The RAM myth is a belief that modern computer memory resembles perfect random-access memory. Cache is seen as an optimization for small data: if it fits in L2, it’s going to be processed faster; if it doesn’t, there’s nothing we can do. Most likely, you believe that code like this is the fastest way to shard data (I’m using Python as pseudocode; pretend I used your favorite low-level language): groups = [[] for _ in range(n_groups)] for element in elements: groups[element.group].appen...
