<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br><blockquote type="cite"><div><br>Thanks,<br>================================<br> Keita Teranishi<br> Scientific Library Group<br> Cray, Inc.<br> <a href="mailto:keita@cray.com">keita@cray.com</a><br>================================<br><br>-----Original Message-----<br>From: petsc-users-bounces@mcs.anl.gov [<a href="mailto:petsc-users-bounces@mcs.anl.gov">mailto:petsc-users-bounces@mcs.anl.gov</a>] On Behalf Of Barry Smith<br>Sent: Thursday, March 25, 2010 8:38 PM<br>To: <a href="mailto:petsc-announce@mcs.anl.gov">petsc-announce@mcs.anl.gov</a><br>Cc: PETSc users list<br>Subject: [petsc-users] release of PETSc 3.1<br><br><br> PETSc users,<br><br> We are pleased to announce the release of PETSc 3.1; we urge all <br>users of PETSc 3.0 and earlier versions to upgrade in the near future.<br><br> We (Hong Zhang and Shrirang Shri) have provided new triangular <br>solve routines for all the sparse matrix data structures which should <br>result in a good performance improvement with many of the solvers.<br><br> As always the changes/additions to the PETSc API can be found at <a href="http://www.mcs.anl.gov/petsc/petsc-as/documentation/changes/31.html">http://www.mcs.anl.gov/petsc/petsc-as/documentation/changes/31.html</a> <br> please report all installation and usage problems to <a href="mailto:petsc-maint@mcs.anl.gov">petsc-maint@mcs.anl.gov</a><br><br> Thanks for your support,<br><br> Barry<br><br><br><br></div></blockquote></div><br></body></html>