SuperComputing 2012

Vertex 4 Benchmarks

Write to disk from /dev/zero

  • First attempt no tunning. Only SATA 2 slot.

[root@elephant09 ~]# java -cp /root/fdt/fdt.jar lia.util.net.common.DDCopy if=/dev/zero of=/vertex/10Goutputfile5 bs=10M count=10240
[Fri Aug 24 16:46:16 PDT 2012] Current Speed = 1.25 GB/s Avg Speed: 1.25 GB/s Total Transfer: 2.5 GB
[Fri Aug 24 16:46:18 PDT 2012] Current Speed = 610.236 MB/s Avg Speed: 942.46 MB/s Total Transfer: 3.711 GB
[Fri Aug 24 16:46:20 PDT 2012] Current Speed = 129.935 MB/s Avg Speed: 672.965 MB/s Total Transfer: 3.965 GB
[Fri Aug 24 16:46:22 PDT 2012] Current Speed = 129.935 MB/s Avg Speed: 537.715 MB/s Total Transfer: 4.219 GB

[Fri Aug 24 16:58:48 PDT 2012] Current Speed = 130 MB/s Avg Speed: 135.016 MB/s Total Transfer: 99.453 GB
[Fri Aug 24 16:58:50 PDT 2012] Current Speed = 129.935 MB/s Avg Speed: 135.003 MB/s Total Transfer: 99.707 GB
[Fri Aug 24 16:58:52 PDT 2012] Current Speed = 130 MB/s Avg Speed: 134.99 MB/s Total Transfer: 99.961 GB


 Total Transfer: 100 GBytes ( 107374182400 bytes )
 Time: 758 seconds
 Avg Speed: 134.993 MB/s

Read from disk to /dev/null

  • note that the disk was unmounted in between the write and the read.
[root@elephant09 ~]# java -cp fdt.jar lia.util.net.common.DDCopy if=/vertex/10Goutputfile5 of=/dev/null
Error: Could not find or load main class lia.util.net.common.DDCopy
[root@elephant09 ~]# java -cp /root/fdt/fdt.jar lia.util.net.common.DDCopy if=/vertex/10Goutputfile5 of=/dev/null
[Fri Aug 24 17:03:26 PDT 2012] Current Speed = 133.93 MB/s Avg Speed: 133.93 MB/s Total Transfer: 267.859 MB
[Fri Aug 24 17:03:28 PDT 2012] Current Speed = 135.468 MB/s Avg Speed: 134.705 MB/s Total Transfer: 542.859 MB


[Fri Aug 24 17:15:58 PDT 2012] Current Speed = 135.5 MB/s Avg Speed: 135.46 MB/s Total Transfer: 99.775 GB


 Total Transfer: 100 GBytes ( 107374182400 bytes )
 Time: 755 seconds
 Avg Speed: 135.46 MB/s


This topic: HEPrc > SuperComputing2012
Topic revision: r1 - 2012-08-25 - igable
 
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