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Etmax
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All in it's time
Etmax   4/6/2014 10:31:14 PM
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While this will revolutionise the "Big Data" space, I don't think the idea is that revolutionary, more an idea who's time has come.

We used to think that the 68000 CPU was such an amazing thing compared to the 6800, but really when the 6800 was developed they couldn't really put many more transistors onto a die than would make a 6800. IBM was already making large clunkers with bucket loads of discrete logic chips and I remember around the time that the 8080 came out NEC shipped a 16bit dual processor with megabytes of memory the extent of which simply wouldn't fit into a chip.

All I'm saying is most of these things are "this is the amount of resources we have now, what can we do with it."

I mean we've known for decades where the bottlenecks are, we just couldn't do anything about it.

Don't get me wrong, kudos to NVidia for taking the first brave step but it's not unknown technology. We always cross the bridge when we come to it.



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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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