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On May 25, 2010, at 3:00 PM, Brice Goglin wrote:
> The attached patch implements a "linesize" cache attribute. You now get
> things like
> L3Cache #0 (8192KB line=64)
> L2Cache #0 (256KB line=64)
> L1Cache #0 (32KB line=64)
>> Why is runtime icache information important? :)
> Some people manually optimizing their kernels want this kind of info as
> well as TLB size for instance...
I was being flip; I don't see why icache is more relevant to topology and the apparent purpose of hwloc than any other miscellaneous hardware detail (such as floating point unit count).
Kyle Wheeler, PhD