From: Dan Sugalski <dan@...>
Date: 2003-04-03T23:10:00+09:00
Subject: Re: Newbie question:read file speed

At 7:35 AM +0900 4/3/03, Brian Candler wrote:
>Out of interest, I also ported your code to Perl (attached), and also
>modified the Ruby code to use a more iterative style to be closer to Perl. I
>get:
>
>                    (to screen)  (to /dev/null)
>Perl (5.005_03)      3.9 secs     2.3 secs
>Ruby (1.6.8)         6.5 secs     3.6 secs
>
>So it seems that Perl is significantly faster in this simple test, but also
>the block/yield approach does not by itself add a great deal of overhead
>(fortunately!)

Be aware that perl cheats unmercifully at IO, to the extent of 
peeking beneath the C IO library hood and acting directly on the 
underlying buffer structure. While somewhat evil (okay, it's very 
evil) it does cut out at least one level of function calls for IO, 
and speeds things up some.
-- 
                                         Dan

--------------------------------------"it's like this"-------------------
Dan Sugalski                          even samurai
dan@sidhe.org                         have teddy bears and even
                                       teddy bears get drunk