Argh, that was to local disk.

Here are the (more reasonable) pvfs2 numbers:

% ./src/C/IOR -W -f scripts/test
IOR-2.9.2: MPI Coordinated Test of Parallel I/O

Run began: Mon Jan 29 14:45:16 2007
Command line used: ./src/C/IOR -W -f scripts/test
Machine: Linux fog34

Summary:
        api                = POSIX
        test filename      = /mnt/pvfs2/testFile
        access             = single-shared-file
        clients            = 1 (1 per node)
        repetitions        = 1000
        xfersize           = 1 MiB
        blocksize          = 10 MiB
        aggregate filesize = 10 MiB

access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close (s) iter ------ --------- ---------- --------- -------- -------- -------- ---- write 85.85 10240 1024.00 0.002639 0.113275 0.000549 0 read 98.82 10240 1024.00 0.000298 0.100241 0.000640 0 write 83.44 10240 1024.00 0.016590 0.102821 0.000425 1 read 99.80 10240 1024.00 0.000260 0.099507 0.000424 1
<snip>
write 83.47 10240 1024.00 0.016443 0.102874 0.000472 997 read 100.32 10240 1024.00 0.000286 0.098925 0.000461 997 write 83.28 10240 1024.00 0.016815 0.102797 0.000457 998 read 100.34 10240 1024.00 0.000287 0.098899 0.000461 998 write 83.48 10240 1024.00 0.016721 0.102599 0.000459 999 read 100.39 10240 1024.00 0.000289 0.098849 0.000458 999

Max Write: 95.24 MiB/sec (99.87 MB/sec)
Max Read:  101.23 MiB/sec (106.14 MB/sec)

Run finished: Mon Jan 29 14:48:54 2007


_______________________________________________
Pvfs2-developers mailing list
[email protected]
http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers

Reply via email to