...
Max Write: 2373.15 MiB/sec (2488.43 MB/sec)
Max Read: 2470.09 MiB/sec (2590.08 MB/sec)
Command line used: src/C/IOR -F -a POSIX -r -w -b 20g -t 1m -o /lustre/ki/pfs/yemi/IORFile -O lustreStripeCount=0 -v -i 2
api = POSIX
test filename = /lustre/ki/pfs/yemi/IORFile
access = file-per-process
pattern = segmented (1 segment)
ordering in a file = sequential offsets
ordering inter file= no tasks offsets
clients = 8 (8 per node)
repetitions = 2
xfersize = 1 MiB
blocksize = 20 GiB
aggregate filesize = 160 GiB
Lustre stripe size = Use default
stripe count = Use default
Operation Max (MiB) Min (MiB) Mean (MiB) Std Dev Max (OPs) Min (OPs) Mean (OPs) Std Dev Mean (s) Op grep #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize
--------- --------- --------- ---------- ------- --------- --------- ---------- ------- --------
write 2373.15 2116.37 2244.76 128.39 2373.15 2116.37 2244.76 128.39 73.22739 8 8 2 1 0 1 0 0 1 21474836480 1048576 171798691840 -1 POSIX EXCEL
read 2470.09 2289.77 2379.93 90.16 2470.09 2289.77 2379.93 90.16 68.94123 8 8 2 1 0 1 0 0 1 21474836480 1048576 171798691840 -1 POSIX EXCEL
16 processes on 1 node
==================
Max Write: 2959.63 MiB/sec (3103.40 MB/sec)
Max Read: 2456.74 MiB/sec (2576.08 MB/sec)
Command line used: src/C/IOR -F -a POSIX -r -w -b 20g -t 1m -o /lustre/ki/pfs/yemi/IORFile -O lustreStripeCount=0 -v -i 2
api = POSIX
test filename = /lustre/ki/pfs/yemi/IORFile
access = file-per-process
pattern = segmented (1 segment)
ordering in a file = sequential offsets
ordering inter file= no tasks offsets
clients = 16 (16 per node)
repetitions = 2
xfersize = 1 MiB
blocksize = 20 GiB
aggregate filesize = 320 GiB
Lustre stripe size = Use default
stripe count = Use default
Operation Max (MiB) Min (MiB) Mean (MiB) Std Dev Max (OPs) Min (OPs) Mean (OPs) Std Dev Mean (s) Op grep #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize
--------- --------- --------- ---------- ------- --------- --------- ---------- ------- --------
write 2959.63 2767.42 2863.53 96.10 2959.63 2767.42 2863.53 96.10 114.56132 16 16 2 1 0 1 0 0 1 21474836480 1048576 343597383680 -1 POSIX EXCEL
read 2456.74 2430.77 2443.76 12.98 2456.74 2430.77 2443.76 12.98 134.09235 16 16 2 1 0 1 0 0 1 21474836480 1048576 343597383680 -1 POSIX EXCEL
8 processes across 4 nodes
Max Write: 3101.05 MiB/sec (3251.68 MB/sec)
Max Read: 2917.03 MiB/sec (3058.73 MB/sec)
Command line used: src/C/IOR -F -a POSIX -r -w -b 30g -t 1m -o /lustre/ki/pfs/yemi/IORFile -O lustreStripeCount=0 -v -i 2
api = POSIX
test filename = /lustre/ki/pfs/yemi/IORFile
access = file-per-process
pattern = segmented (1 segment)
ordering in a file = sequential offsets
ordering inter file= no tasks offsets
clients = 8 (2 per node)
repetitions = 2
xfersize = 1 MiB
blocksize = 30 GiB
aggregate filesize = 240 GiB
Lustre stripe size = Use default
stripe count = Use default
Operation Max (MiB) Min (MiB) Mean (MiB) Std Dev Max (OPs) Min (OPs) Mean (OPs) Std Dev Mean (s) Op grep #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize
--------- --------- --------- ---------- ------- --------- --------- ---------- ------- --------
write 3101.05 2873.49 2987.27 113.78 3101.05 2873.49 2987.27 113.78 82.38866 8 2 2 1 0 1 0 0 1 32212254720 1048576 257698037760 -1 POSIX EXCEL
read 2917.03 2749.41 2833.22 83.81 2917.03 2749.41 2833.22 83.81 86.81822 8 2 2 1 0 1 0 0 1 32212254720 1048576 257698037760 -1 POSIX EXCEL
32 processes across 8 nodes
Max Write: 5004.27 MiB/sec (5247.35 MB/sec)
Max Read: 6233.60 MiB/sec (6536.40 MB/sec)
Command line used: src/C/IOR -F -a POSIX -r -w -b 20g -t 1m -o /lustre/ki/pfs/yemi/IORFile -O lustreStripeCount=0 -v -i 2
api = POSIX
test filename = /lustre/ki/pfs/yemi/IORFile
access = file-per-process
pattern = segmented (1 segment)
ordering in a file = sequential offsets
ordering inter file= no tasks offsets
clients = 32 (4 per node)
repetitions = 2
xfersize = 1 MiB
blocksize = 20 GiB
aggregate filesize = 640 GiB
Lustre stripe size = Use default
stripe count = Use default
Operation Max (MiB) Min (MiB) Mean (MiB) Std Dev Max (OPs) Min (OPs) Mean (OPs) Std Dev Mean (s) Op grep #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize
--------- --------- --------- ---------- ------- --------- --------- ---------- ------- --------
write 5004.27 4948.77 4976.52 27.75 5004.27 4948.77 4976.52 27.75 131.69457 32 4 2 1 0 1 0 0 1 21474836480 1048576 687194767360 -1 POSIX EXCEL
read 6233.60 6087.79 6160.70 72.91 6233.60 6087.79 6160.70 72.91 106.39250 32 4 2 1 0 1 0 0 1 21474836480 1048576 687194767360 -1 POSIX EXCEL