100G Notes

Benchmarking OCZ Vertex 3

Test below using Dell R510 with H700 raid controller. SATA 3 disk connected to SATA 2 backplane.

Read from Disk to /dev/null

The result below looks suspiciously high.

[root@localhost fdt]# java -cp fdt.jar lia.util.net.common.DDCopy if=/solidstate/10Gfile.dat of=/dev/null
[Thu Oct 13 00:11:53 PDT 2011] Current Speed = 1.917 GB/s Avg Speed: 1.918 GB/s Total Transfer: 3.838 GB
[Thu Oct 13 00:11:55 PDT 2011] Current Speed = 2.504 GB/s Avg Speed: 2.214 GB/s Total Transfer: 8.949 GB


 Total Transfer: 10 GBytes ( 10737418240 bytes )
 Time: 4 seconds
 Avg Speed: 2.243 GB/s

Write to disk from /dev/zero

[root@localhost fdt]# java -cp fdt.jar lia.util.net.common.DDCopy if=/dev/zero of=/solidstate/10Goutputfile bs=10M count=1024 flags=NOSYNC
[Thu Oct 13 00:25:10 PDT 2011] Current Speed = 1.034 GB/s Avg Speed: 1.034 GB/s Total Transfer: 2.07 GB
[Thu Oct 13 00:25:13 PDT 2011] Current Speed = 1.187 GB/s Avg Speed: 1.111 GB/s Total Transfer: 4.492 GB
[Thu Oct 13 00:25:15 PDT 2011] Current Speed = 833.749 MB/s Avg Speed: 1.013 GB/s Total Transfer: 6.123 GB
[Thu Oct 13 00:25:17 PDT 2011] Current Speed = 429.57 MB/s Avg Speed: 885.934 MB/s Total Transfer: 6.963 GB
[Thu Oct 13 00:25:19 PDT 2011] Current Speed = 469.53 MB/s Avg Speed: 802.985 MB/s Total Transfer: 7.881 GB
[Thu Oct 13 00:25:21 PDT 2011] Current Speed = 464.535 MB/s Avg Speed: 746.764 MB/s Total Transfer: 8.789 GB
[Thu Oct 13 00:25:23 PDT 2011] Current Speed = 474.289 MB/s Avg Speed: 707.933 MB/s Total Transfer: 9.717 GB


 Total Transfer: 10 GBytes ( 10737418240 bytes )
 Time: 14 seconds
 Avg Speed: 697.358 MB/s

-- IanGable - 2011-10-13


This topic: HEPrc > WebHome > HundredGigabit
Topic revision: r1 - 2011-10-13 - igable
 
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