From: Frank Mitchell <frankm@...>
Date: 2003-09-22T13:28:48+09:00
Subject: Re: Performance: Ruby vs Java

(I just can't let this go ...)

Frank Mitchell wrote:
> (The Lua number shows what a small and ultra-optimized
> interpreter could do.)

Immediately after posting, I realized the Lua instruction

	for i = a,b do ... end

is specifically for iterating over numbers from a to b.  Ruby and Python
only iterate over sequences of object instances (including integers),
created lazily.  That may explain part of the 3-5x speed difference.

-- 
Frank Mitchell (frankm each bayarea period net)

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