lkml.org 
[lkml]   [2003]   [Sep]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Efficient IPC mechanism on Linux
On Wed, Sep 10, 2003 at 12:54:32PM +0200, Luca Veraldi wrote:
> > Memory is sort of starting to be like disk IO in this regard.
>
> Good. So the less you copy memory all around, the better you permorm.

Actually it's "the less discontiguos memory you touch the better you
perform". Just like a 128Kb read is about the same cost as a 4Kb
disk read, the same is starting to become true for memory copies. So
in the extreme the memory copy is one operation only.
-
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 13:48    [W:0.132 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site