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post #8601 of 17221
Quote:
Originally Posted by Reikoji View Post

Oh i read that. But all they really said was CC6 cant be measured by normal means. CC1 2 and 3 can be measured. 1 is what we are setting for our pstate overclocks. 2's default for 1800x is 3200 at like 1.2v or so. 3 is 2200 at .9 volt. THOSE can be measured, and are being shown whenever minimum processor state is further below 90%. at 90% there is no indication of downclocking or downvolting whatsoever.

Below 3 is 400mhz at 0(the unmeasurable!)v, which is pretty much when your pc goes to sleep. That of course is never seen in monitoring software, since the pc is dead when its at that level.

But it doesn't say that only CC6 can't be measured. They are in separate paragraphs as well. And they appear to state that all 6 states work. Also, if its really stuck at 90%, then other than CC1, none of the other CC states would be working. The fact that the processor even decreases a little bit means that it is not stuck at 90% and it may switch through the CC states too quickly for measurements.
Quote:
Now that you know a little more about the performance of our new plan, let’s talk power. The AMD Ryzen Balanced power plan does not change how our processor handles low-power idle states called “CC-States.” These CC-States number cc1 through cc6, representing increasingly aggressive clock and power gating. In fact, cc6 represents a core that is essentially turned off. The core is sleeping so deeply that only its voltage can be detected by software.

The sophisticated power management technology in the “Zen” core can autonomously enter and exit these CC-States as quickly as 1ms. Software tools, unable to see through the sleep, will simply report the last P-state known to the OS before the core entered a CC-state. Don’t be alarmed! The effective frequency of a sleeping core is much lower (generally sub-1GHz).

Does not only state CC6. It states entered a CC-state.
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Ryzen - Elmor
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post #8602 of 17221
Quote:
Originally Posted by finalheaven View Post

But it doesn't say that only CC6 can't be measured. They are in separate paragraphs as well. And they appear to state that all 6 states work. Also, if its really stuck at 90%, then other than CC1, none of the other CC states would be working. The fact that the processor even decreases a little bit means that it is not stuck at 90% and it may switch through the CC states too quickly for measurements.
Does not only state CC6. It states entered a CC-state.
i've noticed with XFR disabled in the bios it doesn't change clock frequency at all. another user noticed this as well.

edit:
here's a pick to show how clock speeds don't drop when ryzen balance profile is enabled with XFR disabled.

Edited by orlfman - 4/11/17 at 10:59pm
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post #8603 of 17221
Quote:
Originally Posted by finalheaven View Post

But it doesn't say that only CC6 can't be measured. They are in separate paragraphs as well. And they appear to state that all 6 states work. Also, if its really stuck at 90%, then other than CC1, none of the other CC states would be working. The fact that the processor even decreases a little bit means that it is not stuck at 90% and it may switch through the CC states too quickly for measurements.
Does not only state CC6. It states entered a CC-state.

well, i simply cant find myself believing that.

I also checked some wattage differences. CPU Core power (SVI2 TFN) with minimum cpu state of 59% or lower (lowest to show visual down clock/volt) can drop down to less than 1w in idle states. 60%, which shows visual drop down to Pstate 1 wont get lower than 6.8ish watts. 90% it will struggle to get to 9w idling. 100% is no difference.

This is the only cpu core measurement in HWinfo that shows any kind of change with downclocking and volting, and the fact that it shows a pretty significant difference of wattage between visually dropping down to 2400mhz .9v and visually staying at 4000mhz 1.35v with this supposed drop says something.
Edited by Reikoji - 4/11/17 at 11:00pm
post #8604 of 17221
Quote:
Originally Posted by orlfman View Post

i've noticed with XFR disabled in the bios it doesn't change clock frequency at all. another user noticed this as well.

edit:
here's a pick to show how clock speeds don't drop when ryzen balance profile is enabled with XFR disabled.

Yes we know the clock frequency doesn't change when its reported by the monitor. But that's the whole point of what we're talking about. Why does the wattage still drop massively?
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Ryzen - Elmor
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post #8605 of 17221
Quote:
Originally Posted by Reikoji View Post

well, i simply cant find myself believing that.

I also checked some wattage differences. CPU Core power (SVI2 TFN) with minimum cpu state of 59% or lower (lowest to show visual down clock/volt) can drop down to less than 1w in idle states. 60%, which shows visual drop down to Pstate 1 wont get lower than 6.8ish watts. 90% it will struggle to get to 9w idling. 100% is no difference.

This is the only cpu core measurement in HWinfo that shows any kind of change with downclocking and volting, and the fact that it shows a pretty significant difference of wattage between visually dropping down to 2400mhz .9v and visually staying at 4000mhz 1.35v with this supposed drop says something.

Look at the CPU Package Power. Even when I switch between balanced and Ryzen balanced, the difference is about 2-4 watts max.

And if it's really locked at 90% the entire time, doesn't that mean it shouldn't change Pstates at all? If you are right then how do you explain the drops?
Edited by finalheaven - 4/11/17 at 11:13pm
Ryzen - Elmor
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Ryzen - Elmor
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post #8606 of 17221
Quote:
Originally Posted by finalheaven View Post

Yes we know the clock frequency doesn't change when its reported by the monitor. But that's the whole point of what we're talking about. Why does the wattage still drop massively?
here's a pic with high performance profile selected:

there really doesn't appear to be much of a difference. the averages and lows are pretty much the same. highs are similar. the current was different because the moment i took the snapshot my steam in the background in the system tray started to do an update. it really seems like ryzen balance and high performance are identical... at least in my case with XFR disabled.
strix
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CPUMotherboardGraphicsRAM
AMD Ryzen R7 1800x Asus X370 Crosshair Vi Hero EVGA 1080 FTW G.skill Flare X 3200 2x8 16gb 
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strix
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post #8607 of 17221
I started looking in ti VDDP yesterday since 0.915 does not seem to cut it at 3472 mem. Any idea about sensible limits on this??
post #8608 of 17221
Quote:
Originally Posted by orlfman View Post

here's a pic with high performance profile selected:

there really doesn't appear to be much of a difference. the averages and lows are pretty much the same. highs are similar. the current was different because the moment i took the snapshot my steam in the background in the system tray started to do an update. it really seems like ryzen balance and high performance are identical... at least in my case with XFR disabled.

They are, because both high performance and ryzen balance keep processors @ whatever Pstate 0 is. 90% isnt going to drop states, or idle power usage any significant level.
Quote:
Originally Posted by finalheaven View Post

Look at the CPU Package Power. Even when I switch between balanced and Ryzen balanced, the difference is about 2-4 watts max.

And if it's really locked at 90% the entire time, doesn't that mean it shouldn't change Pstates at all? If you are right then how do you explain the drops?

There are also various other settings normally hidden that AMD most likely altered to get the 2-4 wat drop between 90% and 100%, and IMO it is not the 90% and 100% that is doing it.

Have you tried changing your ryzen balanced power plan's minimum processor state from 90% to 100% and see what difference that makes in the cpu package power?
post #8609 of 17221
I want to thank everyone on here for there info posted.. It's been a great help!! thumb.gif
post #8610 of 17221
Zowie! Bang! Bosh!

Take that Intel!

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