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To: Petz who wrote (208026)8/10/2006 2:16:19 AM
From: Elmer PhudRead Replies (1) | Respond to of 275872
 
DOesn't Intel parallellize the code for dual-core chips?

No, at least not in their or anyone elses SPEC submissions.

If not, why not?

Beats me. Maybe they will soon, if for no other reason than to counter those who actually thought that Opteron FP scores suddenly and mysteriously lept with no hardware changes...

Is it because no speedup is possible due to bus limitations?

I don't think so. Given Intel's larger and smarter cache, and the greater memory bandwidth(at least I think it is), I think Intel's average access time is lower than AMD's for most operations, even with Opti's integrated MC.



To: Petz who wrote (208026)8/10/2006 4:22:52 AM
From: DDB_WORespond to of 275872
 
ct mag did some SPEC runs on a Woodcrest, using autoparallelization of ICC 9.1. I posted the results here:
realworldtech.com