{"id":1013,"date":"2016-09-30T18:52:57","date_gmt":"2016-09-30T18:52:57","guid":{"rendered":"http:\/\/press3.mcs.anl.gov\/darshan\/?p=1013"},"modified":"2016-09-30T18:52:57","modified_gmt":"2016-09-30T18:52:57","slug":"new-darshan-3-1-0-release-now-available","status":"publish","type":"post","link":"https:\/\/wordpress.cels.anl.gov\/darshan\/2016\/09\/30\/new-darshan-3-1-0-release-now-available\/","title":{"rendered":"New Darshan 3.1.0 release now available"},"content":{"rendered":"<p>Darshan version 3.1.0 is now available for release!\u00a0This version contains a number of general enhancements to the code base:<\/p>\n<ul>\n<li>addition of a stdio I\/O library instrumentation module\n<ul>\n<li>this handles more in-depth instrumentation of file stream I\/O functions\u00a0like fopen(), fprintf(), fscanf(), etc.<\/li>\n<li>this module also captures stats on the standard I\/O streams (stdin,\u00a0stdout, &amp; stderr)<\/li>\n<\/ul>\n<\/li>\n<li>addition of a Lustre instrumentation module\n<ul>\n<li>this module provides Lustre striping details (e.g., stripe\u00a0width, stripe size, list of OSTs a file is striped over)<\/li>\n<\/ul>\n<\/li>\n<li>addition of a new mmap-based logging mechanism that allows Darshan to\u00a0generate output logs even in cases where applications don&#8217;t\u00a0call MPI_Finalize()\n<ul>\n<li>Note that these logs are uncompressed and are per-process rather\u00a0than per-job<\/li>\n<\/ul>\n<\/li>\n<li>addition of the darshan-merge utility to darshan-util to allow per-process\u00a0logs generated by the mmap-based logging mechanism to be converted\u00a0into Darshan&#8217;s traditional compressed per-job log files<\/li>\n<li>modification of the POSIX module timestamp counters to also include a\u00a0LAST_OPEN &amp; FIRST_CLOSE counters to give more details on application\u00a0I\/O intervals<\/li>\n<\/ul>\n<p>This version has been tested extensively on a number of platforms.\u00a0As always, please let us know if you have any issues, questions, or comments using either our <a href=\"https:\/\/lists.mcs.anl.gov\/mailman\/listinfo\/darshan-users\">mailing list<\/a> or the <a href=\"https:\/\/xgitlab.cels.anl.gov\/darshan\/darshan\">Darshan GitLab page<\/a>.<br \/>\nThe release tarball can be downloaded <a href=\"ftp:\/\/ftp.mcs.anl.gov\/pub\/darshan\/releases\/darshan-3.1.0.tar.gz\">HERE<\/a>.<br \/>\nDocumentation for this version of Darshan can be found <a href=\"http:\/\/press3.mcs.anl.gov\/darshan\/documentation\/\">HERE<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Darshan version 3.1.0 is now available for release!\u00a0This version contains a number of general enhancements to the code base: addition of a stdio I\/O library instrumentation module this handles more in-depth instrumentation of file stream I\/O functions\u00a0like fopen(), fprintf(), fscanf(), etc. this module also captures stats on the standard I\/O streams (stdin,\u00a0stdout, &amp; stderr) addition &#8230; <a title=\"New Darshan 3.1.0 release now available\" class=\"read-more\" href=\"https:\/\/wordpress.cels.anl.gov\/darshan\/2016\/09\/30\/new-darshan-3-1-0-release-now-available\/\" aria-label=\"Read more about New Darshan 3.1.0 release now available\">Read more<\/a><\/p>\n","protected":false},"author":444,"featured_media":0,"comment_status":"closed","ping_status":"closed","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":"","_members_access_role":[],"_members_access_error":""},"categories":[1],"tags":[],"class_list":["post-1013","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/posts\/1013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/users\/444"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/comments?post=1013"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/posts\/1013\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/media?parent=1013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/categories?post=1013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/tags?post=1013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}