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resistion
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re: Calxeda roadmap leads to 64-bit CPU in 2014
resistion   10/22/2012 5:06:07 AM
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Very interesting developments.

sfwkjm
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re: Calxeda roadmap leads to 64-bit CPU in 2014
sfwkjm   10/18/2012 2:00:18 PM
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Here is an article with preliminary benchmarks http://www.phoronix.com/scan.php?page=article&item=calxeda_ubuntu_pre&num=1 Get one for yourself @ http://www.systemfabricworks.com/products/systemfabricore -KJM

rick merritt
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re: Calxeda roadmap leads to 64-bit CPU in 2014
rick merritt   10/18/2012 12:22:03 AM
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I am told the Web 2.0 data centers have written much of their own code and done it for 64-bit data sets, but some enterprise Web server and other systems can squeak by on 32-bit code. I believe there may be some third-party benchmarks f0or Calxeda out today. Anyone see them?

TarraTarra!
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re: Calxeda roadmap leads to 64-bit CPU in 2014
TarraTarra!   10/17/2012 11:18:04 PM
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64b for them makes sense. Any idea on whether customers are signing up for the 32b processors. The power measurement charts like the one in the article is questionable. It does not mention the performance or what workload was running on the webserver e.g. The ECX-1000 is low power - that is a given but what performance does it get? Charts such as these make them lose credibility.



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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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