From: Shannon Fang <xrfang@...>
Date: 2002-12-19T04:39:08+09:00
Subject: Re: hash vs. array (dictionary lookup)

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

It becomes very slow. I did the same thing (-r profile) with the loadtoarray 
version, it worked just like without profiling...

What on earth is happening?

Regards,
Shannon

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