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AMD GPU Drivers: The Real Truth. - Page 17

post #161 of 454
Quote:
Originally Posted by sugarhell View Post

You need to enable dx monitoring for amd gpus for better gpu monitoring.

If your ab doesnt look like this then you are doing it wrong.


this is how mine looks like last time i checked . . .




i play with them at stock.
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post #162 of 454
Thread Starter 
Quote:
Originally Posted by rdr09 View Post

nah, it works. i just make sure voltage monitoring is unchecked. not sure about the latest driver or version of AB. haven't used it in awhile. it does conflict with other apps like CCC or Fraps in the past.

GCN has issues last time I heard. Programmer of MSI AB introduced an algorithm to restore decent monitoring, but not entirely accurate.
Quote:
Originally Posted by sugarhell View Post

You need to enable dx monitoring for amd gpus for better gpu monitoring.

If your ab doesnt look like this then you are doing it wrong.


This is fine for a single GPU. For multi GPU, it is not ideal because whatever the usage is on the top card, it is copied for the rest of the remaining cards. So, if GPU2 is not scaling well or has much lower usage, you'll never know with this enabled.
Quote:
Originally Posted by mtcn77 View Post

Your results are obviously not critical, otherwise you would provide a more systematic corollaries rather than purely anectodal ones.
For instance, Warning: Spoiler! (Click to show)



Is it the AMD drivers, still?
[Source]

Will I get similar results to the dual rank DIMM's since I have 4 sticks in quad channel? (2 SR's = 1DR. Test uses 2 DR's. I have 2DR equivalent 4SR's = 2 DR).

As for "are AMD drivers still to blame"? Well, that test is with Nvidia GPU's. Also, the evidence is clear that AMD have higher CPU overhead in general as explained in the OP and throughout the whole thread.
Edited by BradleyW - 9/24/15 at 3:25pm
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post #163 of 454
Quote:
Originally Posted by sugarhell View Post

You need to enable dx monitoring for amd gpus for better gpu monitoring.

If your ab doesnt look like this then you are doing it wrong.


Does this even work on recent GPUs?

Last GPU that the included .dll in AB's override folder was capable of disabling power play on was Tahiti. When I tested that setting with Hawaii, it did nothing.

Outside of things like FurMark or OCCT, just setting power limit to +50% should remove throttling on any but the most insane OCs.
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post #164 of 454
Soooo, I've been playing with overclocks etc and have left afterburner monitoring on my second screen. On most games cpu usage will bounce around the 50-70 mark depending on the game then all of a sudden get pegged up to 99 and my frames drop noticeably. Gpu usage usually fluctuates and is never pegged.

Is this what you are referring to BradleyW?

I'm running a 3770k at 4.7ghz and 2 R 9 290's in crossfire using windows 8.1 at a resolution of 1440p.
   
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post #165 of 454
Quote:
Originally Posted by sinnedone View Post

Soooo, I've been playing with overclocks etc and have left afterburner monitoring on my second screen. On most games cpu usage will bounce around the 50-70 mark depending on the game then all of a sudden get pegged up to 99 and my frames drop noticeably. Gpu usage usually fluctuates and is never pegged.

Is this what you are referring to BradleyW?

I'm running a 3770k at 4.7ghz and 2 R 9 290's in crossfire using windows 8.1 at a resolution of 1440p.
what games did you try?



@BradleyW
Why you dont try changing settings like AFR,Disabling frame pacing,check the flip queue size,affinity selection,driver differences, 1440 at those scenarios vs 1080 vs VSR,try to check if there is enough vram,enough pagefile,dont oc the dram/bclk.
Edited by PontiacGTX - 9/24/15 at 8:04pm
post #166 of 454
Quote:
Originally Posted by BradleyW View Post

GCN has issues last time I heard. Programmer of MSI AB introduced an algorithm to restore decent monitoring, but not entirely accurate.
This is fine for a single GPU. For multi GPU, it is not ideal because whatever the usage is on the top card, it is copied for the rest of the remaining cards. So, if GPU2 is not scaling well or has much lower usage, you'll never know with this enabled.
Will I get similar results to the dual rank DIMM's since I have 4 sticks in quad channel? (2 SR's = 1DR. Test uses 2 DR's. I have 2DR equivalent 4SR's = 2 DR).

