|
From: Nicholas N. <nj...@ca...> - 2004-06-15 08:25:10
|
On Mon, 14 Jun 2004, ozgun erdogan wrote: > Is there a website (paper) that summarizes the cost of cache misses? I've > read a paper that says the cost of accessing the memory is around 15 CPU > cyles... There are many. Google for eg. "cache miss cost" or "cache optimizations". > I don't think Cachegrind is doing anything wrong. You could say I'm > (basically) probing random memory that is 32 MB long. Right, in that case it sounds like Cachegrind is giving the right answers. Can you rethink your data structures? It could make an *enormous* speed difference. N |