hardocpDX11 vs DX12 AMD CPU Scaling and Gaming Framerate

[myocardia]

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[lyssword]

ok i did some actual testing.......

setup:
3770K @ 4.3ghz R290 @1000/1250
lowest possible settings in game, windowed 1264x985

1 core with HT
Average FPS: 28.1
Aveage CPU FPS: 28.1
GPU bound normal 0.0%
GPU bound medium 0.0%
GPU bound heavy 0.1%

2 core with HT
Average FPS: 57.0
Aveage CPU FPS: 57.4
GPU bound normal 5.4%
GPU bound medium 0.1%
GPU bound heavy 0.4%


3 core with HT
Average FPS: 69.5
Aveage CPU FPS: 73.1
GPU bound normal 12.2%
GPU bound medium 12.3%
GPU bound heavy 21.7%


4 core with HT
Average FPS: 74.4
Aveage CPU FPS: 85.8
GPU bound normal 16.7%
GPU bound medium 39.6%
GPU bound heavy 64.5%



game doesn't scale with cores my.............
Next up, ill run with a bigger OC on the GPU, i expect CPU frame times to increase, will be interesting to so just how big ( if at all) an effect GPU frame time has on CPU frame time.


edit: tested @ 1100 and 1150mhz on GPU no difference to CPU FPS but GPU bound on medium and heavy batches did go down almost linear with GPU clock. Increasing memory OC from 1866 to 2133 saw an increase from 85.4 to 89.2 with 4 cores. I'll have to go back and test to see if its an improvement in latency or if im memory throughput bound by testing lower core counts, but given the low scaling ( 15% memory increase for a 5% perf increase) im guessing its from improved latency.

Thx for testing, great work, the tests I've seen probably didn't use "real world".

 

[itsmydamnation]

You needed to duplicate a dual core, though. 1 core with HT is not like a dual core. You needed to do 2 cores without HT I think?

Yeah i CBF rebooting 8 times...lol I have a feeling this game doesn't benefit much from HT. HT requires bubbles/stalls in execution. Being a well threaded job based system, it likely doesn't occur that often. If i get time tonight i will try 2 core's without HT.

Thx for testing, great work, the tests I've seen probably didn't use "real world".

My tests aren't real world they are just methodical with a known target of what i want to test(cpu core scaling). How i normally run the game i am GPU bound across all batch types almost 100% of the time. that gives me around 45fps.