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To: j3pflynn who wrote (189022)	3/8/2006 9:22:15 AM
From: eracer	Respond to of 275872

Re: eracer - How many of the benchmarks do you think extended beyond the 4MB L2, that weren't limited by some factor other than the CPU/memory system? I don't feel that any of the encoding benchmarks are cache limited. Anantech's second Yonah performance review compared a X2 3800+ with 512KBx2 to an Opterton/Athlon 64 with 1MBx2 also clocked at 2GHz. There were no significant performance differences between the two in the encoding benchmarks. I don't feel adding 4MB of L3 to Athlon 64, or more cache to Conroe, would do much to improve performance in the few encoding benchmarks tested. Games tend to respond favorably to more cache. It should be more important in the cases like SMP Quake 4 where both cores are used heavily and 4MB of L2 should get split more equally between the two cores. Even so I feel the large Conroe L2 cache was a relatively minor part of the overall performance increase seen.