Why is ruby so much slower on windows?

Question

What are the specific technical causes of Ruby being so much slower on Windows? People report about a 3X speed drop from Linux/OSX and there are some vague discussions abou

Answer 1

Not completely to your question, but there was a great discussion on the Deep Fried Bytes podcast that discussed the same question in the IronPython context. I understand your question pertains to Ruby, but there may be related issues that also affect Ruby.

Also, the discussion does a good job of looking a bit deeper than "Windows sucks", so it's worthwhile to check it out.