<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><span>hmmm I'm still not able to make the code work on my cluster with GPUs :(</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span><br><br></span></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> Il Mercoledì 14 Maggio 2014 19:33, Jed Brown <jed@jedbrown.org> ha scritto:<br> </font> </div> <div class="y_msg_container">mary sweat
<<a shape="rect" ymailto="mailto:mary.sweat78@yahoo.it" href="mailto:mary.sweat78@yahoo.it">mary.sweat78@yahoo.it</a>> writes:<div class="yqt3545146188" id="yqtfd39240"><br clear="none"><br clear="none">> I'm trying to use Petsc to solve a system with ksp preconditioned with<br clear="none">> jacobi. Is this algorithm effivient in a GPU cluster?</div><br clear="none"><br clear="none">That algorithm runs fine on the GPU if the problem size is large enough,<br clear="none">but why are you using that algorithm? (It converges very slowly for<br clear="none">most problems.)<br><br></div> </div> </div> </div> </div></body></html>