lkml.org 
[lkml]   [2011]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 0/6] KVM: optimize memslots searching
On 11/20/2011 01:29 PM, Avi Kivity wrote:
> On 11/18/2011 11:16 AM, Xiao Guangrong wrote:
> > This is the more work base on my v1 patchset which is posted some months ago,
> > it can be found at:
> > https://lkml.org/lkml/2011/2/22/68
> >
> > Change log:
> > - sort memslots base on its size and do the line search instead of binary
> > search base on gfn, it is from Avi's idea.
> > - in order to reduce cache footprint, memslots are sorted in the array of
> > kvm->memslots->memslots[] and introduce a table to map slot id to index in
> > the array
> >
> > There is the performance result:
> >
> > autotest for RHEL.6.1 setup/boot/reboot/shutdown(average):
> > ept=1: before: 449.5 after: 447.8
> > ept=0: before: 532.7 after: 529.8
> >
> > kernbench(average):
> > ept=1: before: 127.94 after: 126.98
> > ept=0: before: 196.85 after: 189.66
>
> Looks good, had a couple of comments but they're really minor.
>

btw, this patchset touches a lot of common code. Did you crossbuild for
other kvm archs?

--
error compiling committee.c: too many arguments to function



\
 
 \ /
  Last update: 2011-11-20 13:15    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site