From owner-cvs-all Tue Oct 29 17:42:58 2002 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 53F2037B401; Tue, 29 Oct 2002 17:42:57 -0800 (PST) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id CAEE143E88; Tue, 29 Oct 2002 17:42:56 -0800 (PST) (envelope-from gallatin@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.12.6/8.12.6) with ESMTP id g9U1fimV079872; Tue, 29 Oct 2002 17:41:44 -0800 (PST) (envelope-from gallatin@repoman.freebsd.org) Received: (from gallatin@localhost) by repoman.freebsd.org (8.12.6/8.12.6/Submit) id g9U1fiqq079871; Tue, 29 Oct 2002 17:41:44 -0800 (PST) Message-Id: <200210300141.g9U1fiqq079871@repoman.freebsd.org> From: Andrew Gallatin Date: Tue, 29 Oct 2002 17:41:44 -0800 (PST) To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/alpha/include atomic.h src/sys/alpha/alpha atomic.s X-FreeBSD-CVS-Branch: HEAD Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG gallatin 2002/10/29 17:41:44 PST Modified files: sys/alpha/include atomic.h sys/alpha/alpha atomic.s Log: Remove extranious memory barriers, and correct the placement of a few others. This provides a 30% reduction in system time and a 6% reduction in wallclock time for a make buildworld on my xp1000 (one 21264). FWIW, I've been running this for nearly 2 months without problems. Portions submitted by: ticso, jhb Tested by: jhb (ds20 dual 21264) Revision Changes Path 1.6 +1 -9 src/sys/alpha/alpha/atomic.s 1.17 +4 -14 src/sys/alpha/include/atomic.h To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message