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RE: [Xen-devel] Windows SMP

To: "Venefax" <venefax@xxxxxxxxx>, "Dirk Utterback" <dirk.utterback@xxxxxxxxx>
Subject: RE: [Xen-devel] Windows SMP
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: 2008年12月29日 13:53:15 +1100
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Thread-topic: [Xen-devel] Windows SMP
>
> The problem is not SMP, is ACPI. I installed a non-ACPI Hal, but SMP
> capable, and the performance went right up with 4 virtual processors.
>
> I hope the developers can look into this mess.
>
Can you have ACPI enabled but APIC disabled, or is that not a valid
configuration?
Or the other way around, can you have ACPI disabled but APIC enabled?
Maybe the APIC emulation is causing a performance loss?
James
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