Question

difference between write update protocol and write invalidate protocol

Answer 1

Answer:

The performance differences between write update and write invalidate protocols arise from three characteristics: 1 Multiple writes to the same word with no intervening reads require multiple write broadcasts in an update protocol, but only one initial invalidation in a write invalidate protocol.

Answer 2

Answer:

The performance differences between write update and write invalidate protocols arise from three characteristics: 1 Multiple writes to the same word with no intervening reads require multiple write broadcasts in an update protocol, but only one initial invalidation in a write invalidate protocol.