<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><br><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>From: </b></span><span style="font-family:'Helvetica'; font-size:medium;">Lois Curfman McInnes <<a href="mailto:curfman@mcs.anl.gov">curfman@mcs.anl.gov</a>><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>Date: </b></span><span style="font-family:'Helvetica'; font-size:medium;">October 13, 2011 5:14:51 PM CDT<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>To: </b></span><span style="font-family:'Helvetica'; font-size:medium;">LANS Council <<a href="mailto:lans-council@mcs.anl.gov">lans-council@mcs.anl.gov</a>><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>Subject: </b></span><span style="font-family:'Helvetica'; font-size:medium;"><b>update from exascale workshop</b><br></span></div><br><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Hi folks ... I'm writing with a brief update from this week's exascale workshop; meeting info is here:</font></div><div><font class="Apple-style-span" face="Arial"> <a href="http://exascaleresearch.labworks.org/ascrOct2011/ascr">http://exascaleresearch.labworks.org/ascrOct2011/ascr</a></font></div><div><font class="Apple-style-span" face="Arial">including presentations, pointers to existing projects, prior workshops, etc. </font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Sven, Mihai, and I represented LANS; they may have additional comments. Other attendees from Argonne included reps from CESAR and Radix.</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">From my perspective, the most important note is that Bill Harrod announced plans for 2 upcoming exascale FOAs:</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">(1) X-Stack FOA: expected in November </font></div><div><font class="Apple-style-span" face="Arial"> - runtimes, programming models, languages, compilers, and tools: emphasis on cross-cutting among these</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">(2) Extreme-scale algorithms FOA: no specific date mentioned</font></div><div><font class="Apple-style-span" face="Arial"> - first a workshop for extreme-scale algorithms</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Other notes:</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Sandy Landsberg convened a brief meeting yesterday to discuss exascale math needs. An outcome is that a group will write a white paper; Mike Heroux is leading the whitepaper group, and Sven is the Argonne rep on the writing team.</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">I briefly spoke w. Rajeev Thakur and Rob Ross about the utility of increased dialogue among Radix and LANS folks in general -- they indicated interest in this. I know that some discussions are already happening.</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Another observation is that some other labs have pots of funding available for incubating projects that can then be poised to compete strongly in various FOAs. I wonder whether ANL has ever considered increasing the pool of money available for LDRD projects that serve this purpose + provide more opportunities for junior researchers to get experience in writing proposals. </font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">All for now --</font></div><div><font class="Apple-style-span" face="Arial">Lois </font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">P.S. - I plan to be at the lab on Nov 3 and 4.</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">- - - - - - - </font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Below are brief/incomplete notes from the final presentation of the workshop by Bill Harrod (ASCR) and Thuc Hoang (NNSA): </font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Challenges to achieving exascale computing: see prior presentation</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">Real challenges to achieving success: see prior presentation</font></div><div><font class="Apple-style-span" face="Arial"> - avoid mediocre solutions, etc ... </font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">How will we succeed:</font></div><div><font class="Apple-style-span" face="Arial"> - formulating dynamic plan, executing plan</font></div><div><font class="Apple-style-span" face="Arial"> - focus on enabling HPC community to achieve extreme scale computing to enable extreme-scale scientific discovery</font></div><div><font class="Apple-style-span" face="Arial"> - recognize what we do best and do it</font></div><div><font class="Apple-style-span" face="Arial"> - accept change</font></div><div><font class="Apple-style-span" face="Arial"> - open competition within DOE community for FOAs</font></div><div><font class="Apple-style-span" face="Arial"> - enable open discussions on exascale within DOE community</font></div><div><font class="Apple-style-span" face="Arial"> - enable an open collaborative environment</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">What's next:</font></div><div><font class="Apple-style-span" face="Arial"> - Complete exascale plan: needs to be done by Nov 10</font></div><div><font class="Apple-style-span" face="Arial"> - Release ASCR/X-Stack solicitation: expected in November </font></div><div><font class="Apple-style-span" face="Arial"> - runtimes, prog models, languages, compilers, and tools</font></div><div><font class="Apple-style-span" face="Arial"> - formulate the software stack plan</font></div><div><font class="Apple-style-span" face="Arial"> - workshop for extreme-scale algorithms</font></div><div><font class="Apple-style-span" face="Arial"> - electrical vs. optical interconnect workshop</font></div><div><font class="Apple-style-span" face="Arial"> - release ASCR/Extreme scale algorithms FOA</font></div><div><font class="Apple-style-span" face="Arial"> - more workshops, more FOAs</font></div><div><font class="Apple-style-span" face="Arial"> - subject to available funding</font></div><div><font class="Apple-style-span" face="Arial"> - start funding software technology, path forward and system design programs</font></div><div><font class="Apple-style-span" face="Arial"> - April 16-19, 2012: Exascale research meeting and roadmapping workshop (might expand to include April 20)</font></div><div><br></div></div></blockquote></div><br></body></html>