{"id":167,"date":"2014-10-08T14:19:16","date_gmt":"2014-10-08T14:19:16","guid":{"rendered":"http:\/\/press3.mcs.anl.gov\/romio\/?p=167"},"modified":"2014-10-08T14:19:16","modified_gmt":"2014-10-08T14:19:16","slug":"romio-changes-in-mpich-3-1-3","status":"publish","type":"post","link":"https:\/\/wordpress.cels.anl.gov\/romio\/2014\/10\/08\/romio-changes-in-mpich-3-1-3\/","title":{"rendered":"ROMIO changes in MPICH-3.1.3"},"content":{"rendered":"<p>The MPICH team<a title=\"MPICH 3.1.3 release notes\" href=\"http:\/\/www.mpich.org\/2014\/10\/08\/mpich-3-1-3-released\/\"> released 3.1.3 on October 8th<\/a>.\u00a0 Here are the main new ROMIO-related things in this release (not everything: just the highlights):<br \/>\n&#8211; Fix for an unfortunate bug in which I could end up storing too big a value into an Info parameter, causing a crash at larger core counts.<br \/>\n&#8211; The MPI-3 type HINDEXED_BLOCK was only nominally supported, and in a buggy way at that.\u00a0 now HINDEXED_BLOCK will work.<br \/>\n&#8211; some fixes for very large file accesses<br \/>\n&#8211; improvements to the &#8220;<a title=\"Deferred Open\" href=\"http:\/\/press3.mcs.anl.gov\/romio\/2003\/08\/05\/deferred-open\/\">deferred open<\/a>&#8221; optimization &#8212; now defers the open call in more situations<br \/>\n&#8211; a small reduction in number of system calls used to process &#8220;<a title=\"system hints: hints via config file\" href=\"http:\/\/press3.mcs.anl.gov\/romio\/2008\/09\/26\/system-hints-hints-via-config-file\/\">systemwide hints<\/a>&#8221;<br \/>\n&#8211; some improvements to Blue Gene specific routines.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The MPICH team released 3.1.3 on October 8th.\u00a0 Here are the main new ROMIO-related things in this release (not everything: just the highlights): &#8211; Fix for an unfortunate bug in which I could end up storing too big a value into an Info parameter, causing a crash at larger core counts. &#8211; The MPI-3 type &hellip;<\/p>\n","protected":false},"author":362,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-167","post","type-post","status-publish","format-standard","hentry","category-releases"],"acf":[],"_links":{"self":[{"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/posts\/167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/users\/362"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/comments?post=167"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/posts\/167\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/media?parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/categories?post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/romio\/wp-json\/wp\/v2\/tags?post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}