linux.conf.au
Optimization

From: Rusty Russell <rusty@rustcorp.com.au>
To: "David S. Miller" <davem@redhat.com>
Cc: akpm@zip.com.au, torvalds@transmeta.com, linux-kernel@vger.kernel.org, k-suganuma@mvj.biglobe.ne.jp
Subject: Re: [PATCH] 2.5.21 Nonlinear CPU support

On Wed, 12 Jun 2002 02:26:41 -0700 (PDT)
"David S. Miller" <davem@redhat.com> wrote:

>    From: Rusty Russell <rusty@rustcorp.com.au>
>    Date: Wed, 12 Jun 2002 16:58:23 +1000
> 
>    In message <20020611.021043.04190747.davem@redhat.com> you write:
>    > And remember, it's the anal "every microoptimization at all costs"
>    > people that keep the kernel sane and from running out of control bloat
>    > wise.
>    
>    But it also gave us crap like net/ipv4/route.c:ip_rt_acct_read() 8(
> 
> That's far from being an attempt optimization :-)

I was giving you the benifit of the doubt, that both the design (binary
data from /proc) and the code (#ifdef, cpu_logical_map(0), and "256"
sprinkled everywhere) were some insane attempt at speed, rather that
a demonstration of sheer programming idiocy.

I stand corrected 8).  This papers over the damage: