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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
In-reply-to: <20181212071210.L826@besplex.bde.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
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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.