Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 6 Sep 2002 21:49:41 -0400 (EDT)
From:      Kenneth Culver <culverk@yumyumyum.org>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        Maxime Henrion <mux@FreeBSD.ORG>, <cvs-committers@FreeBSD.ORG>, <cvs-all@FreeBSD.ORG>, <current@FreeBSD.ORG>
Subject:   Re: HEADS UP: SSE instructions (Re: cvs commit: src/share/mk bsd.cpu.mk)
Message-ID:  <20020906214850.J46717-100000@alpha.yumyumyum.org>
In-Reply-To: <20020907014136.GB85013@xor.obsecurity.org>

next in thread | previous in thread | raw e-mail | index | archive | help
> I assume the compiler is not stupid enough to try and use both when that
> is impossible.  Don't forget this is all just passing a CPU name to gcc
> which actually decides what instructions to use.

That's not what I mean... What I mean is that if one application is using
SSE, and the other wants to use 3dnow, this will incur a performance
penalty (although I'm not sure how much or how noticable it is), so some
people may not want to have SSE enabled.

Ken


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe cvs-all" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020906214850.J46717-100000>