<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.2180" name=GENERATOR>
<STYLE>@font-face {
        font-family: Wingdings;
}
@font-face {
        font-family: Bookman Old Style;
}
@page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; }
P.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
LI.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
DIV.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
A:link {
        COLOR: blue; TEXT-DECORATION: underline
}
SPAN.MsoHyperlink {
        COLOR: blue; TEXT-DECORATION: underline
}
A:visited {
        COLOR: purple; TEXT-DECORATION: underline
}
SPAN.MsoHyperlinkFollowed {
        COLOR: purple; TEXT-DECORATION: underline
}
SPAN.emailstyle17 {
        COLOR: windowtext; FONT-FAMILY: Arial
}
SPAN.emailstyle18 {
        COLOR: navy; FONT-FAMILY: Arial
}
SPAN.emailstyle19 {
        COLOR: navy; FONT-FAMILY: Arial
}
SPAN.emailstyle20 {
        COLOR: navy; FONT-FAMILY: Arial
}
SPAN.EmailStyle21 {
        COLOR: navy; FONT-FAMILY: Arial
}
DIV.Section1 {
        page: Section1
}
OL {
        MARGIN-BOTTOM: 0in
}
UL {
        MARGIN-BOTTOM: 0in
}
</STYLE>
</HEAD>
<BODY lang=EN-US vLink=purple link=blue>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=795331607-30032006>We've 
never been able to get very good IPoIB throughput on these systems (dual 3.0 GHz 
EMT64 CPUs).  SDP performance seems very good, though.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=795331607-30032006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=795331607-30032006>We're using LionCub Rev C 
HCAs.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=795331607-30032006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=795331607-30032006>To 
summarize:</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=795331607-30032006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=795331607-30032006>min 
SDP latency: 26 usec</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=795331607-30032006>max 
SDP throughput: 7.2 Gb/sec</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=795331607-30032006>min 
IPoIB latency: 32 usec</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=795331607-30032006>max 
IPoIB throughput: 1.7 Gb/sec</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=795331607-30032006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=795331607-30032006>Scott</SPAN></FONT></DIV></BODY></HTML>