---------- Forwarded message --------- From: Wei Liu <wei.l...@citrix.com> Date: 2015年9月7日周一 下午6:23 Subject: Re: [Xen-devel] Question about the status of vNUMA in Xen To: 甘清甜 <qingtian...@gmail.com> Cc: <xen-de...@lists.xenproject.org>, <wei.l...@citrix.com>
On Sun, Sep 06, 2015 at 03:03:13PM +0800, 甘清甜 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@lists.xen.org > http://lists.xen.org/xen-devel I’m sorry that I didn’t 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 between xen-4.5.1 and xen-4.0.1. Surely it may also due to other changes. Thanks!
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