On Thu, Jan 5, 2012 at 2:25 PM, Junchao Zhang <span dir="ltr">&lt;<a href="mailto:junchao.zhang@gmail.com">junchao.zhang@gmail.com</a>&gt;</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,<div>  I browsed petsc source cdoe and found  a macro PETSC_HAVE_MPI_WIN_CREATE.</div><div>  It seems petsc can use one-sided communication.  I want to test MatMult()&#39;s performance with one-sided.</div><div><div>

  Then, how to enable it?</div></div></blockquote><div><br></div><div><a href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Vec/VecScatterCreate.html#VecScatterCreate">http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Vec/VecScatterCreate.html#VecScatterCreate</a></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"><div><div>  Thanks!</div><span class="HOEnZb"><font color="#888888"><div><br>
</div>-- Junchao Zhang</font></span></div></blockquote></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>