From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Sixt Subject: Re: [PATCH] t1050-large: replace dd by test-genrandom Date: Tue, 13 Jan 2015 20:55:22 +0100 Message-ID: <54B5782A.2010003@kdbg.org> References: <54B5579B.4080607@kdbg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Cc: Git Mailing List To: Junio C Hamano X-From: git-owner@vger.kernel.org Tue Jan 13 20:55:40 2015 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YB7Ys-0002vB-ND for gcvg-git-2@plane.gmane.org; Tue, 13 Jan 2015 20:55:35 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753790AbbAMTz1 (ORCPT ); Tue, 13 Jan 2015 14:55:27 -0500 Received: from bsmtp7.bon.at ([213.33.87.19]:48106 "EHLO bsmtp.bon.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753786AbbAMTzZ (ORCPT ); Tue, 13 Jan 2015 14:55:25 -0500 Received: from dx.sixt.local (unknown [93.83.142.38]) by bsmtp.bon.at (Postfix) with ESMTPSA id 3kMMvt4yXtz5tlC; Tue, 13 Jan 2015 20:55:22 +0100 (CET) Received: from dx.sixt.local (localhost [IPv6:::1]) by dx.sixt.local (Postfix) with ESMTP id 1982519F8CC; Tue, 13 Jan 2015 20:55:22 +0100 (CET) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 In-Reply-To: Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Am 13.01.2015 um 19:56 schrieb Junio C Hamano: > Johannes Sixt writes: >> The new code does change some properties of the generated files: >> >> - They are a bit smaller. >> - They are not sparse anymore. >> - They do not compress well anymore. >> - The smaller of the four files is now a prefix of the larger. Would you kindly strike the last bullet point when you apply the patch, because it is not true, as I just noticed: >> + test-genrandom seed1 2000000 >large1 && ... >> + test-genrandom seed2 2500000 >huge && The seeds are different so that the files are completely dissimilar. This does not affect the rest of the analysis I gave in the commit message. Thanks, -- Hannes