From owner-svn-src-head@freebsd.org Tue Dec 11 21:22:30 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A595613158B1; Tue, 11 Dec 2018 21:22:30 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) by mx1.freebsd.org (Postfix) with ESMTP id 3A2CF6E90F; Tue, 11 Dec 2018 21:22:30 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (unknown [192.168.55.3]) by phk.freebsd.dk (Postfix) with ESMTP id 41AE314867; Tue, 11 Dec 2018 21:22:29 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.15.2/8.15.2) with ESMTPS id wBBLMSX5002323 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 11 Dec 2018 21:22:28 GMT (envelope-from phk@critter.freebsd.dk) Received: (from phk@localhost) by critter.freebsd.dk (8.15.2/8.15.2/Submit) id wBBLMR88002322; Tue, 11 Dec 2018 21:22:27 GMT (envelope-from phk) To: Bruce Evans cc: John Baldwin , Devin Teske , Conrad Meyer , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r341803 - head/libexec/rc In-reply-to: <20181212071210.L826@besplex.bde.org> From: "Poul-Henning Kamp" References: <201812110138.wBB1cp1p006660@repo.freebsd.org> <2a76b295-b2da-3015-c201-dbe0ec63ca5a@FreeBSD.org> <98481565-CDD7-4301-B86B-072D5B984AF7@FreeBSD.org> <20181212071210.L826@besplex.bde.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2320.1544563347.1@critter.freebsd.dk> Date: Tue, 11 Dec 2018 21:22:27 +0000 Message-ID: <2321.1544563347@critter.freebsd.dk> X-Rspamd-Queue-Id: 3A2CF6E90F X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-4.97 / 15.00]; NEURAL_HAM_SHORT(-0.97)[-0.972,0]; REPLY(-4.00)[] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Dec 2018 21:22:30 -0000 -------- In message <20181212071210.L826@besplex.bde.org>, Bruce Evans writes: >But software bloat is now outrunning CPU speed increases. Some bandwidths >for reading 1 byte at a time run today on the same 2GHz CPU i386 UP hardware > >linux-2.1.128 kernel built in 1998: 2500k/sec >linux-2.4.0t8 kernel built in 2000: 1720k/sec >linux-2.6.10 kernel built in 2004: 1540k/sec >FreeBSD-4 kernel built in 2007: 680k/sec >FreeBSD-~5.2 kernel built in 2018: 700k/sec >FreeBSD-11 kernel built in 2018: 720k/sec (SMP kernel) >FreeBSD-pre12 kernel built in 2018: 540k/sec (SMP kernel) >FreeBSD-13 kernel built in 2018: 170k/sec (SMP kernel) It is not just software bloat, it is also caused by the deeper and deeper pile of kludges between what goes for a "CPU" these days and what counts as "RAM". -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.