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Re: [gnugo-devel] oprofile

From: Arend Bayer
Subject: Re: [gnugo-devel] oprofile
Date: Tue, 20 Apr 2004 22:55:34 +0200 (CEST)

On Mon, 19 Apr 2004, Gunnar Farneback wrote:

> Arend wrote:
> > The more important benefit, available on Pentium 4 and later or roughly
> > equivalent Athlon processors, is that it can use the processor's
> > performance counters and, e.g., generate a listing of L2 cache misses
> > per source code line.
> Presumably the cachegrind tool in valgrind can also do similar things.
> I have never tested it though and do not know how it compares.

Apart from being a much slower (around 1000%), there are some useful
things that valgrind cannot do (e.g. counting branch mispredictions). It is
easier to setup and usable on all linux platforms, however.


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