<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>IPoIB Question</TITLE>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.2976" name=GENERATOR></HEAD>
<BODY>
<DIV dir=ltr align=left><SPAN class=661113115-23102006><FONT face=Arial
color=#0000ff size=2>IPoIB performance will vary quite a bit depending on what
motherboard, CPU speed, and HCA type you have. What are the specs on the
systems you are using?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=661113115-23102006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=661113115-23102006><FONT face=Arial
size=2><FONT color=#0000ff>Netperf (</FONT><A
href="http://www.netperf.org">www.netperf.org</A><FONT color=#0000ff>) is a good
tool to measure IPoIB performance.</FONT></FONT></SPAN></DIV>
<DIV><FONT color=#0000ff></FONT> </DIV>
<DIV align=left><FONT face=Arial color=#0000ff size=2>Scott
Weitzenkamp</FONT></DIV>
<DIV align=left><FONT face=Arial color=#0000ff size=2>SQA and Release
Manager</FONT></DIV>
<DIV align=left><FONT face=Arial color=#0000ff size=2>Server Virtualization
Business Unit</FONT></DIV>
<DIV align=left><FONT face=Arial color=#0000ff size=2>Cisco Systems</FONT></DIV>
<DIV> </DIV><FONT face=Arial color=#0000ff size=2></FONT><BR>
<BLOCKQUOTE dir=ltr
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> openib-general-bounces@openib.org
[mailto:openib-general-bounces@openib.org] <B>On Behalf Of </B>Hubbell, Sean C
Contractor/Decibel<BR><B>Sent:</B> Monday, October 23, 2006 5:53
AM<BR><B>To:</B> openib-general@openib.org<BR><B>Cc:</B> Sean
Hubbell<BR><B>Subject:</B> [openib-general] IPoIB
Question<BR></FONT><BR></DIV>
<DIV></DIV><!-- Converted from text/rtf format -->
<P><FONT face=Arial size=2>Hello,</FONT> </P>
<P><FONT face=Arial size=2> I currently have several applications that
uses a legacy IPv4 protocol and I use IPoIB to utilize my infiniband network
which works great. I have completed some timing and throughput analysis and
noticed that I do not get very much more if I use an infiniband network
interface than using my GigE network interface. My question is, am I using
IPoIB correctly or are these the typical numbers that everyone is seeing? Is
there a standard application that I may use to test my current
configuration?</FONT></P>
<P><FONT face=Arial size=2>Thanks in advance,</FONT> </P>
<P><FONT face=Arial size=2>Sean</FONT> </P></BLOCKQUOTE></BODY></HTML>