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<p class="MsoNormal"><span style="font-size:11.0pt">A new stable release candidate of MPICH, 4.3.1rc1, is now available for download. See the CHANGES below for a detailed list of fixes.<br>
<br>
At this stage, only critical bugs will be fixed before the 4.3.1 GA release. Please give it a try!<br>
<br>
You can find the release on our downloads page (<a href="https://urldefense.us/v3/__https://www.mpich.org/downloads/__;!!G_uCfscf7eWS!erGUaX4r4Ld8x70a0uJlhHnUh_jbpu80p5qgKDmAgfHBwed_TdFd79jq2uJWj2JQ-vonJtIsCtagN6QF$">https://www.mpich.org/downloads/</a>)<br>
<br>
Regards,<br>
The MPICH team<br>
<br>
</span>====================================================================</p>
<p class="MsoNormal"> Changes in 4.3.1</p>
<p class="MsoNormal">====================================================================</p>
<p class="MsoNormal"># Fix initialization in GPU-aware builds when no devices are present</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix internal pmix.h header conflict when building with an external</p>
<p class="MsoNormal"> PMIx library.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix build issue with Slurm by removing dependency on libslurm and</p>
<p class="MsoNormal"> always using internal logic for parsing the Slurm hostfile.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix potential stale GPU IPC handle usage resulting in data corruption</p>
<p class="MsoNormal"> or crashes</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Update XPMEM thresholds to avoid excessive buffer mapping overhead</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix potential hang in ROMIO when setting info hints on certain files</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Improved detection of incompatible PMI[x] client/server configuration</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix use of PMIX_PREFIX attribute for certain versions of OpenPMIx</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix Intel GPU output with MPIR_CVAR_DEBUG_SUMMARY</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix F08 binding compilation with nvfortran</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix line continuations with Hydra's --configfile option</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix valgrind uninitialized read warnings in ch3</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fix missing mpixxx_opts.conf file with help text for mpicc and friends</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># Fixes for several compiler warnings</p>
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