From: "Mauricio Fernández" <mfp@...>
Date: 2005-07-16T07:26:08+09:00
Subject: Re: [QUIZ] Sampling (#39)

On Sat, Jul 16, 2005 at 06:30:15AM +0900, Ezra Zygmuntowicz wrote:
> 
> On Jul 15, 2005, at 1:27 PM, jason r tibbetts wrote:
> >I /really/ want to know how this is possible. Multi-processor  
> >solution?
> >
> Nope This is running on a single 1.6Ghz G5 tower with about 15 other  
> programs running including photoshop and dreamweaver. And my solution  
> is only 9 lines of code ;-) Here's some more results with a little  
> more time shaved off:
> ezra:~/Sites/______raill_stuff ez$ time ./sample.rb 5_000_000  
> 1_000_000_000 >  big_sample.txt
> 
> real    0m39.860s
> user    0m34.343s
> sys     0m1.370s

My first take is also 9L long.

Timed on a 1536.849MHz K7 with only a couple processes awake, out of 150+.

batsman@tux-chan:/tmp$ time ruby sample.rb 5_000_000 1_000_000_000 > big_sample.txt

real    0m33.880s
user    0m32.750s
sys     0m0.610s
batsman@tux-chan:/tmp$ ls -l big_sample.txt
-rw-r--r--  1 batsman batsman 49442396 2005-07-16 00:19 big_sample.txt
batsman@tux-chan:/tmp$ tail big_sample.txt
999997948
999998026
999998293
999998375
999998678
999998872
999999237
999999555
999999632
999999719
batsman@tux-chan:/tmp$ head big_sample.txt
103
260
521
857
1009
1395
1505
1896
2140
2302

-- 
Mauricio Fernandez