On Fri, Jun 15, 2012 at 8:22 PM, Alexander Grayver <span dir="ltr"><<a href="mailto:agrayver@gfz-potsdam.de" target="_blank">agrayver@gfz-potsdam.de</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello,<br>
<br>
When I call MatMult with MPIDENSE matrix in log summary I see:<br>
<br>
Event Count Time (sec) Flops --- Global --- --- Stage --- Total<br>
Max Ratio Max Ratio Max Ratio Mess Avg len Reduct %T %f %M %L %R %T %f %M %L %R Mflop/s<br>
------------------------------<u></u>------------------------------<u></u>------------------------------<u></u>------------------------------<br>
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<br>
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<br>
<br>
<br>
Why do number of messages and their length equal zero?</blockquote><div><br></div><div>Because it uses only collectives.</div><div><br></div><div> MAtt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<span class="HOEnZb"><font color="#888888"><br>
-- <br>
Regards,<br>
Alexander<br>
<br>
</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener<br>