<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">The MPICH team is pleased to announce the availability of a new stable release mpich-3.1.2.</span><div style="font-family:arial,sans-serif;font-size:13px">
<font face="arial, sans-serif"><br></font></div><div style="font-family:arial,sans-serif;font-size:13px"><font face="arial, sans-serif">This is a stable release that adds </font>significant enhancements to the BG/Q device, especially for RMA and shared memory functionality. It also contains enhancements to ROMIO and fixes several bugs present in 3.1.1. </div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">All production environments are encouraged to upgrade to this release.<font face="arial, sans-serif"><br>
</font><div><br></div><div>More information about the release can be found on the MPICH website:<br></div><div><br><a href="http://www.mpich.org/" target="_blank">http://www.mpich.org</a><br><br>A list of changes in this release is included at the end of this email.<br>
<br>Regards,<br><br>The MPICH Team</div><div><font face="arial, sans-serif"><br></font></div><div>===============================================================================<br></div><div><font face="arial, sans-serif"><div>
Changes in 3.1.2</div><div>===============================================================================</div><div><br></div><div> # Significant enhancements to the BG/Q device, especially for RMA and</div>
<div> shared memory functionality.</div><div><br></div><div> # Several enhancements to ROMIO.</div><div><br></div><div> # Upgraded to hwloc-1.9.</div><div><br></div><div> # Added more Fortran 2008 (F08) tests and fixed a few F08 binding bugs.</div>
<div> Now all MPICH F90 tests have been ported to F08.</div><div><br></div><div> # Updated weak alias support to align with gcc-4.x</div><div><br></div><div> # Minor enhancements to the CH3 RMA implementation.</div><div>
<br></div><div> # Better implementation of MPI_Allreduce for intercommunicator.</div><div><br></div><div> # Added environment variables to control memory tracing overhead.</div><div><br></div><div> # Added flags to enable C99 mode with Solaris compilers.</div>
<div><br></div><div> # Updated implementation of MPI-T CVARs of type MPI_CHAR, as interpreted</div><div> in MPI-3.0 Errata.</div><div><br></div><div> # Several other minor bug fixes, memory leak fixes, and code cleanup.</div>
<div><br></div><div> A full list of changes is available at the following link:</div><div><br></div><div> <a href="http://git.mpich.org/mpich.git/shortlog/v3.1.1..v3.1.2" target="_blank">http://git.mpich.org/mpich.git/shortlog/v3.1.1..v3.1.2</a></div>
<div><br></div><div> A full list of bugs that have been fixed is available at the</div><div> following link:</div><div><br></div><div> <a href="https://trac.mpich.org/projects/mpich/query?status=closed&group=resolution&milestone=mpich-3.1.2" target="_blank">https://trac.mpich.org/projects/mpich/query?status=closed&group=resolution&milestone=mpich-3.1.2</a></div>
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