<div class="gmail_extra">What specific version of Cbc were you using previously?</div><div class="gmail_extra"><br></div><div class="gmail_extra">Ted<br><br><div class="gmail_quote">On Wed, Apr 25, 2012 at 2:38 PM, <span dir="ltr"><<a href="mailto:acw@ascent.com" target="_blank">acw@ascent.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><font face="sans-serif">After procrastinating for months, we finally
got around to rebuilding our application on the most recent stable version
of the COIN/Cbc sources. Our last update was around two years ago.</font>
<br>
<br><font face="sans-serif">We were very pleasantly surprised to
find a dramatic speedup in solving our typical problem mix. Problems
that used to run out of time (with a timeout set to 1800 CPU seconds) now
complete in just a few seconds.</font>
<br>
<br><font face="sans-serif">Have other COIN/Cbc users and developers
experienced such a marked improvement? Should we be ecstatic ...
or suspicious?</font><br>_______________________________________________<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Dr. Ted Ralphs<br>Associate Professor, Lehigh University<br>(610) 628-1280<br>ted 'at' lehigh 'dot' edu<br><a href="http://coral.ie.lehigh.edu/~ted" target="_blank">coral.ie.lehigh.edu/~ted</a><br>
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