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AMD MANTLE Discussion Thread - Page 184

post #1831 of 2769
Quote:
Originally Posted by 7stars View Post

Quote:
Originally Posted by xutnubu View Post

He's using a 7870XT = Tahiti. Mine is Pitcairn.
ok, confirm... issues with Pitcairn ...
my Vram usage with Render.DrawScreenInfo is always higher than 2048MB... in the last run it was 2109+/2048

I've just played a couple of rounds, all Ultra, no MSAA and textures on Medium. Around 1600MB RAM. No major problems.

Give it a try.
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post #1832 of 2769
Quote:
Originally Posted by xutnubu View Post

I've just played a couple of rounds, all Ultra, no MSAA and textures on Medium. Around 1600MB RAM. No major problems.

Give it a try.
the problem on my system is the presence of more than one card and a mix of graphics settings... and lack of optimization for sure wink.gif
At 1080p, job threads remains 4 (why? is it correct?)
crossfire disabled: it oddly stutters every 2 seconds even if the buffer doesn't fill much, unplayable (it seems selecting the 2nd GPU with incorrect voltage instead of the first)

2nd gpu disabled by device manager: it depends by the graphics settings, not comparable with D3D11 which manages the same settings in single or crossfire with no apparent issues...
that is, if with Mantle i enable MSAA and use ultra textures ...there is a vram leak (not in D3D)
if enable MSAA, then disable it... ingame is not possible 'cause the buffer remains higher than 2048MB, i have to restart the game
so, with one GPU only is playable with textures high and MSAA OFF = D3D > Mantle

crossfire enabled: even here it depends by the graphics settings, can't enable MSAA and ultra textures
so definitely there is a problem about their tests (if they ever made ​​on these cards)... and Vram usage AND above all multigpu on the system....
Edited by 7stars - 2/25/14 at 6:02pm
post #1833 of 2769
Quote:
Originally Posted by By-Tor View Post

I'll give it a try

thank you

Update: Didn't help, still getting the same white screen with that error. Heading back to 13.12 drivers...

same here. but before i applied mantle i played using dx11 and it was beautiful as before. now, i can't go back in and change it back to dx11. i will have to install 13.11, then back to the latest beta. not for mantle, though, but 'cause it lifted my benchmarks.biggrin.gif

i'll stick to dx11 for ahwile.redface.gif
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post #1834 of 2769
Quote:
Originally Posted by rdr09 View Post

same here. but before i applied mantle i played using dx11 and it was beautiful as before. now, i can't go back in and change it back to dx11. i will have to install 13.11, then back to the latest beta. not for mantle, though, but 'cause it lifted my benchmarks.biggrin.gif

i'll stick to dx11 for ahwile.redface.gif

I just did 3 clean installs and they all did the same thing. 14.2= Epic Fail...
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post #1835 of 2769
Quote:
Originally Posted by By-Tor View Post

I just did 3 clean installs and they all did the same thing. 14.2= Epic Fail...

just when using mantle, which I don't really need. I want it but I can do without.

my hdd is mirrored, so that minimizes the BF4 downtime.
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post #1836 of 2769
Quote:
Originally Posted by rdr09 View Post


same here. but before i applied mantle i played using dx11 and it was beautiful as before. now, i can't go back in and change it back to dx11. i will have to install 13.11, then back to the latest beta. not for mantle, though, but 'cause it lifted my benchmarks.biggrin.gif

i'll stick to dx11 for ahwile.redface.gif

When you can't get BF4 Mantle to load and want to switch back to DX11.

Go to My Documents>Battlefield 4>settings and open PROFSAVE_profile with WordPad and edit the line

 

GstRender.MantleEnabled 0   (1 is true, 0 is false)

 

 

Now you can stay on the new Driver and test Mantle in your own time, and if you get stuck, then manually change it back to load DX11 by default.


Edited by quakermaas - 2/25/14 at 11:03pm
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post #1837 of 2769
DO NOT ALT TAB IN BF4 ONCE YOU START IN MANTLE API!

You will experience fps cut in half, or even 2/3x!

Don't change settings or go alt tab once you start, and you will have brilliant experience! thumb.gif
Edited by psyside - 2/25/14 at 11:43pm
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post #1838 of 2769
Quote:
Originally Posted by psyside View Post

DO NOT ALT TAB IN BF4 ONCE YOU START IN MANTLE API!

You will experience fps cut in half, or even 2/3x!

Don't change settings or go alt tab once you start, and you will have brilliant experience! thumb.gif

 

I have no problems with Alt & Enter when using Mantle, if that's what you mean.  (just saying, Mantle seems to work different for every single user)


Edited by quakermaas - 2/26/14 at 1:26am
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post #1839 of 2769
Quote:
Originally Posted by quakermaas View Post

I have no problems with Alt & Enter when using Mantle, if that's what you mean.  (just saying, Mantle seems to work different for every single user)

alt tabbing does increase the amount of memory used so if hes maxing his settings alt tab will give him performance loss.
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post #1840 of 2769
Quote:
Originally Posted by quakermaas View Post

I have no problems with Alt & Enter when using Mantle, if that's what you mean.  (just saying, Mantle seems to work different for every single user)
same, i alt-tab all the time for pandora and no issues.
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