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Dasa

CPU\RAM Performance in Thief

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spent today playing with the thief benchmark seems its partially cpu limited with my 7970 but not totally as changing the clock speed still effects the performance unlike with arma

 

i ran each test twice in a row the first run preloads all the files which makes the second run faster and more consistent

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system wouldnt post at 1866 today and i forgot to run 1600 8-8-8

Edited by Dasa

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Im kinda surprised of the ram timings and speed and how it affected. Looks like @ 3.8ghz 11 to 9 gave you 3-4fps and 1600 to 2133 gave you another 4fps. That is a very healthy boost! The cpu up 500ghz didnt do but 2-3fps. Looks like the speed of ram really helps in this game a ton.

 

Yea I dont mess with my ram timing much since it is very picky at times but the speed is fine to adjust most of the time.

 

Very interesting run there man

Edited by gamble

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Interesting. I don't know enough about the game to say why it's so bandwidth dependent. It's UE3 DX11 right?

 

Heard there's a patch out that did something to memory performance, was this done before or after that?

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Interesting. I don't know enough about the game to say why it's so bandwidth dependent. It's UE3 DX11 right?

 

Heard there's a patch out that did something to memory performance, was this done before or after that?

i havent seen any updates in the last 24 hours since i ran the tests but i havent looked at steam for a few hours now

once the mantle update is out which should reduce this games cpu limitation for amd gpu users these gains will probably disappear

edit: there has been no updates released yet since running the test

 

i think you will see ram affect most games like this if they are cpu limited but most games are gpu limited

with the tests i ran on arma somebody else had a go

they gained 9% going from 1333 to 1600 on ASUS M5A97 R2.0 - AMD FX-8350 @ 4,2Ghz

but they only gained ~4% going from 1600-2400 on MSI X79A-GD65 - Intel Core i7 3820 @ 4,5Ghz

im surprised they even had 4% with quad channel ram

Edited by Dasa

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Yea anyone have feedback on mantle or a general consensus that someone has researched about it? I know there were a few issues but looks like it could be promising.

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there is a review of mantle performance in thief here http://translate.google.com/translate?dept...l/art51168.html

anything under 290x sees very little gain but maybe that is because 280x is borderline on gpu\cpu limitation

it sure does a good job of helping slower cpu catch up to faster ones

 

this review shows a improvement from 260x using a slower cpu to test a10-800

http://www.legitreviews.com/amd-mantle-tru...-thief_137644/2

Edited by Dasa

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Anandtech have theirs up, in a dualcore or slower quadcore situation it can help, at the high end it isn't much benefit. But it implies big improvements for AMD APU tech.

 

http://anandtech.com/show/7868/evaluating-...nd-mantle-thief

 

More interesting is the TrueAudio Tuscany demo on the second page, the spacial audio (with headphones) is really very impressive. I'd love games to have that precision to audio source, hoping it's going to be emulated in software and not exclusive.

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Whilst I acknowledge that Mantle is open for anyone to use, I can't see Nvidia and Intel rushing to change their architectures to fit around an AMD technology.

 

So that just leaves it as another API that increases cost for developers and one that has a fairly niche appeal. As mentioned here, it also realise diminishing returns with more powerful hardware. It is also less beneficial as resolution increases.

 

It's interesting technology but I'm hoping that DX12 makes it redundant by allowing programmers to code "closer to the metal".

 

But yeah, it's a nice little bump for those few people with the hardware and with those few games that use it.

Edited by Captain Awesome!

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