{"id":951,"date":"2016-03-28T21:16:30","date_gmt":"2016-03-28T21:16:30","guid":{"rendered":"http:\/\/press3.mcs.anl.gov\/darshan\/?p=951"},"modified":"2016-03-28T21:16:30","modified_gmt":"2016-03-28T21:16:30","slug":"darshan-3-0-0-official-release-is-ready","status":"publish","type":"post","link":"https:\/\/wordpress.cels.anl.gov\/darshan\/2016\/03\/28\/darshan-3-0-0-official-release-is-ready\/","title":{"rendered":"Darshan 3.0.0 official release is ready"},"content":{"rendered":"<p>Darshan 3.0.0, the new modularized implementation\u00a0of Darshan, is now officially ready to be released! This is the first stable release of the Darshan 3.0 fork and builds off the experimental pre-releases we have been providing over the last few months. \u00a0We encourage users to consider upgrading to this version in the near future as it contains numerous enhancements over older versions: logging of full file paths, clearer parser and job summary output,\u00a0addition of a BG\/Q specific instrumentation module, future proofing for any upcoming instrumentation modules, etc.<br \/>\nThe following changes have been made\u00a0between this official release and the last pre-release (darshan-3.0.0-pre3):<\/p>\n<ul>\n<li>fix bug causing compile errors when building external utilities that use the darshan-util API\/library<\/li>\n<li>update docs to give debugging tips for cases where\u00a0Darshan logs are not generated<\/li>\n<li>update darshan-runtime docs to give information on upgrading Darshan<\/li>\n<li>fix shared library regression test script to check for\u00a0potential errors with Darshan symbols rather than\u00a0failing silently in these cases<\/li>\n<li>bug fix for determining minimum non-zero counters in\u00a0shared file reductions in all modules<\/li>\n<li>loosen Darshan&#8217;s PMPI symbol check to prevent inadvertent\u00a0disabling of Darshan for some MPICH builds<\/li>\n<li>bug fix for resolving MPI_Gather and MPI_Barrier when LDPRELOADing\u00a0Darshan&#8217;s shared libraries<\/li>\n<li>add more helpful error handling when opening 2.x version log files<\/li>\n<li>port darshan-diff utility over to new 3.0.0 log file format<\/li>\n<li>fix numerous configure bugs on Cray systems<\/li>\n<li>add synthetic benchmarking hooks for testing Darshan&#8217;s shutdown\u00a0procedure<\/li>\n<\/ul>\n<p>We have tested\u00a0this version extensively on a number of platforms over the last few months and are satisfied with the new features\u00a0and\u00a0Darshan&#8217;s overall\u00a0performance. Included in the darshan-runtime documentation (a link is provided\u00a0below) is some information on how to best upgrade from a Darshan 2.x version to Darshan 3.0.0. As always, please let us know if you have any issues or questions (using either the Darshan users mailing list or by opening an issue on the Darshan GitLab page).<br \/>\nThe release tarball can be downloaded <a href=\"http:\/\/www.mcs.anl.gov\/research\/projects\/darshan\/download\/\">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 3.0.0, the new modularized implementation\u00a0of Darshan, is now officially ready to be released! This is the first stable release of the Darshan 3.0 fork and builds off the experimental pre-releases we have been providing over the last few months. \u00a0We encourage users to consider upgrading to this version in the near future as it &#8230; <a title=\"Darshan 3.0.0 official release is ready\" class=\"read-more\" href=\"https:\/\/wordpress.cels.anl.gov\/darshan\/2016\/03\/28\/darshan-3-0-0-official-release-is-ready\/\" aria-label=\"Read more about Darshan 3.0.0 official release is ready\">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":""},"categories":[1],"tags":[],"class_list":["post-951","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\/951","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=951"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/posts\/951\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/media?parent=951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/categories?post=951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/tags?post=951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}