You may have already found it, but I posted some experimental results here last year, and others contributed additional useful additional information: http://ww

You may have already found it, but I posted some experimental results here last year, and others contributed additional useful additional information: http://www.agner.org/optimize/blog/read.php?i=415#423 http://www.agner.org/optimize/blog/read.php?i=415#423