Wheres the bottleneck? 30fps. 30% GPU usage. !?

[malatzoc]

The bottleneck is the graphic engine of TS201x itself

bingo!

Not just the graphic engine, it's caused by the directx 9 too as with that, it's not possible make more than one render thread, that's why one thread and one cpu core, is limiting the whole game.

[BadWhippet]

My specs are in my signature (only thing not shown is my screen resolution which is 1650x1080) but my Train Simulator performance is pretty dire. I'm running 2x2 SLAA (anything lower and the overhead line rendering is just too horrid and flickery for me to play comfortably - as if all AA is dropped). My PC positively chugs on GEML (I've lowered my shadow details considerably) and I think I must get about 3fps in London Liverpool Street! It's pretty rubbish, really. I've just decided it is what it is, and live with it. I'm not sure what else I can do.

[gptech]

Sue, does your frame rate rise dramatically when you drop to 1x2 or 2x1 SSAA?
Do you have Procedural Flora, Adaptive Bloom, Depth of Field or Lens Flare enabled?
Have you tried down Down Sampling/Super Sampling? http://forums.uktrainsim.com/viewtopic. ... g#p1640735

[BadWhippet]

I'd never even heard of down-sampling before - I'm now reading about it, but have never tried it.

It transpires that I wasn't on 2x2 SSAA any longer (my game defaulted to "Highest" settings but the actual AA chosen by this default was FXAA + 8 x MSAA - which I think is lower than SSAA). These AA settings are still a bit above my head. But yes, all those other settings are "on" (bloom, lighting flare etc). I've read that light flare causes a slow-down - maybe I should try that too.

...Or get out and push the train!

[gptech]

all those other settings are "on" (bloom, lighting flare etc)

Procedural Flora in particular has been a frame rate 'killer' since RailSimulator, with those turned off I'm sure you'd see a fair improvement in FPS with very little impact on the visual quality. Nothing to lose by trying anyway!
What settings to use is always going to be a compromise between quality and performance, but as your system is (on paper) more powerful than mine I'd expect you to be able to get very good results with AA set at 1x2.

[markpullinger]

Hi, Depth of field and procedural Flora are my biggest FPS killers with procedural flora sometimes halving my frame rates.

[deltic009]

Yes Sue, if you turn off depth of field, procedural flora, adaptive bloom, lens flare and scale down the AA for a higher resolution down sampling I reckon you'll see your frame rates multiply many times over - I'd love your spec of machine and I can get consistent 30fps on all routes with all except the Voyager Advanced (scripting) down sampling from 2520x1575 to 1680x1050.

[BadWhippet]

Hi, Depth of field and procedural Flora are my biggest FPS killers with procedural flora sometimes halving my frame rates.

Noted - I tried removing depth of field and my framerate at chuggy Liverpool Street (typically 14fps - my fave frame-rate for this game) jumped up to around 30fps as we departed the station - caveat being that I was running on that lower FXAA blah-blah. There was a lot of distant flicker but the near overhead lines seemed fine. The only noticeable degradation were leafless trees (I think it was a winter scenario) that seemed to be balls of dismembered floating twigs - lots of detail lost there. I'll swap out depth of field for procedural flora next - see what that does.

And I need to see if I can try down-sampling, because Train Simulator is the only game I've ever had terrible AA issues with, no matter how powerful my system happens to be. Thanks deltic009 for the numbers there - I've no idea what I'm doing yet but it will help to start with compatible numbers for my 1680x1050!

EDIT: I'm now downsampling and it looks good, but my fps is still doggedly sticking to 35fps. Even in a black tunnel it's 35fps - with or without procedural flora enabled. I did try my luck at 1x2SSAA but that gave me my beloved 14fps at Ipswich!

[deltic009]

Hi, Depth of field and procedural Flora are my biggest FPS killers with procedural flora sometimes halving my frame rates.

Noted - I tried removing depth of field and my framerate at chuggy Liverpool Street (typically 14fps - my fave frame-rate for this game) jumped up to around 30fps as we departed the station - caveat being that I was running on that lower FXAA blah-blah. There was a lot of distant flicker but the near overhead lines seemed fine. The only noticeable degradation were leafless trees (I think it was a winter scenario) that seemed to be balls of dismembered floating twigs - lots of detail lost there. I'll swap out depth of field for procedural flora next - see what that does.

And I need to see if I can try down-sampling, because Train Simulator is the only game I've ever had terrible AA issues with, no matter how powerful my system happens to be. Thanks deltic009 for the numbers there - I've no idea what I'm doing yet but it will help to start with compatible numbers for my 1680x1050!

Not just compatible numbers but logical ratios too, the resolution I posted in 1.5x native resolution in each direction, try multiples of 0.25x along the way.

[Trev123]

My specs are in my signature (only thing not shown is my screen resolution which is 1650x1080) but my Train Simulator performance is pretty dire. I'm running 2x2 SLAA (anything lower and the overhead line rendering is just too horrid and flickery for me to play comfortably - as if all AA is dropped). My PC positively chugs on GEML (I've lowered my shadow details considerably) and I think I must get about 3fps in London Liverpool Street! It's pretty rubbish, really. I've just decided it is what it is, and live with it. I'm not sure what else I can do.

You have a better system than me but I get FPS between 30 to 40 and sometimes up to 50 on routes like Donner Pass. All my settings are on high and everything on. AA FXAA+8xMSAA and Texture Filtering Anisotropic x8 screen resolution 1920x1080.