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AMD CrossFireX Problems


Loz

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After Update to 1.5.0.45655.49 you can no longer enter full-screen mode with <LAlt><Enter> and selecting Full Screen in the options also does not yet work, although if you set it, the program will restart itself as if it were activating a major graphics change.

 

So, currently no way to test anything to do with Crossfire at the moment.

 

If you have changed your AMD drivers recently, check that you've enabled CrossfireX for Applications without a profile. (As per note 2 in first post of this thread)

 

A mistake that I made :music_whistling:

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An old pilot is one who remembers when flying was dangerous and sex was safe.

 

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annoyed.gif Thank you Loz, that was the issue .... sigh.gif

 

I thought the setting was referring to the Gaming - 3D Application Settings, in other words, for programs without a 3D App Settings profile, and not the Crossfire Mode, because I created a 3D Application Setting for the DCS.exe, and in the App Setting you can choose to disable Crossfire in the App Setting.

 

So having a separate Crossfire setting in a different location, which must be coordinated with the App Setting for the App Setting to work is not only as useful as a goitre, but misleading on top of it

Angry.gif

I don't know whether to just remain pissed off at AMD or to resign to the situation, sell my graphics card--at a substantial loss--and buy an f-cking good Nvidia card.

When you hit the wrong button on take-off

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So playing with CF for awhile it seems I'm only getting 5fps or so more than single card. Watching my GPU usage, most times it hovers around 40-50% while in CF, while it's around 80-90% in single card mode.

 

This is with 3 screen mode as the GUI setting is messed up. Hopefully it's better with a single viewport rendering when that gets worked out.


Edited by DayGlow

"It takes a big man to admit he is wrong...I'm not a big man" Chevy Chase, Fletch Lives

 

5800X3D - 64gb ram - RTX3080 - Windows 11

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I'm still getting stuttering in CF even after turning off model visibility. :(

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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I'm still getting stuttering in CF even after turning off model visibility. :(

 

Is that the full on stutter where it almost freezes between frames (which is what I get with model visibility ON) or the micro stutter. If it's the later I still get that.

i9 9900x at 5.1 Ghz // ASUS ROG Maximus XI Formula EK Bloc // 64Gb Corsair Vengence 3600Mhz DDR4 Ram // Gigabyte Aorus 3090 Watercooled block//Samsung SM951 M2 x4 SSD // Windows 10 64 Bit //48inch LG48 @ 3840x2160 120Hz//Asus ROG Swift PG35VQ 3440 x 14440 144Hz // TM Warthog HOTAS (Ser. No. 00836) //MFG Crosswind Pedals // TrackIR 5 //Varjo Aero

 

An old pilot is one who remembers when flying was dangerous and sex was safe.

 

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Not 100% sure about this but I guess I noticed on my system (2 x R290x) that clockspeeds of both cards have to match exactly to avoid microstutters.

It was more or less a lucky shot but during my experiments with all kind of combinations I reactivated the good old RadeonPro Tool to inject the gpu clockspeed, fps, vram usage , test different vsync settings and so on.

Because of this I noticed one card was overclocked and the second not.

I guess this was a fragment of an old game profile.

 

Not much time ATM but I did a short test yesterday with the last 1.5 build without RadeonPro and default CCC settings.

I use Eyefinity with 5880 x 10xx on triple 24" with AMD CF.

Ingame I used the default 1 Monitor setup with recommended settings from the first post.

Did a quickstart intercept mission with the F15 and noticed nothing special or in other words solid 60 FPS (I use vsync).

 

Maybe it's worth to check the clockspeed of the gpu's.

 

only my two cent

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Is that the full on stutter where it almost freezes between frames (which is what I get with model visibility ON) or the micro stutter. If it's the later I still get that.

 

Ahh thank you. Wasn't aware there were 2 kinds of stuttering. I'm still getting the micro-stutter like you. The Mega version seems to happen for me in the 1st few seconds of a mission and maybe once or twice for a couple of seconds every half hour or so. As I'm running on 5760x2160 I was putting it down to vram buffering. Its not a game killer for me. Cheers.

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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Ahh thank you. Wasn't aware there were 2 kinds of stuttering. I'm still getting the micro-stutter like you. The Mega version seems to happen for me in the 1st few seconds of a mission and maybe once or twice for a couple of seconds every half hour or so. As I'm running on 5760x2160 I was putting it down to vram buffering. Its not a game killer for me. Cheers.

 

What will be your fps with that resolution? Are your setting are low or med?

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What will be your fps with that resolution? Are your setting are low or med?

 

Its set on high with preload and clutter/bushes and tree distance at max and the 295x2 is getting between 65 and 90 fps depending on the terrain on screen. Occasional dip for a couple of seconds to 55 approx but nothing thats going to kill the feel.

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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Well i got the same card at low setting apart from texture and i don't even get close to that. There most be something wrong that i do.

 

Normal 4K resolutioni 3840 x 2160 55 fps average

I'm running Win 10 Pro and the latest 15.9.1 beta drivers. Could that be the difference? Also I spotted from your other post you were getting 45fps with a single GPU running. The scaling in Crossfire wont be double as you know but I'd really be expecting about 80fps.

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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No i have both runing according to my little knowledge and gpu z but with win 7. I am no expert but my ccc tell me that i have catalist 15.7 something and that it is current.

 

Checking for upgrades with Catalyst often doesn't give you any results. Its weird. If you want to try them heres a link to the latest betas http://support.amd.com/en-us/kb-articles/Pages/latest-catalyst-windows-beta.aspx

 

If you need to go back to the above heres the 15.7.1 http://www.guru3d.com/files-details/amd-catalyst-15-7-1-driver-download.html

 

If you haven't used it before Guru3d is great for getting info or older drivers when needed.

