<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Peixin,<div class=""><br class=""></div><div class="">We have an updated version of the fat-tree model in CODES that supports oversubscription and we plan to contribute it back to CODES soon.</div><div class=""><br class=""></div><div class="">---</div><div class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Nikhil Jain<br class="">Postdoctoral Fellow, Lawrence Livermore National Laboratory<br class=""><a href="mailto:nikhil.jain@acm.org" class="">nikhil.jain@acm.org</a>, <a href="http://nikhil-jain.github.io/" class="">http://nikhil-jain.github.io/</a></div></div></div></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On Jan 31, 2017, at 09:02, Peixin Qiao <<a href="mailto:pqiao@hawk.iit.edu" class="">pqiao@hawk.iit.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi there,<div class=""><br class=""></div><div class="">When I do research about fat-tree topology uisng CODES, the fat-tree.conf shows that the topology is with an oversubscription of 1:1, which indicates that all hosts may potentially communicate with arbitrary other hosts at the full bandwidth of their network interface. But the Stampede systems, which I simulated is with an oversubscription of 1.25:1, which means that each leaf switch with 36 ports is directly connected to 20 hosts and 16 ports in the core switch. So, does CODES support this configuration? And how should I modify the configuration file?<br class=""></div><div class=""><br class=""></div><div class="">Best Regards,</div><div class="">Peixin Qiao</div></div>
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