If that is faster would seem to depend on if you can get most lookups from the L2 cache. Otherwise you're waiting for main memory, which is a few hundred cycles

If that is faster would seem to depend on if you can get most lookups from the L2 cache. Otherwise you're waiting for main memory, which is a few hundred cycles. Even with multiple loads in parallel, it would be hard to beat arithmetic. https://specbranch.com/posts/lookup-tables/ https://specbranch.com/posts/lookup-tables/