Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262806AbTIAKf4 (ORCPT ); Mon, 1 Sep 2003 06:35:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262812AbTIAKf4 (ORCPT ); Mon, 1 Sep 2003 06:35:56 -0400 Received: from sun3.sammy.net ([68.162.198.6]:41999 "HELO sun3.sammy.net") by vger.kernel.org with SMTP id S262806AbTIAKfx (ORCPT ); Mon, 1 Sep 2003 06:35:53 -0400 Date: Mon, 1 Sep 2003 06:35:44 -0400 (EDT) From: Sam Creasey X-X-Sender: sammy@sun3 To: Geert Uytterhoeven cc: Jamie Lokier , Linux/m68k , Linux Kernel Development Subject: Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this In-Reply-To: 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: 2019 Lines: 56 On Mon, 1 Sep 2003, Geert Uytterhoeven wrote: > As you probably know the 68020 had an external MMU (68551, or Sun-3 or Apollo > MMU). Probably Motorola didn't bother to change the behavior when the MMU got > integrated in later generations (68030 and up). > > BTW, probably you want us to run your test program on other m68k boxes? Mine > got a 68040, that leaves us with: > - 68020+Sun-3 MMU 68020+Sun-3 MMU results attached below (this is for a 3/60, and it's not suprising that it passes, as there's no real cache in this configuration (the sun3/2xx did have external cache, but the onboard ethernet in my 3/210 is on the fritz, and it's not booting at the moment). Note that this is the newer version of the program which Jamie just posted. bash-2.03# time ./jamie-test2 (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 1m34.330s user 1m30.030s sys 0m4.070s bash-2.03# cat /proc/cpuinfo CPU: 68020 MMU: Sun-3 FPU: 68881 Clocking: 19.9MHz BogoMips: 4.97 Calibration: 24896 loops -- Sam - 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/