Date: Fri, 15 Dec 2000 17:42:23 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Bernd Walter <ticso@cicely5.cicely.de>, freebsd-alpha@FreeBSD.ORG Subject: Re: mb and wmb in atomic_ Message-ID: <14906.40438.240204.200341@grasshopper.cs.duke.edu> In-Reply-To: <XFMail.001215131925.jhb@FreeBSD.org> References: <20001215211930.D62048@cicely5.cicely.de> <XFMail.001215131925.jhb@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
John Baldwin writes: > > Can the CPU perform out-of-order execution though? And out-of-order memory > accesses as a result? That is what memory barriers really protect you against. Yes, EV6 and better perform out of order execution. Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?14906.40438.240204.200341>