{"id":771,"date":"2015-02-08T15:53:59","date_gmt":"2015-02-08T15:53:59","guid":{"rendered":"http:\/\/press3.mcs.anl.gov\/darshan\/?p=771"},"modified":"2015-02-08T15:53:59","modified_gmt":"2015-02-08T15:53:59","slug":"darshan-2-3-1-pre2-experimental-release","status":"publish","type":"post","link":"https:\/\/wordpress.cels.anl.gov\/darshan\/2015\/02\/08\/darshan-2-3-1-pre2-experimental-release\/","title":{"rendered":"Darshan 2.3.1-pre2 experimental release"},"content":{"rendered":"<p>Darshan 2.3.1-pre2 is now available on the <a title=\"Download\" href=\"http:\/\/press3.mcs.anl.gov\/darshan\/download\/\">download<\/a> page for testing and feedback.\u00a0 The most significant changes since 2.3.1-pre1 are better support for recent MPICH releases, examples and documentation for the -profile hooks in MPICH, and the addition of a regression testing framework.\u00a0 Our plan is to feature freeze at this point and focus on platform testing for the final 2.3.1 release.<br \/>\nThe full changelog since 2.3.0 is as follows:<br \/>\ndarshan-2.3.1-pre2<br \/>\n=============<br \/>\n* added documentation and example configuration files for using the -profile or $MPICC_PROFILE hooks to add instrumentation to MPICH-based MPI<br \/>\nimplementations without generating custom wrapper scripts<br \/>\n* Add wrappers for mkstemp(), mkostemp(), mkstemps(), and mkostemps() (reported by Tom Peterka)<br \/>\n* Change OPEN_TIMESTAMP field to report timestamp right before open() is invoked rather than after timestamp after open is completed. NOTE: updated log format version to 2.06 to reflect this change.<br \/>\n* Change start_time and end_time fields in job record to use min and max (respectively) across all ranks<br \/>\n* Fix bug in write volume data reported in file system table in darshan-job-summary.pl (reported by Matthieu Dorier)<br \/>\n* Clean up autoconf test for zlib and make zlib mandatory (reported by Kalyana Chadalavada)<br \/>\n* add &#8211;start-group and &#8211;end-group notation to Darshan libraries for Cray PE 2.x environment to fix link-time corner cases (Yushu Yao)<br \/>\n* improve y axis labels on time interval graphs in darshan-job-summary.pl (reported by Tom Peterka)<br \/>\n* misc. improvements to darshan-parser &#8211;perf output (reported by Shane Snyder)<br \/>\n&#8211; indicate which rank was slowest in unique file results<br \/>\n&#8211; label I\/O vs. meta time more clearly<br \/>\n&#8211; include unique file meta time in agg_perf_by_slowest calculation<br \/>\n* added regression test script framework in darshan-test\/regression\/<br \/>\n&#8211; workstation-static and workstation-dynamic test environments supported<br \/>\n* update darshan-gen-fortran.pl and darshan-gen-cxx.pl to support new library naming conventions in MPICH 3.1.1 and higher<br \/>\n* update documentation to reflect known issues with some versions of MPICH<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Darshan 2.3.1-pre2 is now available on the download page for testing and feedback.\u00a0 The most significant changes since 2.3.1-pre1 are better support for recent MPICH releases, examples and documentation for the -profile hooks in MPICH, and the addition of a regression testing framework.\u00a0 Our plan is to feature freeze at this point and focus on &#8230; <a title=\"Darshan 2.3.1-pre2 experimental release\" class=\"read-more\" href=\"https:\/\/wordpress.cels.anl.gov\/darshan\/2015\/02\/08\/darshan-2-3-1-pre2-experimental-release\/\" aria-label=\"Read more about Darshan 2.3.1-pre2 experimental 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-771","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\/771","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=771"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/posts\/771\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/media?parent=771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/categories?post=771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.cels.anl.gov\/darshan\/wp-json\/wp\/v2\/tags?post=771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}