<div class="gmail_quote">On Fri, Dec 23, 2011 at 12:27, Mark F. Adams <span dir="ltr"><<a href="mailto:mark.adams@columbia.edu">mark.adams@columbia.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
A more interesting thing is partition down to the thread level and keep about 100 vertices per thread (this might be to big for a GPU...) </blockquote><div><br></div><div>It's fine to have more partitions than threads.</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">and then use locks of some sort for the shared memory synchronization</blockquote><div><br></div><div>It can be lock-free, your thread just waits until a buffer has been marked as updated. Since the reader/writer relationships are predefined, it's not actually a lock. (You can do more general methods lock-free too.)</div>
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