From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264625AbUE0RTR (ORCPT ); Thu, 27 May 2004 13:19:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264659AbUE0RTQ (ORCPT ); Thu, 27 May 2004 13:19:16 -0400 Received: from hostmaster.org ([212.186.110.32]:8576 "HELO hostmaster.org") by vger.kernel.org with SMTP id S264625AbUE0RRk (ORCPT ); Thu, 27 May 2004 13:17:40 -0400 Subject: AMD64: IDE performance woes From: Thomas Zehetbauer To: linux-kernel@vger.kernel.org Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-TfiKkqoaJjp1vZpsP8Ze" Message-Id: <1085678259.3374.7.camel@hostmaster.org> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Thu, 27 May 2004 19:17:39 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-TfiKkqoaJjp1vZpsP8Ze Content-Type: text/plain Content-Transfer-Encoding: quoted-printable It seems that IDE performance is severely degraded on AMD64: hdparm -t timings 2.4.25/i386: 54.13MB/s 2.6.6/x86_64: 31.4MB/s Board is a Tyan Thunder K8W s2885 with an AMD8111 controller IDE device parameters are the same (hdparm -a8 -c1 -d1 -m16 -u1) Tom --=20 T h o m a s Z e h e t b a u e r ( TZ251 ) PGP encrypted mail preferred - KeyID 96FFCB89 finger thomasz@hostmaster.org for key Everybody wants to go to heaven, but nobody wants to die. --=-TfiKkqoaJjp1vZpsP8Ze Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iQEVAwUAQLYis2D1OYqW/8uJAQKtnAf/fe2Zzp50EkWB979RE/u1hzxXIVur8/9J nkKRZ8VqR1Hzqrmsp8wSlNfzVi99Ba0jlAAS4wlGPp/bbnesbh5K+Xn/RKKelYpr YkjASEXnPoG2lS0UrvjvT+QCCbgCzgrnhabU9Epf2kvUQfNHK4JzmJ1W7Mno4kdO 60AzudBfC533KVUSTEcLjOT4ALrIRNtiHD/DuxPTg5IGTubwLKLnvUuR46VSNRlC CAjkMVYeDNpLXnVxaqJMdi+YQCWfhsKs9rXCLDwldbYP2rMl00FJHc8J2+9BICbi RoiHVN4R6wVxj5YqWwF/j+hH1i8Q28gr1O5YjU14e1laaUL0ac4bYA== =ppZ2 -----END PGP SIGNATURE----- --=-TfiKkqoaJjp1vZpsP8Ze--