“Cache line sizes have not significantly increased since 2009, so 8 should still be optimal for 𝑟.”
Cache line sizes don’t change insignificantly — they change in powers of 2. Cache lines sizes for Intel x86_64 CPUs have not changed at all since 2009, it’s still 64 bytes.
Cache line sizes don’t change insignificantly — they change in powers of 2. Cache lines sizes for Intel x86_64 CPUs have not changed at all since 2009, it’s still 64 bytes.