Date: Tue, 11 Dec 2018 21:22:27 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Bruce Evans <brde@optusnet.com.au> Cc: John Baldwin <jhb@freebsd.org>, Devin Teske <dteske@freebsd.org>, Conrad Meyer <cem@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r341803 - head/libexec/rc Message-ID: <2321.1544563347@critter.freebsd.dk> In-Reply-To: <20181212071210.L826@besplex.bde.org> References: <201812110138.wBB1cp1p006660@repo.freebsd.org> <2a76b295-b2da-3015-c201-dbe0ec63ca5a@FreeBSD.org> <98481565-CDD7-4301-B86B-072D5B984AF7@FreeBSD.org> <dafbcc18-146f-2e4f-e1e9-346d7c05b096@FreeBSD.org> <20181212071210.L826@besplex.bde.org>
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-------- 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.
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