<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:v =
"urn:schemas-microsoft-com:vml" xmlns:o =
"urn:schemas-microsoft-com:office:office" xmlns:w =
"urn:schemas-microsoft-com:office:word" xmlns:st1 =
"urn:schemas-microsoft-com:office:smarttags"><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.3268" name=GENERATOR><!--[if !mso]>
<STYLE>
v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</STYLE>
<![endif]--><o:SmartTagType name="country-region"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="City"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="place"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><!--[if !mso]>
<STYLE>
st1\:*{behavior:url(#default#ieooui) }
</STYLE>
<![endif]-->
<STYLE>
<!--
/* Font Definitions */
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:blue;
text-decoration:underline;}
p
{mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman";}
pre
{margin:0in;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:"Courier New";}
span.EmailStyle20
{mso-style-type:personal-reply;
font-family:Arial;
color:navy;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
{page:Section1;}
-->
</STYLE>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></HEAD>
<BODY lang=EN-US vLink=blue link=blue>
<DIV dir=ltr align=left><SPAN class=546510117-26042008><FONT face=Arial
color=#0000ff size=2>I guess this was it. I simply don't have the time to
organize and run this show myself.</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B>
mpi3-subsetting-bounces@lists.mpi-forum.org
[mailto:mpi3-subsetting-bounces@lists.mpi-forum.org] <B>On Behalf Of
</B>Underwood, Keith D<BR><B>Sent:</B> Saturday, April 26, 2008 6:47
PM<BR><B>To:</B> MPI 3.0 Sub-setting working group<BR><B>Subject:</B> Re:
[Mpi3-subsetting] no subset slot;action item I need your help
with<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I thought the proposal
for the surveys was more to open one discussion area for the implementers and
one discussion area for the users? Did someone have something more
in mind?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Keith<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: medium none">
<DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
mpi3-subsetting-bounces@lists.mpi-forum.org
[mailto:mpi3-subsetting-bounces@lists.mpi-forum.org] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Supalov, Alexander<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Saturday, April 26, 2008 2:41
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> MPI 3.0 Sub-setting
working group<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re:
[Mpi3-subsetting] no subset slot;action item I need your help
with</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi,</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Draft report-out is
available for comments, see <A
href="http://svn.mpi-forum.org/trac/mpi-forum-web/attachment/wiki/SubsettingWikiPage/MPI-3%20subsetting%2C%20take%202.pdf">http://svn.mpi-forum.org/trac/mpi-forum-web/attachment/wiki/SubsettingWikiPage/MPI-3%20subsetting%2C%20take%202.pdf</A> . Protected
PDF is used to meet Intel Legal requirement for external
publications.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Updated proposal, see
<A
href="http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets">http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets</A>, cites
Jeff's and Dick's MPI_Init ideas. Am looking for a link to Rainer's paper for
the compile time subsetting section.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">If no-one will take on
the surveys soon, we'll have to drop this idea.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Best
regards.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Alexander</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Supalov,
Alexander <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, April
25, 2008 9:13 PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 'MPI 3.0
Sub-setting working group'<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: no subset slot; action item I
need your help with</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi
everybody,</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">I've done my action
items to the best of ability and time available. See the updated proposal
in the Wiki.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Am still looking for a
volunteer to organize the user and implementor
surveys.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">I don't think we'll
have a big report out - just a couple of slides on the real progress. I'll do
them on the plane.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">See you in <st1:City
w:st="on"><st1:place
w:st="on">Chicago</st1:place></st1:City>.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Alexander</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Supalov,
Alexander <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, April
22, 2008 3:10 PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 'MPI 3.0
Sub-setting working group'<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> no subset slot; action item I need
your help with</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi
everybody,</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Due to scheduling
constraints, we're not going to have a special subset slot during the coming MPI
Forum meeting. For that we'll have about 2 hours to discuss MPI-3 structure
where subsets should figure prominently. If there's interest to talk
subsets beyond this opportunity, I suggest that we meet as a group at one of the
dinners or 1:1 as we bump into each other.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Now, the action items
from the last telecon. I need your help on one of
them:</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- Create two query pages</SPAN></FONT><FONT size=2><SPAN
style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- For users - what their minimum subset would look like
(functionality, performance)</SPAN></FONT><FONT size=2><SPAN
style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- For implementors - what they can profit from (performance,
footprint)</SPAN></FONT><FONT size=2><SPAN
style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">I remember someone at
the telecon had a very good suggestion about how to formulate this. Can you take
over this task now?</SPAN></FONT><FONT size=2><SPAN
style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">I'm about to engage on
the following three and the final MPI-2.1 review:</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT face=Arial
color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Alexander will add the description of the complexity matter upfront to make
readers see their favorite pain points<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Alexander will add the existing laundry list of
controllable features and ask for associated perf/footprint
data<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Alexander will prepare to participate in the MPI-3 structure discussion at the
meeting<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Best
regards.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Alexander</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Supalov,
Alexander <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday,
April 09, 2008 6:23 PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 'MPI
3.0 Sub-setting working group'<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: telecon, Wednesday, April 9,
8:00 am PDT/10:00 CDT/11:00 EDT/17:00 CEST</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi
everybody,</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Thanks for your time
today. Here's what we discussed (I captured what I could, please
add/modify):</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Present: Richard
Graham, David Gingold, Keith Underwood, Alexander
Supalov</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">-
Opens</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">- Discussion of the
proposal (see <A title=http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets
href="http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets">http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets</A>)</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - Complexity
needs to be defined. Discussion on the aspects:</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Many people only use a few calls, don't need the rest; difficulty of learning is
related to this</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Sheer mass of the number of calls expected in MPI-3 may make complexity
unmanageable, requires hierarchy</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Performance implications are not considered primary motivation for subsetting,
but removing them may help</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- E.g., extra cache effects may be induced by complexity (e.g.,
communicators)</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- This can in principle be defeated by prioritization of the hottest data
fields</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - We'll add