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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Thank you very much Juris that was my problem 15.7.1 was the culprit with 15.9.1 install everything maxed out at 3840 x 2160 no tearing no shutter but the model visibility off. Weird that ccc was telling me that my driver was up to date.

 

Out of curiosity what monitor you have to get a resolution of 5760x2160?


Edited by Decibel dB
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Thank you very much Juris that was my problem 15.7.1 was the culprit with 15.9.1 install everything maxed out at 3840 x 2160 no tearing no shutter but the model visibility off. Weird that ccc was telling me that my driver was up to date.

 

Out of curiosity what monitor you have to get a resolution of 5760x2160?

 

Glad to hear it worked for you and this is only 1.5. Roll on 2.0 and NTTR. It can only get better. Re the resolution its actually 6 monitors, 4x 2560x1440 and 2x 1920x1080 in a 3x2 configuration. Works out better for me for work than a single 4k and acts as a set of window blinds on sunny days :).

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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WOW I want to see pictures of your rig/ Are you aware if someone have official raise the model visibility bug?

 

Honestly not sure if the model visibility issue has been raised with the Devs yet.

 

Re the rig I'm over on the Elite Dangerous forum as Juris again. Heres a few shots of the rig. Some bits have been upgraded and the MFD's, keyboard and tablet etc raised to a more ergonomic angle since this was taken but its fundamentally the same. Its at post 663 https://forums.frontier.co.uk/showthread.php?t=19065&page=45&p=2228238&viewfull=1#post2228238

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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Full Screen Modes

 

I'm not sure if its just me, but I noticed something today. I opened 1.2.x and noticed the logo at the top left for crossfire was smaller than in DCS 1.5. Now this isn't a DCS thing because the logo is a AMD logo and not actually part of DCS. Then I was thinking well in DCS 1.2.x I'm not ever hitting LALT + Enter to enter Fullscreen mode, but the only reason for that logo appearing is to advise me I'm in fullscreen mode with Crossfire. In DCS 1.5 I have to hit the LALT + Enter to see the logo and enter Fullscreen Mode. So that's the issue, but there is more. If in DCS 1.2.x the reason it is smaller is because I'm actually in the resolution 1920x1080p, but in DCS 1.5 I'm not because the logo is larger. with that being said I believe that in DCS 1.5 the resolution set in options menu when entering fullscreen mode is not the resolution being used.

Screen_151024_005647.thumb.jpg.065239c4a5614c4a72d258fa213a9e4e.jpg

dcs1-5.thumb.JPG.867b337ef9468b738ef22f60b597d6f4.JPG

Screen_151024_011050.thumb.jpg.6621678929f2d11470e0e425a1a7462f.jpg

Thanks,
Lt. Commander Jason "Punisher" M

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sigh.gif I'm still getting lots of stutters in Crossfire and I have practically the same graphics card as you Juris.

 

I've noted in one of your posts that you haven't OC'ed your CPU. Have you OC'ed your R9-295X2?

 

Also, I'm using the 15.10 CCC. Should I think about going back to 15.9.1 stable release?

 

I know my CPU (i7-5820K@3.8GHz thru OC Genie) is not nearly as fast as your i7-4790K@4.4GHz, but EDGE was supposed to reduce CPU dependency, not increase it.

 

Any tips?

 

---

 

BTW, I run MSI AfterBurner to keep an eye on performance during flight and the overlay doesn't show the lags. But when I look at the log afterwards, I see a lot of times when FPS hits 0, especially when not away from the ground. Unfortunately the data written by AfterBurner is only im 1 second tact, so there could be a lot going on between each recorded point, which is getting lost.

When you hit the wrong button on take-off

hwl7xqL.gif

System Specs.

Spoiler
System board: MSI X670E ACE Memory: 64GB DDR5-6000 G.Skill Ripjaw System disk: Crucial P5 M.2 2TB
CPU: AMD Ryzen 7 7800X3D PSU: Corsair HX1200 PSU Monitor: ASUS MG279Q, 27"
CPU cooling: Noctua NH-D15S Graphics card: MSI RTX 3090Ti SuprimX VR: Oculus Rift CV1
 
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I am not sure if it applies but it may be worth to try as some other thread(s) have brought that topic up too and it seemed to help syncing in general...and stutter with such machines is not lack of ooomps but a not so well adjusted "underneath" for whatever reason.

 

I tested that setting despite I have no issues but it boosted Wn10 startup and general performance.

 

The thing is called HPET HighPrecisionEventTimer and there is a LOT to it, so you better read first, decide if it may apply...and then fumble with it on your machine.

 

The link to get some good info: http://forums.anandtech.com/showthread.php?t=2362109

 

 

As AMD CF works through PCI-E lanes, this may very well apply at the very core of the damn problem...maybe !

 

 

Bit

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Have you put your model visibility off?

 

Yes, I did. I can't say that I really notice a difference.

When you hit the wrong button on take-off

hwl7xqL.gif

System Specs.

Spoiler
System board: MSI X670E ACE Memory: 64GB DDR5-6000 G.Skill Ripjaw System disk: Crucial P5 M.2 2TB
CPU: AMD Ryzen 7 7800X3D PSU: Corsair HX1200 PSU Monitor: ASUS MG279Q, 27"
CPU cooling: Noctua NH-D15S Graphics card: MSI RTX 3090Ti SuprimX VR: Oculus Rift CV1
 
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