Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264108AbTIBUnN (ORCPT ); Tue, 2 Sep 2003 16:43:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264143AbTIBUnM (ORCPT ); Tue, 2 Sep 2003 16:43:12 -0400 Received: from cc260354-a.hnglo1.ov.home.nl ([213.51.105.170]:16632 "EHLO kars.perseus.home") by vger.kernel.org with ESMTP id S264108AbTIBUnE (ORCPT ); Tue, 2 Sep 2003 16:43:04 -0400 Subject: Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this From: Kars de Jong To: Jamie Lokier Cc: Geert Uytterhoeven , Linux/m68k kernel mailing list , Linux Kernel Development In-Reply-To: <20030901100807.GB1903@mail.jlokier.co.uk> References: <1062407310.13046.6.camel@laptop.locamation.com> <20030901100807.GB1903@mail.jlokier.co.uk> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1062535375.3501.11.camel@kars.perseus.home> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 02 Sep 2003 22:42:55 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3122 Lines: 86 On Mon, 2003-09-01 at 12:08, Jamie Lokier wrote: > Kars de Jong wrote: > > On Mon, 2003-09-01 at 10:34, Geert Uytterhoeven wrote: > > > BTW, probably you want us to run your test program on other m68k boxes? Mine > > > got a 68040, that leaves us with: > > > - 68020+68551 > > > - 68060 > > > > I can run it on these boxes if no-one else has done it yet before I come > > home tonight. I'm sure there are more people with a 68060 out there, not > > too sure about the 68020+68851. > > I would prefer that you run the attached program. It fixes a bug in > the function which tests whether the problem is in the L1 cache or > store buffer. The bug probably didn't affect the test, but it might > have. > > Ideally you could run the program Geert linked to as well? > Please remember to compile both with optimisation. OK, here are my results (I'll skip the 68060 because Roman has already run the program on that one): This is on a Plessey PME 68-22. It's sooooo fast... Sam, is there a Sun slower than this? Original program: 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# And no, this board has no way of getting a better time resolution than the 100 Hz tick timer either ;-) Regards, Kars. - 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/