A Cache System Design for CMPs with Built-In Coherence Verification

Table 7

Performance in CA segmentation.

	without segmentation		with segmentation
Number of cores	Number of comp. steps	Number of check bits	Number of segments	Number of comp. steps	Number of check bits
(1)	(2)	(3)	(4)	(5)	(6)
16	16	1	2	8	2
			4	4	4
256	256	1	2	128	2
			4	64	4
1024	1024	1	2	512	2
			4	256	4
			8	128	8