lkml.org 
[lkml]   [2004]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: NUMA API for Linux
Andi Kleen <ak@suse.de> wrote:
>
> We can discuss changes when someone shows numbers that additional
> optimizations are needed. I haven't seen such numbers and I'm not convinced
> sharing is even a good idea from a design standpoint. For the first version
> I just aimed to get something working with straight forward code.
>
> To put it all in perspective: a policy is 12 bytes on a 32bit machine
> (assuming MAX_NUMNODES <= 32) and 16 bytes on a 64bit machine
> (with MAX_NUMNODES <= 64)

sizeof(vm_area_struct) is a very sensitive thing on ia32. If you expect
that anyone is likely to actually use the numa API on 32-bit, sharing
will be important.

It should be useful for SMT, yes?

-
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 14:02    [W:0.069 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site