lkml.org 
[lkml]   [2001]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Any limitations on bigmem usage?
On Tue, 12 Jun 2001, Rob Landley wrote:

> Brilliant. You need what, a 6x larger cache just to break even with
> the amount of time you're running in-cache?

That's going to be hard, since the cache will also need to be
faster in order to feed the CPU core. Making a cache both
larger AND faster at the same time will need some smart people.

> And of course the compiler is GOING to put NOPs in that because it
> won't always be able to figure out something for the second and third
> cores to do this clock, regardless of how good a compiler it is.

Compilers are also notoriously bad at runtime optimisations.

> That's just beautiful.

I also never expected Intel to dispose of themselves in such
a cute way.

cheers,

Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

http://www.surriel.com/ http://distro.conectiva.com/

Send all your spam to aardvark@nl.linux.org (spam digging piggy)

-
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/

\
 
 \ /
  Last update: 2005-03-22 12:55    [W:0.061 / U:0.908 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site