Hi, hoping I can get some good tips on tweaking my setup to maximize SLI performance for both benchmarks and gaming. I do understand the current state of SLI, but obviously quite a few people have figured out how to manipulate some settings to have great in game and benchmark improvements. I have been researching some things I can do, but am unsuccessful.

My setup is:
AsRock z270 Taichi
7700k @5.1 w/4.7 cache
1.404 max vcore under AVX, AVX offset is 0
3600mhz 1.38 16, 18, 18, 36, 2t
Samsung 950 EVO PRO 500gb
EVGA FTW 2 1080
EVGA FTW 1080

Before I got the FTW 2, my FTW would do 2150/5800 no problem. Now, with both of them, I can barely manage +90/0.

Firestrike score is 23292
Superposition 1080p extreme 8531
Timeapy won't complete
Catzilla doesn't seem to use both cards
Doom 2016, no increase
BF1, no increase

NVCP is set to max performance, Vsync off, power mode is prefer max perf

W10 power plan is PCIe link state off, power savers all on, max CPU 100%, min CPU 0%

My clock is 100% stable w/a fresh Conductonaut delid.

GPU temps, are kinda high, #1 hits mid 70s, #2 never goes over 62. I haven't quite figures out how to build a power/fan curve in MSI AB.

I know this is a lot, but I'm hoping someone who's walked this road can give me some solid info.

Thank you.

Are you using the new high bandwidth SLI bridge? That actually does help with Pascal.
 
Superposition doesn't use SLI at the moment, unless you mod your Nvidia profile - http://www.overclock.net/t/1627726/unigine-superposition-benchmark-now-available-for-download/230#post_26038574
 
For Doom, likely Vulkan still doesn't support SLI still, yet OpenGL does.
 
Your GPU temps are awesome for air cooled cards in SLI. Mid 70C on the top card? That's really good.
 
Here's a guide for using the frequency / voltage curve overclocking that Pascal can use - http://www.guru3d.com/articles-pages/geforce-gtx-1080-overclocking-guide-with-afterburner-4-3,2.html 
 
And I agree with Sajin - do you have Vsync or Gsync turned on? Turn them off and run Firestrike again.

arestavo
http://www.overclock.net/t/1627726/unigine-superposition-benchmark-now-available-for-download/230#post_26038574

He/she didn't even mention my name. lol.

Lol, you're scary good.

Yeah, so I can't figure it out. In NVCP I have Vsync set to off. I can't figure out anywhere else where this might be. Maybe Precision XOC? I have a freesync, AOC AGON 27" 144hz qhd.

That really. Sucks that the FTW 2 is slower than the FTW. :(

I don't recall an error. I'll have to look.

james7679
Wow, that's jacked up @sajin, did they rip off your work?

Kinda. It's a direct copy from my post.

It crashes in random areas. Sometimes it won't load, sometimes it crashes in the demo, sometimes in the tests.

james7679
Lol, you're scary good.

Yeah, so I can't figure it out. In NVCP I have Vsync set to off. I can't figure out anywhere else where this might be. Maybe Precision XOC? I have a freesync, AOC AGON 27" 144hz qhd.

That really. Sucks that the FTW 2 is slower than the FTW. :(

I don't recall an error. I'll have to look.

Do you have vertical sync disabled globally inside the nvidia control panel? Yes, make sure precision xoc has its frame rate limiter disabled. Have you messed with your 3dmark sli profile using nvidia inspector?

Sajin

james7679
Lol, you're scary good.

Yeah, so I can't figure it out. In NVCP I have Vsync set to off. I can't figure out anywhere else where this might be. Maybe Precision XOC? I have a freesync, AOC AGON 27" 144hz qhd.

That really. Sucks that the FTW 2 is slower than the FTW. :(

I don't recall an error. I'll have to look.

Do you have vertical sync disabled globally inside the nvidia control panel? Yes, make sure precision xoc has its frame rate limiter disabled. Have you messed with your 3dmark sli profile using nvidia inspector?

Vsync is set to off, globally.

I'll check PxOC.

Funny thing with Nvidia inspector, the profile inspector will not run for me. When NvIn loads, I click on the symbol next to the driver version and I get a thinking wheel for a few seconds and it doesn't load. The standalone profile inspector won't load either. I have tried multiple downloads, different versions, different locations, clean driver install; it won't run on my system. Bitdefender blocking?

Sajin
Sounds like your cpu overclock is causing apps to not load correctly. When doing a clean install of the drivers did you use ddu?

I'll try stock clocks.

No ddu.

I'll dl and try again.

james7679
My error is DXGI call IDXGIFactory2::CreateSwapChainForHwnf failed (142213121)

https://steamcommunity.co.../0/154644928860337702/

Sajin

james7679
My error is DXGI call IDXGIFactory2::CreateSwapChainForHwnf failed (142213121)

https://steamcommunity.co.../0/154644928860337702/

Update, disabled Shadow play and the bench ran full stop. Re-enableing OC and SLI to retest.

Sajin

james7679

Sajin

james7679
My error is DXGI call IDXGIFactory2::CreateSwapChainForHwnf failed (142213121)

https://steamcommunity.co.../0/154644928860337702/

Update, disabled Shadow play and the bench ran full stop. Re-enableing OC and SLI to retest.

12653, w/ stock gpu clocks.

Okay, that seems to be resolved. Now, why can't I run Nvidia Inspector properly? Do I need to? Will it help me make custom profiles for my games?

Sajin
You don't need to run nvidia inspector. I was just wondering if you used it to tweak any of your profiles.

No, but could it be helpful? I mean, there is obviously a way to force and refine SLI. How are all the pros doing it?

Sajin

james7679
How are all the pros doing it?

By using nvidia inspector. 

Yeah, see.

Can you teach me how to use it if I can make it run?

Any errors listed inside the windows event viewer showing that the nvidia inspector profiler failed to load?