Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp8228978ybi; Tue, 9 Jul 2019 11:33:01 -0700 (PDT) X-Google-Smtp-Source: APXvYqyGLeYGSdLdUwgl6sij9YVJaD5hdXrbzjqpICHsQbBHViBfR371Jmryn4y+7BSA3TydL1kE X-Received: by 2002:a17:902:28c9:: with SMTP id f67mr34283930plb.19.1562697180796; Tue, 09 Jul 2019 11:33:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1562697180; cv=none; d=google.com; s=arc-20160816; b=xC1/Jipm9XMrmgApewph8NZRuMTiMzmmIqlX6MdivnQDZ9xmxyqVwd0qI2ZluXkFn5 p7OvBtnk2fClAplGEDV5NESnpMhj4aNsPkmzsn9A2GyANepb0wNb4lMv2NF4d7/6HP1i M2idgiOWhV6ZWFyMV0wnOUOtDaYk8XhncmiNimxPZlOigiGIAG9QihgyGLO8u1d7elsI aqABtj1ahlLNaGGtLemTVLUZZcIi58S8JSJLK3Ji20QfyE/9iq7jTZ6bB0Eb3odpjACE LJBTblPlLIrLpezOBwtZX6vRgA/Y8n9kfXY6lb4fRSuItk+/YQM/p9h0w+752P0/L8IQ yWbA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=23rNznn6QPdBYnh5Wa52qd2lKCkspprhvoFYuf+i8cE=; b=yLydfdiIojwSc/qQ0Vd/pzp9gT6L1/BInLawmpZxdudRusSjnuGpqvWphVrzMuGeTq PnkLKeUE4Pix7lZPxxFFQkiGXtnBCTg+IhXg3kOgb8RpyY6912EsIoMHvCH2YCJquaiT WZpLS/96nBogA5+7DFHK9tByfnKB0DXG+oGeJloFry1OU4oH87v/PvPgWjS6aHXk5Lfs qidAvD+mjgCK64JIsewJjT3GwupTlsQkCAjnOdk9HKX/wGpw7JjA3O4mr9AnXzBZ3oeO EEfPvMOVM2/nAm0nOFQOvNdS3ZtSigsnjsizd7EJhZm86CDarm3TQnn2gpSplUdS50du Tf0A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v20si23165616pff.26.2019.07.09.11.32.45; Tue, 09 Jul 2019 11:33:00 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727519AbfGIS1S (ORCPT + 99 others); Tue, 9 Jul 2019 14:27:18 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:46049 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726318AbfGIS1S (ORCPT ); Tue, 9 Jul 2019 14:27:18 -0400 Received: from pd9ef1cb8.dip0.t-ipconnect.de ([217.239.28.184] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hkupf-0003fC-5y; Tue, 09 Jul 2019 20:27:15 +0200 Date: Tue, 9 Jul 2019 20:27:09 +0200 (CEST) From: Thomas Gleixner To: Geert Uytterhoeven cc: Ferdinand Blomqvist , Linux Kernel Mailing List , linux-m68k Subject: Re: [PATCH v2 1/7] rslib: Add tests for the encoder and decoder In-Reply-To: Message-ID: References: <20190620141039.9874-1-ferdinand.blomqvist@gmail.com> <20190620141039.9874-2-ferdinand.blomqvist@gmail.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 9 Jul 2019, Geert Uytterhoeven wrote: > Hi Ferdinand, > > On Thu, Jun 20, 2019 at 4:13 PM Ferdinand Blomqvist > wrote: > > A Reed-Solomon code with minimum distance d can correct any error and > > erasure pattern that satisfies 2 * #error + #erasures < d. If the > > error correction capacity is exceeded, then correct decoding cannot be > > guaranteed. The decoder must, however, return a valid codeword or report > > failure. > > > Note that the tests take a couple of minutes to complete. > > On which hardware? ;-) > > JFTR, the test succeeded on m68k, after 6 hours and 12 minutes of runtime > on an emulated Atari Falcon (ARAnyM hosted by an i7-4770). > So far I have no plans to run it on bare metal. It took about 4 minutes on a 10 year old lame desktop and was way faster on one of the big irons. Thanks, tglx