From owner-freebsd-hackers Sun Feb 24 9:43:50 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from patrocles.silby.com (d106.as14.nwbl0.wi.voyager.net [169.207.134.106]) by hub.freebsd.org (Postfix) with ESMTP id 76B2837B402 for ; Sun, 24 Feb 2002 09:43:47 -0800 (PST) Received: from patrocles.silby.com (localhost [127.0.0.1]) by patrocles.silby.com (8.12.2/8.12.2) with ESMTP id g1OBlZZM015297; Sun, 24 Feb 2002 11:47:35 GMT (envelope-from silby@silby.com) Received: from localhost (silby@localhost) by patrocles.silby.com (8.12.2/8.12.2/Submit) with ESMTP id g1OBlVlI015294; Sun, 24 Feb 2002 11:47:33 GMT X-Authentication-Warning: patrocles.silby.com: silby owned process doing -bs Date: Sun, 24 Feb 2002 11:47:30 +0000 (GMT) From: Mike Silbersack To: Andrew Mobbs Cc: Matthew Dillon , Subject: Re: Test patch for msync/object-flushing performance (for stable) In-Reply-To: <15481.61.57511.222531@chiark.greenend.org.uk> Message-ID: <20020224114508.P15264-100000@patrocles.silby.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sun, 24 Feb 2002, Andrew Mobbs wrote: > vm.msync_flush_flags > | 0 | 1 | 2 | 3 | > -------+-------+-------+-------+-------| > write | 519 | 517 | 1632 | 519 | > sync | 2227 | 176 | 848 | 177 | ^^^ I don't get that one; any idea why bit 1 on for the first test performs so differently from the other tests? Were these tests all run sequentially? Maybe memory is becoming more fragmented as time goes on, causing that optimization to not be able to work properly. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message