[openib-general] Re: A new simple ulp (SPTS)

Michael S. Tsirkin mst at mellanox.co.il
Mon Jun 27 13:32:45 PDT 2005


Quoting r. Jeff Carr <jcarr at linuxmachines.com>:
> Here is an updated version and a simple perl script that tests it's
> performance. With 2K messages, these were the performance numbers
> between 2 systems (3.6ghz Xeon/w 133mhz/64bit pci).
> 
> root at delta:~# ./fast_test.pl 20
> starting sends
> 0 messages/sec (0 Mb/sec)
> 131072 messages/sec (2047 Mb/sec)
> 131072 messages/sec (2047 Mb/sec)
> 131072 messages/sec (2047 Mb/sec)
> 174762 messages/sec (2730 Mb/sec)
> 163840 messages/sec (2559 Mb/sec)
> 196608 messages/sec (3071 Mb/sec)
> 183500 messages/sec (2867 Mb/sec)
> 174762 messages/sec (2730 Mb/sec)
> 196618 messages/sec (3072 Mb/sec)
> 187254 messages/sec (2925 Mb/sec)
> 180232 messages/sec (2816 Mb/sec)
> 196616 messages/sec (3072 Mb/sec)
> 189333 messages/sec (2958 Mb/sec)
> 183507 messages/sec (2867 Mb/sec)
> 196614 messages/sec (3072 Mb/sec)
> 190656 messages/sec (2978 Mb/sec)
> 202571 messages/sec (3165 Mb/sec)
> 138785 messages/sec (2168 Mb/sec)
> 131075 messages/sec (2048 Mb/sec)
> 
> Jeff
> 

Does this mean the bandwidth is 200-300 MByte/sec?
What is the CPU utilization number (easy to sample with e.g. vstat)?

-- 
MST



More information about the general mailing list