Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261427AbTH2Q17 (ORCPT ); Fri, 29 Aug 2003 12:27:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261465AbTH2Q16 (ORCPT ); Fri, 29 Aug 2003 12:27:58 -0400 Received: from mail2.sonytel.be ([195.0.45.172]:699 "EHLO witte.sonytel.be") by vger.kernel.org with ESMTP id S261427AbTH2Q1w (ORCPT ); Fri, 29 Aug 2003 12:27:52 -0400 Date: Fri, 29 Aug 2003 18:27:49 +0200 (MEST) From: Geert Uytterhoeven To: Jamie Lokier cc: Linux Kernel Development Subject: Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this In-Reply-To: <20030829053510.GA12663@mail.jlokier.co.uk> 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: 2804 Lines: 84 On Fri, 29 Aug 2003, Jamie Lokier wrote: > 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. Are you also interested in m68k? ;-) cassandra:/tmp# time ./test Test separation: 4096 bytes: FAIL - store buffer not coherent Test separation: 8192 bytes: FAIL - store buffer not coherent Test separation: 16384 bytes: FAIL - store buffer not coherent Test separation: 32768 bytes: FAIL - store buffer not coherent Test separation: 65536 bytes: FAIL - store buffer not coherent Test separation: 131072 bytes: FAIL - store buffer not coherent Test separation: 262144 bytes: FAIL - store buffer not coherent Test separation: 524288 bytes: FAIL - store buffer not coherent Test separation: 1048576 bytes: FAIL - store buffer not coherent Test separation: 2097152 bytes: FAIL - store buffer not coherent Test separation: 4194304 bytes: FAIL - store buffer not coherent Test separation: 8388608 bytes: FAIL - store buffer not coherent Test separation: 16777216 bytes: FAIL - store buffer not coherent VM page alias coherency test: failed; will use copy buffers instead real 0m0.478s user 0m0.110s sys 0m0.190s cassandra:/tmp# cat /proc/cpuinfo CPU: 68040 MMU: 68040 FPU: 68040 Clocking: 24.8MHz BogoMips: 16.53 Calibration: 82688 loops cassandra:/tmp# callisto$ time ./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 real 0m0.329s user 0m0.270s sys 0m0.050s callisto$ cat /proc/cpuinfo cpu : 604r clock : 200MHz revision : 18.3 (pvr 0009 1203) bogomips : 398.13 machine : CHRP IBM,LongTrail-2 memory bank 0 : 32 MB SDRAM memory bank 1 : 32 MB SDRAM memory bank 2 : 32 MB SDRAM memory bank 3 : 32 MB SDRAM board l2 : 512 KB Pipelined Synchronous (Write-Through) callisto$ 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/