As for "are AMD drivers still to blame"? Well, that test is with Nvidia GPU's. Also, the evidence is clear that AMD have higher CPU overhead in general as explained in the OP and throughout the whole thread.
Like I said, if it were myself stating this, it would be more credible in the sense there indeed wasn't anything to do about it on a two rank addressable cpu. Your cpu, on the other hand, can address four times as many dimm slots than mine and twice as many as a dual-channel quad rank cpu therefore you're using the octa rank cpu unoptimally using with four channels and four ranks. Unless you do something about it, you're only reestablishing your sense of control. Even with Nvidia gpus, it would still occur however you would like the blame to fall on AMD which is not the case in this particular example.
Quote:
It’s not all bad news, due to the fact that there is no on-die GPU this frees up room for the memory controller. This brings with it quad channel memory support at 128GB/s bandwidth. The speed is marked at 1600MHz with 1 dimm per channel or 1333MHz with 2 dimms per channel.
Quote:
Inside the monolithic processor design is an integrated I/O (four lanes PCI-Express 2.0 and Direct Media Interface Gen2) as well as a memory controller supporting quad-channel DDR3 with one unbuffered DIMM per channel. Quad-channel DDR3 memory data transfer rates of 1066, 1333 and 1600 MT/s is supported with thermal monitoring and improved thermal throttling with dynamic CLTT. Up to two ranks are supported per memory channel, with 1 or 2 ranks per DIMM.
[Source], [Source]
Edited by mtcn77 - 9/24/15 at 9:52pm
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post #167 of 454
Quote:
Originally Posted by BradleyW View Post

GCN has issues last time I heard. Programmer of MSI AB introduced an algorithm to restore decent monitoring, but not entirely accurate.
This is fine for a single GPU. For multi GPU, it is not ideal because whatever the usage is on the top card, it is copied for the rest of the remaining cards. So, if GPU2 is not scaling well or has much lower usage, you'll never know with this enabled.
Will I get similar results to the dual rank DIMM's since I have 4 sticks in quad channel? (2 SR's = 1DR. Test uses 2 DR's. I have 2DR equivalent 4SR's = 2 DR).

As for "are AMD drivers still to blame"? Well, that test is with Nvidia GPU's. Also, the evidence is clear that AMD have higher CPU overhead in general as explained in the OP and throughout the whole thread.

so yours are not set like so. AB and HW Monitor (highest rdgs) arre very similar from my experience. Like i said, I make sure CCC is not running (Overdrive off) when using AB.

Fraps conflict with Mantle. not sure if it does still.

edit: My gpus run independently but, of course, we want them as close to 100%. Here is an example of AB rdg in a benchmark . . .


Edited by rdr09 - 9/24/15 at 8:33pm
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post #168 of 454
I don't have any issues with MSI AB monitoring the usage of my 290Xes.
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post #169 of 454
Thread Starter 
Quote:
Originally Posted by sinnedone View Post

Soooo, I've been playing with overclocks etc and have left afterburner monitoring on my second screen. On most games cpu usage will bounce around the 50-70 mark depending on the game then all of a sudden get pegged up to 99 and my frames drop noticeably. Gpu usage usually fluctuates and is never pegged.

Is this what you are referring to BradleyW?

I'm running a 3770k at 4.7ghz and 2 R 9 290's in crossfire using windows 8.1 at a resolution of 1440p.

This Is exactly the overhead issue in a nutshell. You see, when people start to look for it, you'll find it on a wide range of games when using AMD as your main GPU. Those who don't believe in the overhead either play at 4K, hence their fps is too low to notice overhead, or they only play 1 or 2 games instead of every AAA release.
Quote:
Originally Posted by PontiacGTX View Post

what games did you try?


@BradleyW
Why you dont try changing settings like AFR,Disabling frame pacing,check the flip queue size,affinity selection,driver differences, 1440 at those scenarios vs 1080 vs VSR,try to check if there is enough vram,enough pagefile,dont oc the dram/bclk.

You know I've tried all this. The only ones who can fix overhead is AMD. It's their driver.

Quote:
Originally Posted by mtcn77 View Post

Like I said, if it were myself stating this, it would be more credible in the sense there indeed wasn't anything to do about it on a two rank addressable cpu. Your cpu, on the other hand, can address four times as many dimm slots than mine and twice as many as a dual-channel quad rank cpu therefore you're using the octa rank cpu unoptimally using with four channels and four ranks. Unless you do something about it, you're only reestablishing your sense of control. Even with Nvidia gpus, it would still occur however you would like the blame to fall on AMD which is not the case in this particular example.

[Source], [Source]

I've not put blame on AMD in this particular subject. I'm tempted to shop around for 4x8GB DIMM's. Any recommendations just out of interest?
Quote:
Originally Posted by rdr09 View Post

so yours are not set like so. AB and HW Monitor (highest rdgs) arre very similar from my experience. Like i said, I make sure CCC is not running (Overdrive off) when using AB.

Fraps conflict with Mantle. not sure if it does still.

edit: My gpus run independently but, of course, we want them as close to 100%. Here is an example of AB rdg in a benchmark . . .


My usage is also similar between GPU's often. However those with "unified monitoring" don't realise the usage being reported is only coming from the top card. The usage is then emulated for the second card. It is also known that MSI, under any setting, uses predication algorithms to give a usage approximation on GCN based GPU's. I don't think AMD can resolve that, via software as it is due to the architecture. The usage readings on MSI is as close as we are going to get, wink.gif
Edited by BradleyW - 9/25/15 at 6:07am
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post #170 of 454
More stable than nvidia so *shrug*.
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