Tuning X-Plane from a worst case scenario perspective

[conura 45]

Hey all,

 

I have spent the afternoon tuning the sim so that in the worst case scenario (Flying over central London/Heathrow area) with poor weather and lots of clouds in a complex airliner my FPS dips down to 26 (but averages 30 in this scenario).

 

Is this a good minimum to aim for? I'm basically trying to avoid the point I've heard of where the engine breaks down and the flight model stops functioning. I get about 35-45fps usually, but as I say, it can drop to 26 in highly complex large cities.

 

Any advice about targets etc for the optimal balance of graphics / performance?

[alexcolka 183]

You're lucky not to drop below 19 fps (which I consider my bare minimum) , you're getting great fps in that scenario.

 

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[conura 45]

Hi Alex,

 

Thanks for your input - I have hdr switched off so perhaps I should enable it...I just don't see a huge difference!

[Janov 2,383]

Hi Alex,

 

Thanks for your input - I have hdr switched off so perhaps I should enable it...I just don't see a huge difference!

 

Try flying at night and then tell us again B)

 

Jan

[conura 45]

Try flying at night and then tell us again B)

 

Jan

True but it drops to about 23fps with it on! At what point does the flight model break down? Is it below 20fps?

[Janov 2,383]

True but it drops to about 23fps with it on! At what point does the flight model break down? Is it below 20fps?

 

I think the limit used to be 19fps - but you can go around that by forcing the flight-model code to execute more than once per flightloop. That way you can fly with fps lower than that.

 

I think 19 is the lowest that X-Plane will show, though. And I personally can´t enjoy even the nicest scenery once framerate goes below 25 or so...

 

Jan

[ryanbatc 12,835]

HDR will kill ya... I typically see 15-20 in big cities with payware and OSM data.