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To: justaview who wrote (227040)2/28/2007 9:07:34 PM
From: pgerassiRespond to of 275872
 
Dear Justaview:

Then you had better check of Sun's submissions on SPECfp_2000 and SPECfp_2006. 2 cores are faster than one core. And 4 cores are faster still.

See the top SPECfp_2000 scores:

spec.org
3538 4 3GHz cores in 4 sockets
spec.org
3338 4 2.6GHz cores in 2 sockets
spec.org
3073 2 2.8GHz cores in 1 socket

C2D's best:
spec.org
3056 2 3GHz cores in one socket (1 claimed to be enabled)

According to you Opteron 256s must be 1.16 times as fast as 3GHz Xeon 5160s. Its because Studio creates 4 subthreads on some subtests and gets faster single thread results. So Opteron must be a faster in FP.

Pete



To: justaview who wrote (227040)3/1/2007 1:13:08 AM
From: fastpathguruRespond to of 275872
 
You are a one confused dude. cpu2006 int/fp (not rate) is a single-thread benchmark suite. It makes no difference if you are running on a 4, 2 or 1 core system. Only one core is being tested.

O RLY? Makes no difference, even for a shared-cache architecture?

fpg


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