"kvh" <khindenburg / cherrynebula.net> wrote in message news:33327.192.168.1.1.1037817369.squirrel / nicole.iquest.net... > I thought I'd try the 1.7.3 version of ruby; I get the same result : > running tkhello.rb eats up 100% of the CPU. Congratulations! Your program uses all the available resources to produce the result! It should compute efficiently. ;)))