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L2 Vs. L3 CPU cache speed and performance

Fresh5 days ago
Mar 15, 202613165 views
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Problem

In the past few years, looking at Intel CPUs, there has been a move from large size L2 cache to large size L3 cache. A lot of this is due to having more cores on the CPU and wanting to share the cache between them (an L3 advantage). But supposing I have a single threaded application and I want to cā€¦

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Fix for: L2 Vs. L3 CPU cache speed and performance

Low Risk

It depends. If the inner loop of your program fits into the L1 cache of both CPUs and memory speeds are the same, you won't see much difference. If the inner loop fits into the 6MB L2 cache, but does not fit into the L2 cache of the CPU with 6MB L3 ā€¦

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