cvs commit: src/sys/dev/bge if_bge.c

Poul-Henning Kamp phk at
Sun Dec 24 05:20:10 PST 2006

In message <20061224211712.W25632 at>, Bruce Evans writes:

>Be careful with micro-optimizations.  I saw a single change (adding
>about 1K in unrelated code that is never executed) give a pessimization
>of 15% for tx bge (from 360 kpps to 300 kpps).

It is still a good idea to also disable caches or also benchmark
on a very slow CPU when doing optimizations.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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Never attribute to malice what can adequately be explained by incompetence.

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