{"id":1206,"date":"2015-07-02T13:08:34","date_gmt":"2015-07-02T04:08:34","guid":{"rendered":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/?p=1206"},"modified":"2015-07-07T15:36:37","modified_gmt":"2015-07-07T06:36:37","slug":"sdn-mpi-bcast","status":"publish","type":"post","link":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/sdn-mpi-bcast\/","title":{"rendered":"Design and implementation of SDN MPI_Bcast"},"content":{"rendered":"<p>In this study, high-speed MPI_Bcast leveraging Software-Defined Networking (SDN) has been explored. MPI (Message Passing Interface), a de facto starndard library for distributed and parallel computing, provides a suite of APIs(Application Programming Interfaces) for inter-process communication. This study, in particular, focuses on MPI_Bcast, a collective communication API, with which programmers can send a specific data from a process to other remained processes and aims to reduce MPI_Bcast execution time. Speficically, we have been developing the SDN controller that control MPI_Bcast traffic on the interconnect through the consideration on MPI_Bcast communication pattern and the underlying computing and network environment.<\/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> 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. (10.1007\/978-3-642-54420-0_86)<\/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, &#8220;Experience and Expertise of Designing SDN MPI_Bcast&#8221;, PRAGMA 25, Beijing, China, Oct. 2013.<\/li>\n<\/ul>\n<\/div>\nRelated graduation thesis<br \/>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-check\" style=\"color:#333\"><\/i> Dashdavaa Khureltulga, &#8220;Reliability Improvement of SDN MPI_Bcast Leveraging Low-latency Ring Communication&#8221;, Master thesis, Graduate School of Information Science and Technology Osaka University, Feb. 2015.<\/li>\n<li><i class=\"sui sui-check\" style=\"color:#333\"><\/i> Dashdavaa Khureltulga, &#8220;Design and Implementation of High-speed MPI_Bcast leveraging Software-Defined Network&#8221;, Bachelor thesis, School of Engineering Osaka University, Feb. 2013.<\/li>\n<\/ul>\n<\/div>\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>In this study, high-speed MPI_Bcast leveraging Software-Defined Networking (SDN) has been explored. MPI (Message Passing Interface), a de facto starndard library for distributed and parallel computing, provides a suite of APIs(Application Programming Interfaces) for inter-process communication. This study, in particular,<a href=\"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/sdn-mpi-bcast\/\">&#8230;\u3010\u7d9a\u304d\u3092\u8aad\u3080\u3011<\/a><\/p>\n","protected":false},"author":1,"featured_media":814,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,36],"tags":[],"class_list":["post-1206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hpc-en","category-theme-en"],"_links":{"self":[{"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1206\/"}],"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=1206"}],"version-history":[{"count":3,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1206\/revisions\/"}],"predecessor-version":[{"id":1322,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/posts\/1206\/revisions\/1322\/"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/media\/814\/"}],"wp:attachment":[{"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/media\/?parent=1206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/categories\/?post=1206"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ds-server.ais.cmc.osaka-u.ac.jp\/en\/wp-json\/wp\/v2\/tags\/?post=1206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}