<Li> Level 2 (L2) Instruction and data (shared)--1 MiB in size . Best access speed is around 200 GiB / second </Li> <Li> Level 3 (L3) Shared cache--6 MiB in size . Best access speed is around 100 GB / second </Li> <Li> Level 4 (L4) Shared cache--128 MiB in size . Best access speed is around 40 GB / second </Li> <Li> Main memory (Primary storage)--Gigabytes in size . Best access speed is around 10 GB / second . In the case of a NUMA machine, access times may not be uniform </Li>

Where does the data go first with a computer memory hierarchy