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Re: Tenchu post# 136940

Friday, 10/03/2014 3:34:20 PM

Friday, October 03, 2014 3:34:20 PM

Post# of 151689
There might also be a small advantage in power consumption, but that's theoretical and based on the whole notion that RISC is inherently better than CISC.

actually if you look at the actual execution engine of a high performance x86 cpu these days, you would find that it is a high performance risc processor. the decoder is the only block which needs to see the cisc stuff; after that everything is converted to micro-ops which are risc. decoder is less than 5% a high end cpu so power savings of arm is only valid for very low power cpus where decoding would consume a larger relative portion of the power. At 50+ watts it is not a differentiator.
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