{"id":1188,"date":"2015-07-02T11:30:54","date_gmt":"2015-07-02T02:30:54","guid":{"rendered":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/?p=1188"},"modified":"2015-10-18T00:14:29","modified_gmt":"2015-10-17T15:14:29","slug":"interproc-com2","status":"publish","type":"post","link":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/interproc-com2\/","title":{"rendered":"Runtime inter-process communication control"},"content":{"rendered":"<p>By controlling the interconnect of a cluster system as a dynamically controllable resource, we have been promoting research on technology and technique for optimization and streamlining of inter-process communication occured during distributed and parallel computing. In particular, this study focuses on MPI (Message Passing Interface), a de facto starndard library for distributed and prallel programming and aims to reduce the execution time of MPI collective communication. For this purpose, we have taken a strategy of introducing SDN (Software Defined Networking), a newly-emerged networking concept that enables dynamic control of network flows for MPI.<\/p>\n<p>&nbsp;<\/p>\n<blockquote><p>\nResearch achievement(paper)<br \/>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-check\" style=\"color:#333\"><\/i> Baatarsuren Munkhdorj, Keichi Takahashi, Dashdavaa Dashdavaa, Yasuhiro Watashiba, Yoshiyuki Kido, Susumu Date and Shinji Shimojo, \u201cDesign and Implementation of Control Sequence Generator for SDN-enhanced MPI\u201d, The 5th International Workshop on Network-aware Data Management(NDM\u201915), Austin, Nov. 2015. (accpeted)\n<\/li>\n<li><i class=\"sui sui-check\" style=\"color:#333\"><\/i>  Keichi Takahashi, Dashdavaa Khureltulga, Yasuhiro Watashiba, Yoshiyuki Kido, Susumu Date, Shinji Shimojo, &#8220;Performance Evaluation of SDN-enhanced MPI_Allreduce on a Cluster System with Fat-tree Interconnect&#8221;, The International Conference on High Performance Computing and Simulations (HPCS2014), pp. 784 &#8211; 792, Jul. 2014. (<a href=\"http:\/\/ieeexplore.ieee.org\/xpl\/articleDetails.jsp?arnumber=6903768\">10.1109\/HPCSim.2014.6903768<\/a>)<\/li>\n<li><i class=\"sui sui-check\" style=\"color:#333\"><\/i>  Khureltulga Dashdavaa, Susumu Date, Hiroaki Yamanaka, Eiji Kawai, Yasuhiro Watashiba, Kohei Ichikawa, Hirotake Abe, and Shinji Shimojo, \u201dArchitecture of a High-speed MPI_Bcast Leveraging Software-Defined Network\u201d, The 6th Workshop on UnConventional High Performance Computing\u30002013, Lecture Notes in Computer Science Volume 8374, 2014, pp 885-894, Aachen, Germany, Aug. 2013. (<a href=\"http:\/\/link.springer.com\/chapter\/10.1007\/978-3-642-54420-0_86\">10.1007\/978-3-642-54420-0_86<\/a>)<\/li>\n<\/ul>\n<\/div>\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>By controlling the interconnect of a cluster system as a dynamically controllable resource, we have been promoting research on technology and technique for optimization and streamlining of inter-process communication occured during distributed and parallel computing. In particular, this study focuses<a href=\"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/interproc-com2\/\">&#8230;\u3010\u7d9a\u304d\u3092\u8aad\u3080\u3011<\/a><\/p>\n","protected":false},"author":1,"featured_media":579,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,41],"tags":[],"class_list":["post-1188","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hpc-en","category-project-en"],"_links":{"self":[{"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1188\/"}],"collection":[{"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/posts\/"}],"about":[{"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/types\/post\/"}],"author":[{"embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/users\/1\/"}],"replies":[{"embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/comments\/?post=1188"}],"version-history":[{"count":5,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1188\/revisions\/"}],"predecessor-version":[{"id":1389,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1188\/revisions\/1389\/"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/media\/579\/"}],"wp:attachment":[{"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/media\/?parent=1188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/categories\/?post=1188"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/tags\/?post=1188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}