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From: Nicholas N. <nj...@cs...> - 2006-03-10 04:08:45
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On Thu, 9 Mar 2006 val...@ce... wrote: > Is a miss on the instruction cache as costly as on data cache? Probably. > It appears that in some places I am approaching and even passing 50% miss > rate > on the data cache reads. This sounds pretty bad. Yes, that's very bad. > What does "improve locality of accesses to them" mean in regards to the > crucial > data structure? Google for "locality". Basically, you want your memory accesses to be clustered close together as much as possible. If you're randomly jumping all over memory that will be bad for cache performance. Nick |