the existing laundry list of things that may affect
performance<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Inviting people to quantify the performance benefits may help to identify
promising areas<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - We
may need hard facts to gauge potential performance
gains</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- We may need "fast stuff" subset people will safely be able to
use</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - Making parts
of the standard optional may be easier with subsets<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Dynamic processes seem to be a good example - some may
disagree<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- You may wait for the pull or create it; anyway, there's no big pull on this in
the volume market yet<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- High end users are starting to use dynamic processes,
though<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - Selection at
compile- link-, and runtime</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Compiler time is a little controversial, but there are already some measurements
that quantify this</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Link time comes in 3 forms</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- Static linker is smart and will pull out of the .a only those components the
program uses</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- Dynamic linker is not smart, but there's chance to
either</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- Do dlopen from within MPI to load extra modules (not everyone's favorite),
or</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- Switch on/off parts of functionality in a bigger library - this is where
runtime comes in</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Runtime (MPI_Init and/or per-communicator basis)</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- E.g., disabling MPI_ANY_SOURCE on a communicator may speed up
processing</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - Should a
program that runs on a subset also run on a full MPI implementation? Probably,
yes</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - There's
need to convince the community that subsetting is a good idea, and portability
will help</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
There should be one standard but flexibility for MPI to adapt to a particular
set of applications</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
If applications are portable across MPI, they won't actually care of the rest of
MPI</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - The shape of
MPI-3 may be strongly influenced by subsets</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
The whole of the standard may be split into subsets, some of which might be
optional</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Vocal opponents may wrack subsets; we need hard data before we bring this matter
up</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - Should subsets
be predefined or should MPI provide a mechanism to define
them</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Think error handling: mechanism is there, as are several predefined handlers;
this model works</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Danger of proliferation of multiple mutually incompatible subsets will increase
with the mechanism definition</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> - Next
steps</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Alexander will add the description of the complexity matter upfront to make
readers see their favorite pain points</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Alexander will add the existing laundry list of
controllable features and ask for associated perf/footprint
data</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Alexander create two query pages</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- For users - what their minimum subset would look like
(functionality, performance)</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
- For implementors - what they can profit from (performance,
footprint)</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> -
Alexander will prepare to participate in the MPI-3 structure discussion at the
meeting</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Best
regards.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Alexander</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Supalov,
Alexander <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, April
08, 2008 5:26 PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 'MPI 3.0
Sub-setting working group'<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> telecon, Wednesday, April 9, 8:00
am PDT/10:00 CDT/1</SPAN></FONT><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">1</SPAN></FONT><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">:00
EDT/17:00 CEST</SPAN></FONT><o:p></o:p></P>
<P><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi
everybody,</SPAN></FONT><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">This is a
reminder: the subsetting telecon will be held on Wednesday, April
9, 8:00 am PDT/10:00 CDT/12:00 EDT/17:00 CEST. The bridge details are as
follows:</SPAN></FONT><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Outside Intel:
+1-916-356-2663, Inside Intel: 8-356-2663, Bridge: 5, Passcode:
2603880</SPAN></FONT><o:p></o:p></P>
<P><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">The primary goal will
be to go thru the draft proposal available in the Wiki (see <A
title=http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets
href="http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets">http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets</A>),
and to see what we can report to the Forum end of April.</SPAN></FONT><FONT
face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <FONT
color=blue><SPAN style="COLOR: blue">Please send to me additional agenda
items you want to discuss.</SPAN></FONT></SPAN></FONT><o:p></o:p></P>
<P><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Best
regards.</SPAN></FONT><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Alexander</SPAN></FONT><FONT
face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">--<o:p></o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><SPAN class=spelle><FONT face=Arial color=blue size=2><SPAN
lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Dr</SPAN></FONT></SPAN><FONT
face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> Alexander
Supalov<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Intel
GmbH<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><SPAN class=spelle><FONT face=Arial color=blue size=2><SPAN
lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hermuelheimer</SPAN></FONT></SPAN><FONT
face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> Strasse
8a<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">50321 <SPAN
class=spelle>Bruehl</SPAN>, Germany<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Phone: +49
2232 209034<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Mobile:
+49<I><SPAN style="FONT-STYLE: italic"> </SPAN></I>173 511
8735<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN lang=DE
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Fax:
+49 2232 209029<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">---------------------------------------------------------------------<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Intel GmbH<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Dornacher Strasse 1<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">85622 Feldkirchen/Muenchen <st1:country-region w:st="on"><st1:place w:st="on">Germany</st1:place></st1:country-region><o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Sitz der Gesellschaft: Feldkirchen bei Muenchen<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Registergericht: Muenchen HRB 47456 Ust.-IdNr.<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">VAT Registration No.: DE129385895<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Citibank Frankfurt (BLZ 502 109 00) 600119052<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">This e-mail and any attachments may contain confidential material for<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">the sole use of the intended recipient(s). Any review or distribution<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">by others is strictly prohibited. If you are not the intended<o:p></o:p></SPAN></FONT></PRE><PRE><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">recipient, please contact the sender and delete all copies.<o:p></o:p></SPAN></FONT></PRE></DIV></DIV><pre>---------------------------------------------------------------------
Intel GmbH
Dornacher Strasse 1
85622 Feldkirchen/Muenchen Germany
Sitz der Gesellschaft: Feldkirchen bei Muenchen
Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer
Registergericht: Muenchen HRB 47456 Ust.-IdNr.
VAT Registration No.: DE129385895
Citibank Frankfurt (BLZ 502 109 00) 600119052
This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.
</pre></BODY></HTML>