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HomeAircraftHelicopterComputer Flight SimulatorsPhoenix › Frames Per Second On Phoenix?
03-09-2008 02:08 PM  10 years agoPost 1
vortechZ230

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U.S.A.

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What is considered the normal frames per second on the Phoenix simulator?, mine is running at 60 fps, and seems to run fine, how do you increase the fps?, just curious..........

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03-09-2008 02:56 PM  10 years agoPost 2
The_Widowmaker

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Bear Valley Springs, CA

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If yours is staying a rock solid 60 its because veritcal sync is enabled. That keeps your framerate matched to your displays refresh rate, which is a good thing. You can actually have better image quality and smoother motion this way. You can disable the vertical sync, your numbers will go up but its not going to appear any faster. You might actually see some areas that the motion is not smooth even though your numbers are high.

At 1680x1050 with AA enabled and sunglare off, along the ground I get 300ish. In the sky up to 700. With sun glare enabled about 180 on the ground and 290ish in the air.

I still enable sync though and run at the constant 60. The play is actually better with sync enabled.

"I'm a Virgin.. I'm just not very good at it. "

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03-09-2008 06:12 PM  10 years agoPost 3
DAVE62278

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Ridgetown, Ontario, Canada

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Great question and answer. With reflex my FPS were always a steady 75, but when I enabled "show frame rate" in Phoenix, I was getting around 300. I thought I was getting a false reading but I do remember turning off vert sync trying to go from 55-60 back up to 75 fps I have with reflex. I disabled vert sync because with it turned on, if I do a high speed continuous vertical take-off, there is a slight amount of image jitter . Running with vert sync turned off I don't seem to get image jitter on lift-off,other than that I don't see a difference,except for the much higher frame rates. I'm not sure I understand this vertical sync thing. Is it because of the higher frame rates why the image seems to be smoother with vert sync turned off?

Dave

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03-09-2008 06:59 PM  10 years agoPost 4
bilbo

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Boston, MA - USA

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Here's a general explanation of vertical sync:
http://en.wikipedia.org/wiki/Vertical_synchronization

The Phoenix manual has this to say:
If this option is enabled, the graphics card will wait for the vertical retrace of your monitor to begin before rendering the scene. This results in a smoother update - though can become slower on lower-end graphics hardware with high graphics options enabled.
So basically, if your graphics card can support it, it's better to leave vertical sync enabled.

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03-09-2008 09:15 PM  10 years agoPost 5
Synergy

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Bristol

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Dave, you probably had 75 FPS on your reflex because you had the display mode set to a 75hz refresh rate. If you run Phoenix in fullscreen, you can select a display mode with 75hz from the list under system settings > display.

Always leave vsync on, and if you get problems reduce the gfx settings - MUCH smoother with it on and no "tearing" caused by the display and software being out of sync.

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03-10-2008 01:33 AM  10 years agoPost 6
DAVE62278

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Ridgetown, Ontario, Canada

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Thanks for the replies. I wasn't running in full screen mode,and even with vsync enabled still didn't a completely smooth image in FFF and fast vertical take-offs. Once I changed to full screen, a very smooth image even with higher image quality settings selected. Also, the added bonus of having the flight info displayed, before I just thought that feature wasn't available yet but all along it was hidden by the task bar.
This help has made a great sim, even better!!

Thanks again,
Dave

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03-10-2008 10:32 AM  10 years agoPost 7
Synergy

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Bristol

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One good thing with Phoenix is that you can run in fullscreen mode (which often gives much better results than windowed) and still use all of the menus and options - unlike most of the other sims, which use windows for all of their menus etc- so you dont have to switch back to windowed mode everytime you want to access a menu.

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03-10-2008 03:19 PM  10 years agoPost 8
zimmer101

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UK

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...i always run full screen

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03-10-2008 09:25 PM  10 years agoPost 9
salted

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Albuquerque, NM

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I'm running a low end 1ghz P3 machine hooked up to my lcd tv. At 1280x800 I get usually 60fps until I turn on the balloons. Then it drops to about 20fps. But its so great that it runs on a crappy machine like mine at 60fps vertical sync.

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