Messages in this thread | | | Date | Tue, 28 Jan 2003 08:49:34 -0800 | From | "Martin J. Bligh" <> | Subject | Re: [PATCH] page coloring for 2.5.59 kernel, version 1 |
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> The main advantage of cache coloring normally is that benchmarks > should get stable results. Without it a benchmark result can vary based on > random memory allocation patterns. > > Just having stable benchmarks may be worth it.
OK, I'll try to hack the scripts to measure standard deviation between runs as well.
> I suspect the benefit will vary a lot based on the CPU. Your caches may > have good enough associativity. On other CPUs it may make much more difference.
IIRC, P3's are 4 way associative ... people had been saying that this would make more of a difference on machines with larger caches, which is why I ran it ... 2Mb is fairly big for ia32.
M.
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