On Fri, Jun 15, 2012 at 8:22 PM, Alexander Grayver <agrayver at gfz-potsdam.de>wrote:
> Hello, > > When I call MatMult with MPIDENSE matrix in log summary I see: > > Event Count Time (sec) Flops > --- Global --- --- Stage --- Total > Max Ratio Max Ratio Max Ratio Mess Avg len > Reduct %T %f %M %L %R %T %f %M %L %R Mflop/s > ------------------------------**------------------------------** > ------------------------------**------------------------------ > MatMult 1 1.0 9.5740e-01 1.5 8.19e+08 1.0 0.0e+00 0.0e+00 > 1.0e+00 2 40 0 0 5 2 40 0 0 6 3419 > MatMultTranspose 1 1.0 1.0793e+00 1.4 8.18e+08 1.0 0.0e+00 0.0e+00 > 2.0e+00 2 40 0 0 11 2 40 0 0 11 3030 > > > Why do number of messages and their length equal zero? Because it uses only collectives. MAtt > > -- > Regards, > Alexander > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120615/9d421903/attachment.html>
