Nvidia Shadowplay - Question

[VincentHanna]

Simple one really.

I used it a few times to record some commentary videos at 4k, but it seemed to impact performance quite badly.

For instance, Dying Light was 35-50fps whilst recording and 60-90fps with it disabled.

Is that just because I was recording?

OR

Does it actually have performance impact as soon as it's enabled? I only realised I left it on because I had a green FPS counter in the corner whilst watching a movie.

 

[Klunt Bumskrint]

Only impacts when recording.

 

[Tonester0011]

Should only have an impact when recording. Even that should be fairly minor.

 

[Disco_P]

It'll only have an impact whilst recording - however having shadow mode on means that it is recording in every game.

I would love it if I could set shadow mode and manual mode on a per game basis.

 

[VincentHanna]

It wasn't set to auto record

 

[yashiro]

Are you running SLI?

 

[VincentHanna]

Yes

2x TitanX

 

[pgi947]

Not sure if it was ever fixed but from what I remember...

Single card, shadowplay recording, performance hit sub 5%.

Multi card, shadowplay recording, performance hit in excess of 20%

Shadowplay was broken with sli for a while, as I said though, not sure if this is still the case or if it's as bad as it once was.

 

[VincentHanna]

It was certainly a big hit.

Sort of makes the videos a bit pointless if they were supposed to show how games perform with Titan X SLI

 

[Rroff]

You need an external capture card if you want to record video for performance reasons.

4K + SLI + other bottlenecks if present like busy system bus, slow capture media, etc. can have a far bigger hit than at lower resolutions.

 

[yashiro]

Yeah, Shadowplay has traditionally had problems in SLI. No idea if they ever acknowledged it. Try the latest GTA driver it's supposed to have improvements for your very issue.