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*** AMD "Zen" thread (inc AM4/APU discussion) ***

Silent_Scone said:
Whilst the shadow p-state theory does make sense, I've heard it's even more elementary than that - controlled via the given application. It would tie in with the granular clock adjustments that shadow p-states allows, though.
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Yeah I'm only assuming here for Ryzen as there's no official details on it, but from reading up on Carrizo,Br a long time ago I read up on how avfs works. The firmware uses a set of Avfs Modules to monitor voltage, Vid, temp, core load and frequency etc, from the telemetry it receives from the embedded sensors, tt can adjust the vid to each specific Die characteristic (ie leaky die/ more efficient die) so for a decent die it will use less voltage and hold boost for longer, dependent on the sensory factors.
So yeah I can imagine that with Ryzen they have a similar setup but it also has the added ability to apply an offset mulitiplier over the precision boost multiplier, which is constantly adjusting depending on sensory limits.
 
RSR said:
:D:p

You're more than welcome to give it ago, I've tryed more or less all combos.

The only way it boots at 3200Mhz is with a old Bios from a when it was first released.
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The auto rules have changed a lot since launch, it's just an alignment issue you can dial out if you know how to approach it
 
From hexus link:

In Fire Strike you can see the 1700X attained 17,916 in the physics test with an average of over 56fps. Using ZDNet's CPUmark the new AMD CPU got a score of 583, that's a little better than the 8C/16T Intel Core i7-5960X Processor Extreme Edition could achieve. Maxon's Cinebench test gave the 1700X a score of 1,537, more significantly improved over the Core i7 5960X (which scores 1,318 according to VideoCardz). Last but not least the CPU-Z screens show that the 8C/16T 14nm AMD Ryzen 7 1700X runs at 3,500MHz and the tested system used 2,132MHz memory
 
bewm.

b3b09dea_AMD-Ryzen-7-1700X-Fire-Strike-Physics.png
 
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