We present and evaluate adaptive, hybrid cache coherence protocols for bus-based, shared-memory multiprocessors. Such protocols are motivated by the observation that sharing patterns vary substantially between different programs and even cache blocks within the same program. Performance measurements across a range of parallel applications indicate that the adaptive protocols we present perform well compared to both write-invalidate and write-update protocols.
['Craig Anderson', 'Anna R. Karlin']
Two adaptive hybrid cache coherency protocols