The AMD Mantle Thread

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Ryan Smith

The New Boss
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Oct 22, 2005
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But judging how reviews are done (NO NV CARD IN SIGHT) - not entirely baseless. What do you think?
I think you guys need to realize just how long it takes to put together these results. We're not under any kind of restriction from AMD - in fact I'd rather we were, as an NDA would have meant everyone would have gotten additional time to work on results before any articles were published. The lack of NV cards is solely because I (and presumably everyone else) is neck deep in testing, and comparing Mantle to Direct3D on AMD hardware is going to be the higher priority.
 

TreVader

Platinum Member
Oct 28, 2013
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Mantle is looking like it's going to give the crown back to the 290X, although for mGPU the 290X never lost the crown. 10-15% is easily enough to put the 780ti in its place.


I wonder what intel is thinking about this. The 4770k/4930K/4960X are no longer going to be great ideas if all you want to do is game. AMD processors are suddenly viable options, assuming Mantle really takes off (and I think it will).
 

bystander36

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Apr 1, 2013
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Mantle is looking like it's going to give the crown back to the 290X, although for mGPU the 290X never lost the crown. 10-15% is easily enough to put the 780ti in its place.


I wonder what intel is thinking about this. The 4770k/4930K/4960X are no longer going to be great ideas if all you want to do is game. AMD processors are suddenly viable options, assuming Mantle really takes off (and I think it will).
Until Mantle is in the majority of games, you cannot switch to a slow CPU and expect good results.

One game does not give the crown to a particular card, nor should it be the basis of building a PC, unless that is the only game you play.
 

TreVader

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Oct 28, 2013
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Until Mantle is in the majority of games, you cannot switch to a slow CPU and expect good results.

One game does not give the crown to a particular card, nor should it be the basis of building a PC, unless that is the only game you play.

Mantle is looking like it's going to give the crown back to the 290X, although for mGPU the 290X never lost the crown. 10-15% is easily enough to put the 780ti in its place.


I wonder what intel is thinking about this. The 4770k/4930K/4960X are no longer going to be great ideas if all you want to do is game. AMD processors are suddenly viable options, assuming Mantle really takes off (and I think it will).
People are going to want Mantle, and Devs are going to include it because it will help sell games to every person with a GCN GPU.
 

Abwx

Lifer
Apr 2, 2011
11,167
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So did you try Mantle at all? What are your results? Eh?

Wont take long before average users will give their numbers,
so far one of the first hardware.fr forum member that tried
a test got interesting results given his system...

Avec i5 750 et HD 7870, je passe de 17,5 fps à 36,5 fps

It s in french but i think it need no translation...
 

moonbogg

Lifer
Jan 8, 2011
10,637
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It gives a big boost to CPU performance when GPU headroom is present. That's a good thing. That said, I don't find myself tempted at this point.
 

VulgarDisplay

Diamond Member
Apr 3, 2009
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Just so everyone is aware:

A few important workarounds for people attempting to use Mantle in BF4.

Disable your IGP in Device Manager, and set BF4 launch options to 64bit only.

If you leave the IGP on the game will crash when you access the Options menu, and Mantle will not show up at all if you don't select 64bit from the launch options.
 

DarkKnightDude

Senior member
Mar 10, 2011
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Left is directX, right is Mantle from me in the BF4 test range.

No wonder the game feels way smoother, I wondered if it was a placebo effect.
 

Black Octagon

Golden Member
Dec 10, 2012
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All this testing sounds time consuming...

Hope reviewers are willing to go through the pain again once this driver moves beyond the Beta stage and starts properly supporting HD7000 cards
 

ICDP

Senior member
Nov 15, 2012
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Arkadrel

Diamond Member
Oct 19, 2010
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http://www.computerbase.de/artikel/grafikkarten/2014/erste-eindruecke-zu-amds-mantle/2/

Try that one, it includes BF4 SP and MP results as well as Star Swarm results. Multiple cards tested from AMD and Nvidia.

Single Player = ~14% increase at 1080p with i7 4770k. 28% increase in MP with the same PC.


Nice Computerbase.de actually compair the 290x with the 780ti.
And they even use a "common" cpu, like a i7-4770k.

In single player the 290x they have is 1% faster, than the 780ti.
In multi player the 290x is ~20% faster, than the 780ti.



They also keep the 290x, and run the tests at varius CPU speeds (single player) and Mantle is always faster than DirectX for them.


They have (for a i7-4770k):
2.0 ghz 3 cores (no HTT) (mantle) > 4.4 ghz 4 core + HTT (directX)

Mantle makes a huge differnce.
 

biostud

Lifer
Feb 27, 2003
18,393
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My results on test range

Mantle:
Frame time 9,93
CPU frame 9,92
GPU frame 19,14

d3d:
Frame time 10,11
CPU frame 10,1
GPU frame 19,47


Since Mantle is not yet optimized for 79xx or CF on these cards I'll just stick to D3D and enjoy better frame pacing, until the drivers get updated.
 
