From: Joel VanderWerf <vjoel@...>
Date: 2008-09-03T05:06:37+09:00
Subject: Re: IO#write_nonblock(string, offset) useful?

Roger Pack wrote:
>> puts `cat /proc/#{$$}/status`[/VmRSS:\s*(.*)/,1] # 13292 kB
>> Is there a reason other than saving memory and avoiding a #slice call?
> 
> Those would be the reasons I'd consider it useful--to save on CPU and 
> RAM [since it would avoid having to create all those extra objects].  I 
> think that's what you were pointing out?

It's just that those extra objects are fairly small, due to 
copy-on-write... just the 20 byte ruby RString object for each slice 
rather than a copy of the whole 1Mb string you are trying to send. They 
share the 1Mb string data.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407