Messages in this thread | | | Subject | Re: [RFC PATCH v3 0/6] KVM: x86: avoid redundant REQ_EVENT | From | Paolo Bonzini <> | Date | Mon, 19 Dec 2016 15:30:17 +0100 |
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On 19/12/2016 14:05, Denis Plotnikov wrote: >> > This new patch-set does avoid unnecessary interrupt re-injections - > checked. > > The test (MS Windows, sending messages between multiple windows using > windows-specific interface), > which showed performance growth with "[PATCH v2] KVM: x86: avoid > redundant REQ_EVENT" showed pretty much the same performance level with > this new patch-set. > The test score difference (+2.4% to [PATCH v2]) is within the tolerance > range(5%). > > The test score on mainstream v4.9 kernel CPU Intel i5-2400, guest > Windows Server 2012 2VCPU, 2GB: > > without patch: 31510 (+/- 4%) > with patch: 36270 (+/- 5%) > > difference = (36270-31510)/31510 * 100 = +15% -- looks good!
Awesome! I hope it also qualifies as less ugly. :)
Paolo
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