Bug #1467: Why doesn Ruby not use all cores on a Nehalem box (MacPro)? http://redmine.ruby-lang.org/issues/show/1467 Author: Philipp Ringli Status: Open, Priority: Normal ruby -v: 1.8.7 I'm just wondering. I installed ruby 1.8.7 on my MacPro 2x2.26 GHz, and then installed all the gems I need. It took forever. ---------------------------------------- http://redmine.ruby-lang.org