Finished: Tue Oct 23 22:39:47 2018 + /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 32 -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/git/ime-evaluation/drop_caches.sh + tee -a ./output/COUNT:1#NN:16#PPN:2#API:MPIIO#T:16384.txt + /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 32 -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 16384 -b 80530636800 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r 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 22:39:50 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 80530636800 -D 60 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/file_read -r Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 22:39:50 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/file_read access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 32 (2 per node) repetitions = 3 xfersize = 16384 bytes blocksize = 75 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 = 4517768724480. WARNING: Using actual aggregate bytes moved = 3156115456. read 43.97 78643200 16.00 0.020186 68.43 0.011702 68.45 0 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3175940096. read 44.26 78643200 16.00 0.009680 68.43 0.008969 68.44 1 WARNING: Expected aggregate file size = 2576980377600. WARNING: Stat() of aggregate file size = 4517768724480. WARNING: Using actual aggregate bytes moved = 3169992704. read 44.18 78643200 16.00 0.009972 68.43 0.009044 68.43 2 Max Read: 44.26 MiB/sec (46.41 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 read 44.26 43.97 44.14 0.12 68.43898 0 32 2 3 0 0 1 0 0 1 80530636800 16384 3156115456 MPIIO 0 Finished: Tue Oct 23 22:43:15 2018 + set +x /esfs/jtacquaviva/ioperf stripe_count: 32 stripe_size: 1048576 stripe_offset: -1 /esfs/jtacquaviva/ioperf/file_write lmm_stripe_count: 8 lmm_stripe_size: 1048576 lmm_pattern: 1 lmm_layout_gen: 0 lmm_stripe_offset: 6 obdidx objid objid group 6 12597699 0xc039c3 0 0 12426101 0xbd9b75 0 2 12572431 0xbfd70f 0 4 12514173 0xbef37d 0 7 12462804 0xbe2ad4 0 1 12644083 0xc0eef3 0 3 12492380 0xbe9e5c 0 5 12384440 0xbcf8b8 0