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GREATTerry
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re: A peek inside Apple's A6 processor
GREATTerry   9/25/2012 10:50:05 AM
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What is the main benefit of using such architecture?

goafrit
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re: A peek inside Apple's A6 processor
goafrit   9/25/2012 12:19:49 PM
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How I wish you can publish the circuit. I will send you My Nobel Prize award for service to humanity.

Neo10
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re: A peek inside Apple's A6 processor
Neo10   9/26/2012 2:16:08 AM
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Don't understand it, why two cores and 3 gpus? I don't think they are using big little here. It could be just going to new process node and some system changes in the components.

The MicroMan
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re: A peek inside Apple's A6 processor
The MicroMan   9/26/2012 4:32:54 PM
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There's nothing "big-LITTLE" about a couple identical CPUs and a trip of graphics cores. Big-LITTLE is about a smaller CPU (maybe Cortex-A7) to offload a larger CPU (-A15). While big-LITTLE would be a good approach, I'm not sure I've seen any indication that was done in this chip. Separate on-chip graphics cores are standard design practice.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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