[qtzaz]

Personally, I expected dynamic languages to ever match or at least get close to the performance of static languages. That seems that it will never happen, and there's a point where I can't afford that much hardware just to run a website. Think of Twitter abandoning RoR, etc.

[andybak]

Several dynamic languages are faster than some static languages depending who you talk to. LuaJIT is famously fast and Javascript is no slouch