Poor FPS / Performance difficulties

Msportdan · Sep 2, 2015

So after weeks of pretty much playing AC with the new update. I put on GSC, I was looking forward to it long time away and I thought it will be a blast...long time away and all that?!

errr.... maybe not

I was disappointed with it it felt so lacking performance wise so to speak.. I don't want to get bashed here as I'm just trying to be honest and I will be, you all know me by now.

The gfx, which really suffers and not only that I cant sustain 60 fps with this game on full whack, replays can drop to around 20fps on my i7 gtx 970. Theres glitches around tracks etc etc/// Its a little disheartening after running pcars and ac at full whack solid 60fps. The ai have issues and its plain to see. Its just this engine has been flogged to death and reiza have should be proud by it .

The thing for me is that on high shadows (unlike rf2), the shadows dont go on/inside the cars, and sometimes looks very unauthentic/flat. Max shadows kills my fps in shadows heavy tracks/time..

I'm so sorry guys.. I love your work, but I think we need to move on technologically speaking.

Spinelli · Sep 18, 2015

No idea. What I do know is that even in "vanilla" RF1, with 1 car, there is 1 particular drop spot at Toban Short (the left, right, left section starting at the bottom of the steep downhill). Even when I'm playing at 200 or 300 fps, that exact spot/camera (durIng TV/trackside cam use) always has very large frame-drops, even in the day, even with only 1 car. So basically there are particular spots in many tracks that have relatively large frame drops.

Oh, and this is besides the point but, if I recall correctly, TV/trackside cam generally has quite a bit lower framerates, as a whole, then cockpit/onboard views. I think that's just natural though.

muzarati · Sep 19, 2015

roby13 said:
dan, with vsync always enable tripple buffering too

This did it for me

I enabled this and wow what a difference! Solid 60FPS doesn't budge, thanks for the tip

Ooops.. scratch that...just realized I had forgotten I turned shadows done to high last time I played

...having said that, it did take me a bit notice so maybe it is only high shadows for now?

JorritVD · Sep 19, 2015

I have fps drops when using the mirrors. Is there a possibility or fix that you can only use virtual mirrors. When I use virtual mirrors now, the 'real mirrors' also work, and causes heavy fps drops.

Gringo · Sep 19, 2015

@JorritVD

Try this mirror.bmp... remove the .png after you download.

Copy the file to the "GameData\Vehicles\" folder.

You may notice some distortion in the image on some cars more than others, but the performance should improve.

Ho3n3r · Sep 19, 2015

Msportdan said:
when windows 10 released publicly-
reinstalled gsc few weeks ago-

so have you guys checked this or just PRESUMED Im talking crap?

Well duh.

Settings:

For some reason the screenshot doesn't save the Fraps FPS, but it was about 220 on Interlagos, full Stock Car Grid. No editing of mirror files or anything.

Msportdan · Sep 19, 2015

explains it all.

thanks for the input?!

Spinelli · Sep 19, 2015

I can also achieve 200 or 300 fps at times, and I'd think so could Dan and many others. There are particular, seemingly disproportionatley heavy drop-spots when using TV/trackside cam though.

Ho3n3r · Sep 19, 2015

Spinelli said:
I can also achieve 200 or 300 fps at times, and I'd think so could Dan and many others. There are particular, seemingly disproportionatley heavy drop-spots when using TV/trackside cam though.

Haven't noticed it myself, and I've done some races up to an hour which I've fully watched back. It could be related to only some tracks though, because I haven't raced on every circuit yet.

muzarati · Sep 19, 2015

Ho3n3r said:
Haven't noticed it myself, and I've done some races up to an hour which I've fully watched back. It could be related to only some tracks though, because I haven't raced on every circuit yet.

try the Superv8 at Montreal modern at T6 (I think?) or at Bathurst from the dipper down to Forest elbow. Stock Cars run fine for me too

Spinelli · Sep 21, 2015

Ho3n3r said:
Haven't noticed it myself, and I've done some races up to an hour which I've fully watched back. It could be related to only some tracks though, because I haven't raced on every circuit yet.

Check my benchmark

RaceMan763 · Sep 21, 2015

The shadows in this game run on the CPU not the GPU, so the framerate difference between shadows high/max (only on max do shadows affect the cars) can vary wildy depending on

a) the amount of shadows falling on the track and thus the cars
b) the amount of cars currently being rendered and in the race total
c) the race situation (for example the amount of CPU load in first laps & sharp corners) since the CPU also has to run AI and physics

I have an i7-2600K and a GTX970 and can blow up all the details as much as I want, adding DSR, whatever - not a problem. But shadows from high to max and up on the hill in Bathurst with the sharp dipping corners and trees throwing shadows on the line of cars the game starts chugging at 30-50 FPS.

Msportdan · Sep 21, 2015

just throwing this out there,

But has anyone tried turning off the steam overlay with gsc and see if that effects fps with max shadows ?

muzarati · Sep 21, 2015

RaceMan763 said:
The shadows in this game run on the CPU not the GPU....

There does seem to be some debate on this though from what I've read on the net? Be good if someone from @Reiza Studios could confirm or deny this? Was tossing up whether to upgrade my video card or not, but it seems that won't help?
At least now I know it's a global problem I guess?

roby13 · Sep 22, 2015

afaik shadows are handled from the cpu

Spinelli · Sep 23, 2015

I kinda forgot where we were at...Are there any benchmarks/tests you'd like me to do?

Msportdan · Sep 23, 2015

i think @RaceMan763 summed it up.

muzarati · Sep 23, 2015

It's a bug with the SuperV8, a LOD issue maybe. It's the only car that has a problem with shadows or WTF?

Msportdan · Sep 23, 2015

have you tried the Vees?

i must admit i tried the 2014 stock and the fps, whilst did drop wasnt as dramatic, As the Sv8 and vees. I think its a LOd issue and the shadows being cast on the cars.

RaceMan763 · Sep 23, 2015

Ok, while I still stand by my general statement about max and high shadows, I have to agree something funky is going on with the SuperV8s. Did some tests on Bathurst, 20 cars, all settings max except Shadow Blur off, driving behind field.

Numbers are: Stock Car / SuperV8 / 10 SuperV8s

On the straight after turn 1: 250 / 200 / 270
In the righthander turning uphill: 200 / 70 / 200
Sharp left immediately after: 150 / 60 / 160
The two fast lefthanders up on the hill: 250 / 80 / 280
First sharp dipping lefthander in the downhill section: 120 / 50 / 95
Sharp dipping lefthander before the long straight: 150 / 50 / 100

Example:
http://i.imgur.com/Mkot6ji.jpg
http://i.imgur.com/l0pJSOC.jpg
FPS Counter is rather small, upper left corner.

This kinda makes me want to turn on max shadows again and not drive the SuperV8s