From: ts <decoux@...>
Date: 2004-01-13T00:22:03+09:00
Subject: Re: faster integer arithmetics & arbitrary precision floating number

>>>>> "E" == Emmanuel Touzery <emmanuel.touzery@wanadoo.fr> writes:

E> David Garamond wrote:
>> 1. Is there a way in Ruby to speed up 32bit integer arithmetics (only 
>> involving numbers & sums up to 2^32-1)? I want to use Ruby for 
>> summarizing network traffic logs, but it's pathetically slow compared 
>> to Perl:
>> 
>> $ time ruby -e'1000000.times{1073741823+1073741824}'
>> 
>> real    0m23.693s
>> user    0m5.720s
>> sys     0m0.610s
[...]

E> i just tried to run this, and this is really quite discouraging indeed.. 
E> :O/ even though i was personnally never hurt by ruby's speed (yet).

 just use a faster cpu

svg% time ruby -e'1000000.times{1073741823+1073741824}'

real    0m2.638s
user    0m2.631s
sys     0m0.008s
svg% 


Guy Decoux