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rick merritt
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Software for ARM servers
rick merritt   8/20/2014 11:03:24 AM
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Anyone seen signs of Windows Server on ARM? What other software milestones are still ahead?

Some Guy
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Re: Software for ARM servers
Some Guy   8/20/2014 12:45:05 PM
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A couple of other big challenges: Middleware, Virtualization, Server Management, KVM. It is a chicken and egg problem. I expect that Linux / Open Source will lead it and it will take a long time to get enough volume to interest Microsoft. Especially with Intel two years ahead with microserver product and now willing to customize Xeon.

DrFPGA
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Intel ARMs Up?
DrFPGA   8/21/2014 6:19:23 PM
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Intel probably adds FPGA-like programmability to their chips well before we ever see them shift to an ARM-based architecture.

Intel needs to do something innovative however to deliver something to customers other than just code compatibility (IMHO)...

Wilco1
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Re: Software for ARM servers
Wilco1   8/21/2014 6:45:55 PM
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ARM & Microsoft have stated a long time ago they are working on a 64-bit port of Windows. Once you've got the OS kernel working on 64-bit ARM, it becomes a relatively simple recompile as everything already works on 64-bit x86 CPUs (just like RT runs the traditional desktop without a glitch).

As for milestones ahead, I think the main one is TSMC 16FF as that's what many of the ARM server companies are aiming for. As for ARM being stressed, they have already been paid for their licenses (server chips, even if highly successful, will never add much to ARM's bottom line compared to the billions of $1 ARM chips). So with money in the bank, I can't see much stress there...



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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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