3.5.0

Highlights of some significant changes from the previous release.

• Darshan's documentation has moved to readthedocs.io
• Support large-count MPI-IO APIs introduced in MPI 4.0.
• Change the default mode of mmap I/O data to log file to enable.
• Fixed an issue of capturing I/O activities of NumPy programs.
• Adds a command-line option --version to print Darshan version for all utility tools.
• Bug fixes to handling of DAOS metrics in PyDarshan and the job summary command line tool.
• Enhancements to the job_stats and file_stats command line tools:
  • Adds new performance metrics of I/O bandwidth by slowest, I/O time by slowest, and total bytes.
  • Adds job and file levels of statistics for DAOS and DFS modules.

What's Changed

• Github action: remove setuptools version constrain by @wkliao in #1041
• TYP: Disable NumPy's deprecated mypy plugin by @tylerjereddy in #1038
• note how to preview documentation updates by @carns in #1042
• clang20 cleanups by @roblatham00 in #1035
• revise landing page by @carns in #1043
• Readthedocs: note on difference between latest and stable versions by @wkliao in #1045
• experimenting with modifying css for table by @carns in #1046
• BUG: correct DAOS and DFS layout in dataframe repacking that is consumed by the logutils accumulator API by @orcunyildiz in #1048
• Added I/O performance metrics to file_stats by @safaad in #1036
• Fix doc for Spack installation by @blastmaster in #1050
• add command-line option --version to print Darshan version by @wkliao in #1051
• Change mmap I/O default mode to enable by @wkliao in #1055
• remove duplicated entries appeared in darshan-mpiio-ld-opts by @wkliao in #1058
• darshan-config: add a complete list of options configured by @wkliao in #1054
• Add 4 missing MPI-IO APIs by @wkliao in #1059
• release checklist: add versioning guide line by @wkliao in #1061
• avoid div by zero in cli tools when there is no I/O by @carns in #1069
• ENH: add DAOS and DFS modules to job_stats and file_stats cli tools by @orcunyildiz in #1065
• support MPI-IO large count APIs by @wkliao in #1060
• remove deprecated asciidoc documentation by @carns in #1073
• Set default MPI-IO hint cb_nodes to 1 when using OpenMPI 5.0.5 and priors by @wkliao in #1071
• deprecate wrapper generators by @carns in #1039
• Wrap fcntl() calls by @roblatham00 in #1075
• Strictness fix for new compilers by @bnicolae in #1076
• Clean up some compiler warnings by @roblatham00 in #1078
• Minor fixes by @wkliao in #1080
• Setting --with-pnetcdf automatically enables enable_pnetcdf_mod by @wkliao in #1079
• DOC: add missing configure options to user guides by @wkliao in #1084
• Add pnetcdf lib to --dyn-ld-flags by @wkliao in #1085
• Patch darshan-apmpi.c and add Github CI to test autoperf by @wkliao in #1082
• fix compile warning of shadowing a previous local [-Wshadow] by @wkliao in #1083
• fix papi library path lookup by @wkliao in #1086
• Prepare release of 3.5.0 by @wkliao in #1081
• Add Darshan lib path to LD_LIBRARY_PATH by @wkliao in #1088
• Check autoperf submodule git SHA to determine whether to use patched darshan-apmpi.c by @wkliao in #1087

New Contributors

• @roblatham00 made their first contribution in #1035
• @orcunyildiz made their first contribution in #1048
• @safaad made their first contribution in #1036
• @blastmaster made their first contribution in #1050
• @bnicolae made their first contribution in #1076

Full Changelog: 3.4.7.1...3.5.0