<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 2012-02-24, at 9:08 PM, Jed Brown wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div class="gmail_quote">On Fri, Feb 24, 2012 at 14:43, Francis Poulin <span dir="ltr"><<a href="mailto:fpoulin@uwaterloo.ca">fpoulin@uwaterloo.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
It seems to scale beautifully starting at 2 but there is a big drop from 1 to 2. I suspect there's a very good reason for this, I just don't know what.</blockquote></div><br><div>Can you send the full output? The smoother is slightly different, so the number of iterations could be different by 1 (for example). The -log_summary part of the output will show us where the time is being spent, so we'll be able to say what did not scale well between 1 and 2 procs.</div>
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