[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-kernel
Subject:    Re: CONFIG_TINY
From:       Rob Landley <landley () trommello ! org>
Date:       2002-11-04 16:09:48
[Download RAW message or body]

On Monday 04 November 2002 19:51, Tom Rini wrote:
> On Mon, Nov 04, 2002 at 02:13:48AM +0000, Rob Landley wrote:

> > I've used -Os.  I've compiled dozens and dozens of packages with -Os.  It
> > has always saved at least a few bytes, I have yet to see it make
> > something larger.  And in the benchmarks I've done, the smaller code
> > actually runs slightly faster.  More of it fits in cache, you know.
>
> Then we don't we always use -Os?

I normally do, actually.  Works For Me (tm).  Dunno about all possible 
architectures or all kernel versions, but then compiling WITHOUT -O2 
apparently produces an unusable kernel due to some missing needed inlines, 
so...

There's also a drive to "inline less stuff" underway, which I consider vaguely 
related...

Rob

-- 
http://penguicon.sf.net - Terry Pratchett, Eric Raymond, Pete Abrams, Illiad, 
CmdrTaco, liquid nitrogen ice cream, and caffienated jello.  Well why not?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/
[prev in list] [next in list] [prev in thread] [next in thread]