I don't understand the second point. How do rules of operation cause unnecessary communication? Where does the 2x overhead come from?
The example rule is that the system must load an entire cache line before any stores to that line can occur.
More specific, a system with write-allocate policy.
I don't understand the second point. How do rules of operation cause unnecessary communication? Where does the 2x overhead come from?
The example rule is that the system must load an entire cache line before any stores to that line can occur.
More specific, a system with write-allocate policy.