{"id":580601,"date":"2019-02-01T09:44:41","date_gmt":"2019-02-01T13:44:41","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20190000271"},"modified":"2019-02-01T09:44:41","modified_gmt":"2019-02-01T13:44:41","slug":"methodology-and-application-of-hpc-io-characterization-with-mpiprof-and-iot","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=580601","title":{"rendered":"Methodology and Application of HPC I\/O Characterization with MPIProf and IOT"},"content":{"rendered":"<p>Abstract: Combining the strengths of MPIProf and IOT, an efficient and systematic method is devised for I\/O characterization at the per-job, per-rank, per-file and per-call levels of HPC programs running on the NASA Advanced Supercomputing Center. This method is applied to answer four I\/O questions in this paper. A total of 13 MPI programs and 15 cases, ranging from 24 to 5968 ranks, are analyzed to establish the I\/O landscape from answers to the four questions. Four of the 13 programs use MPI I\/O and &#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Combining the strengths of MPIProf and IOT, an efficient and systematic method is devised for I\/O characterization at the per-job, per-rank, per-file and per-call levels of HPC programs running on the NASA Advanced Supercomputing Center. This&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-580601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/580601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=580601"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/580601\/revisions"}],"predecessor-version":[{"id":580602,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/580601\/revisions\/580602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=580601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=580601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=580601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}