Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263608AbTIBIIS (ORCPT ); Tue, 2 Sep 2003 04:08:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263603AbTIBIIS (ORCPT ); Tue, 2 Sep 2003 04:08:18 -0400 Received: from main.gmane.org ([80.91.224.249]:30669 "EHLO main.gmane.org") by vger.kernel.org with ESMTP id S263608AbTIBIIK (ORCPT ); Tue, 2 Sep 2003 04:08:10 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Jan Rychter Subject: Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this Date: Tue, 02 Sep 2003 03:08:08 -0700 Message-ID: References: <20030829053510.GA12663@mail.jlokier.co.uk> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" X-Complaints-To: usenet@sea.gmane.org X-Spammers-Please: blackholeme@rychter.com User-Agent: Gnus/5.1003 (Gnus v5.10.3) XEmacs/21.4 (Rational FORTRAN, linux) Cancel-Lock: sha1:IKC4T9r0290qYyA37+m6PNF042A= Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2113 Lines: 66 --=-=-= Content-Transfer-Encoding: quoted-printable > 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. >=20 > It searches for that address multiple which an application can use to > get coherent multiple mappings of shared memory, with good performance. From=20a Sharp Zaurus C-760. Not very interesting, I'm afraid: Test separation: 4096 bytes: FAIL - too slow Test separation: 8192 bytes: FAIL - too slow Test separation: 16384 bytes: FAIL - too slow Test separation: 32768 bytes: FAIL - too slow Test separation: 65536 bytes: FAIL - too slow Test separation: 131072 bytes: FAIL - too slow Test separation: 262144 bytes: FAIL - too slow Test separation: 524288 bytes: FAIL - too slow Test separation: 1048576 bytes: FAIL - too slow Test separation: 2097152 bytes: FAIL - too slow Test separation: 4194304 bytes: FAIL - too slow Test separation: 8388608 bytes: FAIL - too slow Test separation: 16777216 bytes: FAIL - too slow VM page alias coherency test: failed; will use copy buffers instead Processor : Intel XScale-PXA255 rev 6 (v5l) BogoMIPS : 397.31 Features : swp half thumb fastmult edsp=20 CPU implementor : 0x69 CPU architecture: 5TE CPU variant : 0x0 CPU part : 0x2d0 CPU revision : 6 Cache type : undefined 5 Cache clean : undefined 5 Cache lockdown : undefined 5 Cache unified : harvard I size : 16384 I assoc : 16 I line length : 32 I sets : 32 D size : 16384 D assoc : 16 D line length : 32 D sets : 32 Hardware : SHARP Shepherd Revision : 0000 Serial : 0000000000000000 =2D-J. --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQA/VGwMLth4/7/QhDoRAnT2AJ9OlOqqQbD122Ikx8DQ66ynwu01XwCeOPio eFp1pINRUmpCisy1gDsJzZg= =DpJ8 -----END PGP SIGNATURE----- --=-=-=-- - 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/