Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261595AbTICIE1 (ORCPT ); Wed, 3 Sep 2003 04:04:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261606AbTICIE0 (ORCPT ); Wed, 3 Sep 2003 04:04:26 -0400 Received: from mail2.sonytel.be ([195.0.45.172]:53740 "EHLO witte.sonytel.be") by vger.kernel.org with ESMTP id S261595AbTICIES (ORCPT ); Wed, 3 Sep 2003 04:04:18 -0400 Date: Wed, 3 Sep 2003 09:59:02 +0200 (MEST) From: Geert Uytterhoeven To: Kars de Jong cc: Jamie Lokier , Linux/m68k kernel mailing list , Linux Kernel Development Subject: Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this In-Reply-To: <1062535375.3501.11.camel@kars.perseus.home> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2532 Lines: 68 On 2 Sep 2003, Kars de Jong wrote: > fikkie:/tmp# ./jamie_test > Test separation: 4096 bytes: pass > 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: all sizes passed > > New program: > > fikkie:/tmp# time ./jamie_test2 > (2048) [10000,10000,0] Test separation: 4096 bytes: pass > (2048) [10000,10000,0] Test separation: 8192 bytes: pass > (2048) [10000,10000,0] Test separation: 16384 bytes: pass > (2048) [10000,10000,0] Test separation: 32768 bytes: pass > (2048) [10000,10000,0] Test separation: 65536 bytes: pass > (2048) [10000,10000,0] Test separation: 131072 bytes: pass > (2048) [10000,10000,0] Test separation: 262144 bytes: pass > (2048) [10000,10000,0] Test separation: 524288 bytes: pass > (2048) [10000,10000,0] Test separation: 1048576 bytes: pass > (2048) [10000,10000,0] Test separation: 2097152 bytes: pass > (2048) [10000,10000,0] Test separation: 4194304 bytes: pass > (2048) [10000,10000,0] Test separation: 8388608 bytes: pass > (2048) [10000,10000,0] Test separation: 16777216 bytes: pass > VM page alias coherency test: all sizes passed > > real 1m51.210s > user 1m44.950s > sys 0m4.930s > fikkie:/tmp# cat /proc/cpuinfo > CPU: 68020 > MMU: 68851 > FPU: 68881 > Clocking: 15.6MHz > BogoMips: 3.90 > Calibration: 19520 loops > fikkie:/tmp# So the store buffer is coherent on 68020 with external MMU, while it isn't on 68040 with internal MMU... Now all that's left is the 68030. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds - 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/