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[PCPer] Frame Rating: GeForce GTX Titan, GeForce GTX 690, Radeon HD 7990 (HD 7970 CrossFire) - Page 10

post #91 of 297
Quote:
Originally Posted by TheBlademaster01 View Post

However, you're using Fraps right? How can you meassure runt frames?

You can use fraps ... BUT to be accurate
you need to find the sweet spot for your (x)game as i have said before... If you are using tools like radeonpro for example..



vsync in some instances would mess up the game so radeonpro is a must cap/dynamic
Edited by zGunBLADEz - 3/30/13 at 6:05pm
post #92 of 297
The only thing this has shown me is that multi-gpu is still a joke for both AMD and Nvidia.
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post #93 of 297
They are talking about actually rendered frames, you see only Present function calls right? Didn't AMD state that this is not the way to check latency and frametimes/variance?

What do you mean by sweet spot?
post #94 of 297
Quote:
Originally Posted by TheBlademaster01 View Post

They are talking about actually rendered frames, you see only Present function calls right? Didn't AMD state that this is not the way to check latency and frametimes/variance?

What do you mean by sweet spot?

If you know how to do it right.. Fraps is going to show you the same graph as fcat and their capture card.

Finding the sweet spot is different game to game..

Like for example if you want the most performance with no input lag you use a framecap at a cost of screen tearing.. Or you can try radeonpro dynamic vsync... This would take care of you...

If the game is a lil bit problematic cap the frames..

Lets say hitman without vsync and the benchmarks lets say it hovers @ 80 frames on 2x7970's...
You cap the game @ 70 frames.... So your card dont go all crazy.....

Most people cap their game at their refresh rate like lets say straight 60 or 59.

But it depends...
Edited by zGunBLADEz - 3/30/13 at 6:18pm
post #95 of 297
Quote:
Originally Posted by zGunBLADEz View Post

If you know how to do it right.. Fraps is going to show you the same graph as fcat and their capture card.

It's not though is it? What you've done is lock the frame rate to monitor refresh rate, you've asked your GPU you discard any frames that do not fit in that sequence. It's got nothing to do with 'doing it right', you've artificially limited output timing and your GPU isn't going to be under full load.

Once you remove that cap or limit, your GPU starts throwing frames left right and centre which results in runt frames and microstutter. There is a world of difference in artificially capping your output and letting the GPU stretch it's legs.

Not everyone wants to use vsync, or Radeon Pro. Do you not feel that we're going round and round in circles here a bit?
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post #96 of 297
Quote:
Originally Posted by zGunBLADEz View Post

If you know how to do it right.. Fraps is going to show you the same graph as fcat and their capture card.

Fcat samples the output while fraps samples Present function calls before the actual rendering job. How is that the same? Also, you can't detect runt frames which is what PCPer displays in their observed graph when he bashes Radeon scaling. Not that any regular consumer has the tools for this, but that is basically the problem as I understand it.
post #97 of 297
Quote:
Originally Posted by Kane2207 View Post

It's not though is it? What you've done is lock the frame rate to monitor refresh rate, you've asked your GPU you discard any frames that do not fit in that sequence. It's got noting to do with 'doing it right', you've artificially limited and your GPU isn't going to be under full load.

Once you remove that cap or limit, your GPU starts throwing frames left right and centre which results in runt frames and microstutter. There is a world of difference in artificially capping your output and letting the GPU stretch it's legs.

Not everyone wants to use vsync, or Radeon Pro. Do you not feel that we're going round and round in circles here a bit?

You dont need vsync at all to cap frames and to control stuttering...
Like me getting 100 fps on bf3 not that i need them but is possible no vsync..

Give me a good reason to just let the card go berzerk? Not only you get worst avg you get worst min avg as well...
post #98 of 297
Quote:
Originally Posted by zGunBLADEz View Post

Its cool bro im not mad we are just talking seriously...
That was just an expression..

I apologize if i went to far...
Secretly, we all want both sides to win, because then we, the consumers win. thumb.gif
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post #99 of 297
Quote:
Originally Posted by TheBlademaster01 View Post

Fcat samples the output while fraps samples Present function calls before the actual rendering job. How is that the same? Also, you can't detect runt frames which is what PCPer displays in their observed graph when he bashes Radeon scaling. Not that any regular consumer has the tools for this, but that is basically the problem as I understand it.
Quote:
Originally Posted by TheBlademaster01 View Post

Fcat samples the output while fraps samples Present function calls before the actual rendering job. How is that the same? Also, you can't detect runt frames which is what PCPer displays in their observed graph when he bashes Radeon scaling. Not that any regular consumer has the tools for this, but that is basically the problem as I understand it.


This are vsynced..

Fraps


FCAT


Do you notice any difference in the graph? other than the 2x7970 setup displaying 20 frame avg>>?

Which i still think the tool needs work because animation perception alone would tell you otherwise.
post #100 of 297
Quote:
Originally Posted by TheBlindDeafMute View Post

Secretly, we all want both sides to win, because then we, the consumers win. thumb.gif

yes sir.. Hopefully this would lead to perfect scaling one of this days..
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