{"id":463,"date":"2013-04-23T12:58:18","date_gmt":"2013-04-23T17:58:18","guid":{"rendered":"http:\/\/press.mcs.anl.gov\/darshan\/?p=463"},"modified":"2013-04-23T12:58:18","modified_gmt":"2013-04-23T17:58:18","slug":"darshan-2-2-6-release","status":"publish","type":"post","link":"https:\/\/wordpress.cels.anl.gov\/darshan\/2013\/04\/23\/darshan-2-2-6-release\/","title":{"rendered":"Darshan 2.2.6 release"},"content":{"rendered":"<p>Darshan 2.2.6 has been released. \u00a0This release includes performance enhancements as well as various minor bug fixes and\u00a0compatibility\u00a0improvements.<br \/>\nChangelog:<br \/>\n<span style=\"text-decoration: underline\">darshan-2.2.6<\/span><\/p>\n<ul>\n<li>Bug fixes:\n<ul>\n<li>make sure to honor user-specified hints passed in at runtime via the DARSHAN_LOGHINTS env variable.<\/li>\n<li>include fread and fwrite in darshan-job-summary.pl read and write counts<\/li>\n<li>fix segmentation fault on invalid arguments to darshan-parser<\/li>\n<\/ul>\n<\/li>\n<li>Performance enhancements:\n<ul>\n<li>collect mount point information at rank 0 and broadcast to all<\/li>\n<li>processes to avoid excess file system traffic on startup<\/li>\n<li>change default MPI-IO hints for writing log file to romio_no_indep_rw=true and cb_nodes=4 to improve log creation performance<\/li>\n<\/ul>\n<\/li>\n<li>Install libdarshan-util and headers during installation process for darshan-util; patch contributed by Matthieu Dorier<\/li>\n<li>Detect PMPI support at link time when using compiler scripts produced by the darshan-gen-* utilities.  This avoids link problems when Darshan compiler wrappers are used with the ADIOS dummy MPI library; reported by Jingqing Mu<\/li>\n<li>Support MPICH_{CC\/CXX\/F77} environment variables in compiler scripts produced by the darshan-gen-* utilities<\/li>\n<li>Add instrumentation of startup time, enabled via DARSHAN_INTERNAL_TIMING environment variable<\/li>\n<li>Rename cp-shutdown-bench test utility to darshan-shutdown-bench and enable benchmarking hooks in library by default so that darshan-shutdown-bench can be used with any Darshan installation<\/li>\n<li>Remove deprecated &#8211;enable-st-dev-workaround configure option<\/li>\n<li>Misc. documentation updates<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Darshan 2.2.6 has been released. \u00a0This release includes performance enhancements as well as various minor bug fixes and\u00a0compatibility\u00a0improvements. Changelog: darshan-2.2.6 Bug fixes: make sure to honor user-specified hints passed in at runtime via the DARSHAN_LOGHINTS env variable. include fread and fwrite in darshan-job-summary.pl read and write counts fix segmentation fault on invalid arguments to darshan-parser &#8230; <a title=\"Darshan 2.2.6 release\" class=\"read-more\" href=\"https:\/\/wordpress.cels.anl.gov\/darshan\/2013\/04\/23\/darshan-2-2-6-release\/\" aria-label=\"Read more about Darshan 2.2.6 release\">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-463","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\/463","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=463"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/posts\/463\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/media?parent=463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/categories?post=463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/tags?post=463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}