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f1sherman

Platinum Member
Apr 5, 2011
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Well I like it, performance wise. As the proof of concept - Mantle does it's job remarkably. It's really the landscape changer.

The bad thing about it... out of hundred or so games I own, it works in one single game.

So how about incorporating Mantle in EVERY new game?
Or how about building renderers for existing games, especially for so called CPU pigs?

Q/A wise... AMD needs an army of new software engineers - years ago!
Who ever says that AMD and NV drivers are of similar QA level is out of his mind.

Hire new soft. engineers, Q/A... clean up, build Mantle in more games, maintain, clean up, more Q/A... and AMD has itself a clear winner.
Granted, that assumes that NV/Intel decide to sit aimlessly, and AMD comes up with acceptable cost to benefit ratio.
 

ICDP

Senior member
Nov 15, 2012
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Mantle is going to be released in more games and I hope other developers see the potential here. My opinion is that Nvidia should adopt Mantle and then all games will have it.

Hopefully AMD are not bullshitting when they claim Mantle will eventually be available as open source.
 

biostud

Lifer
Feb 27, 2003
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SiliconWars

Platinum Member
Dec 29, 2012
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Nice Computerbase.de actually compair the 290x with the 780ti.
And they even use a "common" cpu, like a i7-4770k.

In single player the 290x they have is 1% faster, than the 780ti.
In multi player the 290x is ~20% faster, than the 780ti.



They also keep the 290x, and run the tests at varius CPU speeds (single player) and Mantle is always faster than DirectX for them.


They have (for a i7-4770k):
2.0 ghz 3 cores (no HTT) (mantle) > 4.4 ghz 4 core + HTT (directX)

Mantle makes a huge differnce.

SP is basically completely GPU bound. I dunno how AMD manages it so often but they couldn't have picked a worse game to showcase Mantle with. Obviously they didn't know this would be the case, but still.

The scaling is near perfectly in line with what we know about each card. 290X ~30% faster than the 280X which is ~20% faster than the 270X etc. Nvidia appears to have squeezed a few more percent out of their DX drivers and that's why the Ti has a 13% lead instead of say 6% or 7%, and why the 770 is 7% ahead of the 280X (in DX).

At the lower end 260X, 270X the improvements are basically non-existent, which imo is pretty solid evidence that there hasn't been a lot done on GPU optimization.
 

scabzy

Junior Member
Feb 2, 2014
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hardware.fr explained why some results shows nvidia 780 oc doing better than 290x, apparently there is an fps limit 780 oc around 100fps, 290x mantle around 85 fps and 70fps limit on D3D.
so thats why you will see backward result at high end, when they reach the fps limit you get nvidia a head because 290x cant go over 70 on d3d or 85 on mantle, which will need a patch to lift the fps limit for more accurate results for high end.

http://forum.hardware.fr/hfr/Hardware/hfr/mantle-arrive-patch-sujet_950605_9.htm#t9039380
 

SiliconWars

Platinum Member
Dec 29, 2012
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The bad thing about it... out of hundred or so games I own, it works in one single game.

So how about incorporating Mantle in EVERY new game?
Or how about building renderers for existing games, especially for so called CPU pigs?

Q/A wise... AMD needs an army of new software engineers - years ago!
Who ever says that AMD and NV drivers are of similar QA level is out of his mind.

Hire new soft. engineers, Q/A... clean up, build Mantle in more games, maintain, clean up, more Q/A... and AMD has itself a clear winner.
Granted, that assumes that NV/Intel decide to sit aimlessly, and AMD comes up with acceptable cost to benefit ratio.

The cost to benefit ratio is so massively in AMD's favour that they basically will be doing everything you have suggested here to ensure Mantle becomes what you want it to be.

AMD is a multi-billion dollar company, any single game can be ported to Mantle for a few hundred thousand dollars. Let's be generous and say a million bucks a game to implement Mantle in the top 20 games this year then the top 50 games next year.

$70 million bucks in 2 years for what is basically guaranteeing them the top position in gaming? $70 million isn't even a single GPU design yet their entire stack would be worth at least 10% performance and probably hitting nearer 50% in some games just from Mantle optimizations.

They *have* to do this. If they don't push Mantle with everything they've got then they've just basically given up and are beyond hope.
 
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jpiniero

Lifer
Oct 1, 2010
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If you look at the Star Swarm result, the 770 and 780 Ti is faster using DirectX (suggesting that nv's driver handles the issue better) but Mantle more than makes up for it.
 
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