Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263118AbTIAAYo (ORCPT ); Sun, 31 Aug 2003 20:24:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263121AbTIAAYo (ORCPT ); Sun, 31 Aug 2003 20:24:44 -0400 Received: from newsmtp.golden.net ([199.166.210.106]:6411 "EHLO newsmtp.golden.net") by vger.kernel.org with ESMTP id S263118AbTIAAYj (ORCPT ); Sun, 31 Aug 2003 20:24:39 -0400 Date: Sun, 31 Aug 2003 20:24:12 -0400 From: Paul Mundt To: Jamie Lokier Cc: linux-kernel@vger.kernel.org Subject: Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this Message-ID: <20030901002412.GA16537@linux-sh.org> Mail-Followup-To: Jamie Lokier , linux-kernel@vger.kernel.org References: <20030829053510.GA12663@mail.jlokier.co.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="82I3+IH0IqGh5yIs" Content-Disposition: inline In-Reply-To: <20030829053510.GA12663@mail.jlokier.co.uk> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2721 Lines: 89 --82I3+IH0IqGh5yIs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Aug 29, 2003 at 06:35:10AM +0100, Jamie Lokier wrote: > I'd appreciate if folks would run the program below on various > machines, especially those whose caches aren't automatically coherent > at the hardware level. > sh (VIPT cache): Test separation: 4096 bytes: FAIL - cache not coherent Test separation: 8192 bytes: FAIL - cache not coherent Test separation: 16384 bytes: pass Test separation: 32768 bytes: pass Test separation: 65536 bytes: pass Test separation: 131072 bytes: pass Test separation: 262144 bytes: pass Test separation: 524288 bytes: pass Test separation: 1048576 bytes: pass Test separation: 2097152 bytes: pass Test separation: 4194304 bytes: pass Test separation: 8388608 bytes: pass Test separation: 16777216 bytes: pass VM page alias coherency test: minimum fast spacing: 16384 (4 pages) $ cat /proc/cpuinfo machine : Sega Dreamcast processor : 0 cpu family : sh4 cpu type : SH7750 cache size : 8K-bytes/16K-bytes bogomips : 199.06 cpu clock : 199.49MHz bus clock : 99.74MHz module clock : 49.87MHz and on sh64 (which is sort of VIPT/VIVT, as it looks at physical tags if there's no match on virtual): Test separation: 4096 bytes: FAIL - cache not coherent Test separation: 8192 bytes: pass Test separation: 16384 bytes: pass Test separation: 32768 bytes: pass Test separation: 65536 bytes: pass Test separation: 131072 bytes: pass Test separation: 262144 bytes: pass Test separation: 524288 bytes: pass Test separation: 1048576 bytes: pass Test separation: 2097152 bytes: pass Test separation: 4194304 bytes: pass Test separation: 8388608 bytes: pass Test separation: 16777216 bytes: pass VM page alias coherency test: minimum fast spacing: 8192 (2 pages) -sh-2.05b$ cat /proc/cpuinfo machine : Hitachi Cayman processor : 0 cpu family : SH-5 cpu type : SH5-101 icache size : 32K-bytes dcache size : 32K-bytes itlb entries : 64 dtlb entries : 64 cpu clock : 314.73MHz bus clock : 157.36MHz module clock : 26.22MHz bogomips : 313.75 --82I3+IH0IqGh5yIs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQE/UpGs1K+teJFxZ9wRAhdwAJ0RQw0PxDTttMmC2auTc4WDKGJWeQCfR4ip yU6b6U1UYYtXNWpM0VG1Yds= =Mftm -----END PGP SIGNATURE----- --82I3+IH0IqGh5yIs-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/