<div class="gmail_quote">On Thu, Nov 18, 2010 at 23:27, Barry Smith <span dir="ltr"><<a href="mailto:bsmith@mcs.anl.gov">bsmith@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
But will this be true for all uses of ISAllGather() (or any new name given it) in the future?</blockquote></div><br><div>I think ISAllGather() only makes sense if you are requesting something at least partly redundant. I don't know why you would want to extract e.g. a matrix living on a global comm where each proc (or subcomm) has a full redundant copy.</div>
<div><br></div><div>Jed</div>