<div class="gmail_quote">On Tue, Nov 29, 2011 at 10:14, 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;">
In the world Intel is pushing us toward they want us to have SEVERAL threads per core (and IBM BlueGene Q also I think) how is the spinning going to work in that situation.</blockquote></div><br><div>This is what the "pause" instruction is for. I don't have docs for the /Q instruction set, but it must have an equivalent.</div>