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Re: cache misses in gcc 3.3
- From: Daniel Berlin <dberlin at dberlin dot org>
- To: Andi Kleen <ak at muc dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: Sun, 9 Feb 2003 17:31:44 -0500 (EST)
- Subject: Re: cache misses in gcc 3.3
- References: <20030209221311.GA11277@averell>
On Sun, 9 Feb 2003, Andi Kleen wrote:
>
> I ran a slightly older gcc 3.3 on linux in cachegrind
> (http://developer.kde.org/~sewardj/) on an Athlon with 256K cache.
> cachegrind is a cache simulator and gives detailed reports about
> the caching behaviour of a program.
Cachegrind usually gives me *wildly* different results than real profiling
(either with oprofile or vtune for linux).