Date: Tue, 27 Sep 2005 17:23:38 -0700 From: Nate Lawson <nate@root.org> To: jesse <marquezjesse@gmail.com> Cc: freebsd-acpi@freebsd.org Subject: Re: Performance gain? Message-ID: <4339E28A.3050309@root.org> In-Reply-To: <4337148D.10900@gmail.com> References: <4337148D.10900@gmail.com>
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jesse wrote: > Is there any performance gain when using Standard-PC HAL over ACPI-PC > HAL? I'm running FreeBSD 5.4-STABLE on a abit KR7A(KT266A) motherboard. > I currently have APIC disabled in the bios, ACPI disabled at boot and I > feel like my system is snappier. Just wondering if there is any truth to > this. There should be no difference. The implementation of ACPI on some boards will block interrupts while the embedded controller is being polled. But yours is not a laptop so it doesn't have an EC. If you can enable fine grained profiling (config -g -g KERNELNAME) and then run gprof(8), perhaps you can see where the performance is going. -- Nate
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