Hi,

as it is a plebiscite ;-), find attached the patch for UML 2.6.6 and
measurements I made on my poor netserver.

Laurent

Le mar 18/05/2004 à 19:59, Jeff Dike a écrit :
> On Tue, May 18, 2004 at 12:22:45AM +0200, roland wrote:
> > the question is:
> > is the "real world" performance benefit, uml get`s from this patch worth taking your time and is it implemented in a way, so that
> > uml maintainers are happy with that ?
> 
> The patch seems reasonable to me.  I'd be happiest with Laurent pushing this
> into mainline himself.
> 
> > i cannot really estimate, what performance benefits your patch brings to uml in detail, but what i have seen so far, this seems
> > quite worth doing the work.  reducing context switches by 1/3 is a LOT, imho - and reducing the execution time of the getpid-loop to
> > nearly the half is quite impressive.
> 
> Yeah, but no real workloads do while(1) getpid();
> 
> The kernel build improvement is obviously smaller, but still worth having.
> 
> > are there any "con`s" that argue for that work _NOT_ being done ?
> 
> No.  But testing, and happy reports to the appropriate mailing lists would
> help.
> 
> 				Jeff