From: Dave Thomas <dave@...>
Date: 2002-12-19T04:49:53+09:00
Subject: Re: hash vs. array (dictionary lookup)

On Wed, 2002-12-18 at 13:39, Shannon Fang wrote:
> Hi,
> 
> >This code took 3 or 4 seconds to complete on my 900MHz PIII with 256Mb RAM.
> >
> >   h = {}
> >   x = ["abd123"] * 90000
> >   x.each_with_index do |y, i|
> >     h[y + i.to_s] = 1
> >   end
> >   puts h.size
> >
> 
> Very strange. I run my code, which is almost same as above again, it runs 
> very fast. But when I do this:
> 
> ruby -r profile loadtohash.rb dict.txt

Profiling intercepts the execution of each Ruby-level statement.
Consider the number of statements executed in your two chunks of code.


Dave