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Tue, 15 Dec 2020 23:39:21 +0000 Received: by smtp409.mail.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 7f42f66753ff764add4cd34d24e29391; Tue, 15 Dec 2020 23:39:20 +0000 (UTC) Date: Tue, 15 Dec 2020 18:39:17 -0500 From: "Alex Xu (Hello71)" Subject: Re: [RFC PATCH] treewide: remove bzip2 compression support To: linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org References: <20201215190315.8681-1-alex_y_xu.ref@yahoo.ca> <20201215190315.8681-1-alex_y_xu@yahoo.ca> In-Reply-To: <20201215190315.8681-1-alex_y_xu@yahoo.ca> MIME-Version: 1.0 Message-Id: <1608075451.ootu1tx25o.none@localhost> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailer: WebService/1.1.17278 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.8) Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org Excerpts from Alex Xu (Hello71)'s message of December 15, 2020 2:03 pm: > bzip2 is either slower or larger than every other supported algorithm, > according to benchmarks at [0]. It is far slower to decompress than any > other algorithm, and still larger than lzma, xz, and zstd. >=20 > [0] https://lore.kernel.org/lkml/1588791882.08g1378g67.none@localhost/ >=20 > Signed-off-by: Alex Xu (Hello71) Upon further research, I found that bzip2 removal was already=20 implemented as part of zstd addition, but were apparently abandoned in=20 an effort to get zstd in. I will check those patches and try sending=20 those instead. Thanks to all reviewers for comments on this patch. 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Tue, 15 Dec 2020 23:39:21 +0000 Received: by smtp409.mail.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 7f42f66753ff764add4cd34d24e29391; Tue, 15 Dec 2020 23:39:20 +0000 (UTC) Date: Tue, 15 Dec 2020 18:39:17 -0500 From: "Alex Xu (Hello71)" Subject: Re: [RFC PATCH] treewide: remove bzip2 compression support To: linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org References: <20201215190315.8681-1-alex_y_xu.ref@yahoo.ca> <20201215190315.8681-1-alex_y_xu@yahoo.ca> In-Reply-To: <20201215190315.8681-1-alex_y_xu@yahoo.ca> MIME-Version: 1.0 Message-Id: <1608075451.ootu1tx25o.none@localhost> X-Mailer: WebService/1.1.17278 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.8) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201215_183925_263050_A799CBD5 X-CRM114-Status: UNSURE ( 5.27 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Excerpts from Alex Xu (Hello71)'s message of December 15, 2020 2:03 pm: > bzip2 is either slower or larger than every other supported algorithm, > according to benchmarks at [0]. It is far slower to decompress than any > other algorithm, and still larger than lzma, xz, and zstd. > > [0] https://lore.kernel.org/lkml/1588791882.08g1378g67.none@localhost/ > > Signed-off-by: Alex Xu (Hello71) Upon further research, I found that bzip2 removal was already implemented as part of zstd addition, but were apparently abandoned in an effort to get zstd in. I will check those patches and try sending those instead. Thanks to all reviewers for comments on this patch. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A32BC4361B for ; Tue, 15 Dec 2020 23:40:54 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D0E2A22C7D for ; 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Tue, 15 Dec 2020 23:39:21 +0000 Received: by smtp409.mail.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 7f42f66753ff764add4cd34d24e29391; Tue, 15 Dec 2020 23:39:20 +0000 (UTC) Date: Tue, 15 Dec 2020 18:39:17 -0500 From: "Alex Xu (Hello71)" Subject: Re: [RFC PATCH] treewide: remove bzip2 compression support To: linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org References: <20201215190315.8681-1-alex_y_xu.ref@yahoo.ca> <20201215190315.8681-1-alex_y_xu@yahoo.ca> In-Reply-To: <20201215190315.8681-1-alex_y_xu@yahoo.ca> MIME-Version: 1.0 Message-Id: <1608075451.ootu1tx25o.none@localhost> X-Mailer: WebService/1.1.17278 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.8) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201215_183925_257045_4711953C X-CRM114-Status: UNSURE ( 6.24 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Excerpts from Alex Xu (Hello71)'s message of December 15, 2020 2:03 pm: > bzip2 is either slower or larger than every other supported algorithm, > according to benchmarks at [0]. It is far slower to decompress than any > other algorithm, and still larger than lzma, xz, and zstd. > > [0] https://lore.kernel.org/lkml/1588791882.08g1378g67.none@localhost/ > > Signed-off-by: Alex Xu (Hello71) Upon further research, I found that bzip2 removal was already implemented as part of zstd addition, but were apparently abandoned in an effort to get zstd in. I will check those patches and try sending those instead. Thanks to all reviewers for comments on this patch. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Xu (Hello71) Date: Tue, 15 Dec 2020 18:39:17 -0500 Subject: [OpenRISC] [RFC PATCH] treewide: remove bzip2 compression support In-Reply-To: <20201215190315.8681-1-alex_y_xu@yahoo.ca> References: <20201215190315.8681-1-alex_y_xu.ref@yahoo.ca> <20201215190315.8681-1-alex_y_xu@yahoo.ca> Message-ID: <1608075451.ootu1tx25o.none@localhost> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org Excerpts from Alex Xu (Hello71)'s message of December 15, 2020 2:03 pm: > bzip2 is either slower or larger than every other supported algorithm, > according to benchmarks at [0]. It is far slower to decompress than any > other algorithm, and still larger than lzma, xz, and zstd. > > [0] https://lore.kernel.org/lkml/1588791882.08g1378g67.none at localhost/ > > Signed-off-by: Alex Xu (Hello71) Upon further research, I found that bzip2 removal was already implemented as part of zstd addition, but were apparently abandoned in an effort to get zstd in. I will check those patches and try sending those instead. Thanks to all reviewers for comments on this patch.