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[Xen-users] Does nosmp option affect performance if Xen is built with SM
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| Subject: | [Xen-users] Does nosmp option affect performance if Xen is built with SMP. |
| From: | "Liang Yang" <multisyncfe991@xxxxxxxxxxx> |
| Date: | Tue, 24 Oct 2006 09:52:49 -0700 |
| Delivery-date: | Tue, 24 Oct 2006 09:53:33 -0700 |
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Hi,I originally built Xen on a SMP platform. Later I need to run some testing on Uni-Processor platform. So I append nosmp to Xen boot options. Now Xen can boot into a Uni-Processor mode. After doing some I/O performance benchmarking, I really doubt if there is performance impact by adding nosmp and force a SMP version of Xen to a UP version. Is it better to use Xen which is built on a native Uni-Processor platform instead of using nosmp to a SMP Xen version? Thanks, Liang _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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