Re: [Xen-devel] Fwd: Question about the status of vNUMA in Xen

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Please configure your email client properly.

On Tue, Sep 08, 2015 at 01:21:04AM +0000, çæç wrote:
> ---------- Forwarded message ---------
> From: Wei Liu <wei.liu2@xxxxxxxxxx>
> Date: 2015å9æ7æåä äå6:23
> Subject: Re: [Xen-devel] Question about the status of vNUMA in Xen
> To: çæç <qingtiangan@xxxxxxxxx>
> Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <wei.liu2@xxxxxxxxxx>
> 
> 
> On Sun, Sep 06, 2015 at 03:03:13PM +0800, çæç wrote:
> > I'm a master student from Huazhong University of Science & technology,
> > China. I'm now researching on Xen optimization under NUMA. I'm puzzled
> > that if  vNUMA on HVM is enbaded in Xen or not. If yes, which version of
> > xen support it?
> >
> 
> Upcoming Xen 4.6 supports vNUMA for HVM guest, with certain limitations.
> 
> > So far, I have read the Xen NUMA Roadmap page and watched the
> > video about vNUMA in Xen on Youtube. I have known that some work
> > has been done for vNUMA in Xen. Since my benchmark result show a
> > great improvement in Xen-4.5.1 when compared with Xen-4.0.1. I'm
> > puzzled if vNUMA has contributed to that improvement.
> 
> No. That's mostly due to other improvements.
> 
> Wei.
> 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
> 
> Iâm sorry that I didnât express clearly in the last mail. What I want to
> know is
> 
> that how much the NUMA optimizations (including NUMA-aware VM placement,
> 
> NUMA-aware scheduling and vNUMA)  contribute to the improvement
> 

There is wiki page on wiki.xen.org for NUMA-aware scheduling.

http://wiki.xenproject.org/wiki/Xen_4.3_NUMA_Aware_Scheduling

No tests for vNUMA have been done so far. At least not the upstream
version.

Wei.

> between xen-4.5.1 and xen-4.0.1.  Surely it may also due to other changes.
> Thanks!

> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel