From: Chris Lervag Date: 2011-04-30T06:45:40+09:00 Subject: Re: Need for speed - array operations Just a bit of an update: Turns out the each_with_index iterator is INSANELY slow on ruby1.8 on large arrays, so I had to use each_index instead and pixels[i] instead of pix. Still a happy ending though! Chris -- Posted via http://www.ruby-forum.com/.