Date: Fri, 05 Oct 2012 10:04:26 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Garrett Cooper <yanegomi@gmail.com> Cc: Konstantin Belousov <kostikbel@gmail.com>, Dimitry Andric <dimitry@andric.com>, Andriy Gapon <avg@freebsd.org>, freebsd-arch@freebsd.org Subject: Re: x86 boot code build Message-ID: <86txu9l4z9.fsf@ds4.des.no> In-Reply-To: <CAGH67wQqs9DJoy0LSgKi1_wMFyrHUE69Dgc2dht7q8VXDVAeQQ@mail.gmail.com> (Garrett Cooper's message of "Fri, 5 Oct 2012 00:40:51 -0700") References: <506C385C.3020400@FreeBSD.org> <506DEB4C.5020508@andric.com> <86haq9hq2c.fsf@ds4.des.no> <20121005033244.GL35915@deviant.kiev.zoral.com.ua> <86y5jll7kc.fsf@ds4.des.no> <CAGH67wQqs9DJoy0LSgKi1_wMFyrHUE69Dgc2dht7q8VXDVAeQQ@mail.gmail.com>
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Garrett Cooper <yanegomi@gmail.com> writes: > I would target the appropriate architecture (amd64) where it matters > (amd64), and target the lowest sane common denominator on i386. In > reality, what does a couple MB mean on amd64 vs i386? 1) Nobody mentioned amd64 - this is about i386. 2) It's not a question of *size* but of *performance*. By targeting the least capable platform that our users are likely to encounter (pentium-mmx) instead of one which is virtually eradicated (486), we can use features that are available on the former but not the latter. Someone said they'd like to target SSE2, but that would leave many common embedded systems out in the cold. If we do that, we should provide two sets of binaries; one set for sse2-capable machines (which covers all i386 desktop and server machines made in the last ten years) and one set for pentium-mmx (which covers the soekris and other popular SFF / embedded systems). DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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