<div dir="ltr">No, MatMult and MatMatMult require all objects to be on the same communicator.</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Jan 20, 2013 at 10:12 AM, Hui Zhang <span dir="ltr"><<a href="mailto:mike.hui.zhang@hotmail.com" target="_blank">mike.hui.zhang@hotmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">parallel Mat, multiplies a serial Vec or a serial Mat<br>
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Is it supported directly? If yes, can the resulting Vec/Mat be serial or parallel?<br>
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</blockquote></div><br></div>