Date: Sun, 4 Sep 2016 13:02:44 -0500 From: Alan Cox <alc@rice.edu> To: Andrew Turner <andrew@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r305391 - head/sys/arm64/arm64 Message-ID: <61bfdc1a-24f6-a63d-7f33-b02d8c92dd21@rice.edu> In-Reply-To: <201609041750.u84HoNtn056564@repo.freebsd.org> References: <201609041750.u84HoNtn056564@repo.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 09/04/2016 12:50, Andrew Turner wrote: > Author: andrew > Date: Sun Sep 4 17:50:23 2016 > New Revision: 305391 > URL: https://svnweb.freebsd.org/changeset/base/305391 > > Log: > Enable superpages on arm64 by default. These seem to be stable, havin= g > survived multiple world and kernel builds, and of poudriere building = full > package sets. > =20 > I have observed a 3% reduction in buildworld times with superpages en= abled, > however further testing is needed to see if this is observed in other= > workloads. > =20 Is the starting address of the text section on arm64 superpage aligned, like it is on amd64? If so, I expect that the reduction will increase if you implement support for superpage mappings in pmap_enter_object().
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?61bfdc1a-24f6-a63d-7f33-b02d8c92dd21>