Less Frames per Secs when compiled
Blitz3D Forums/Blitz3D Programming/Less Frames per Secs when compiled
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| Hi, all. This is a problem I encountered this weekend. Donīt know if anybody else had this mentioned before. The following Code results in 495 FPS when running on my PC (ATHLON XP 1900+, GeForce4 TI4400, NForce v6.6.93, B3D v1.90) within the IDE. After compiling to an EXE (DEBUG ON or OFF doesnīt matter) it will give me only 325 FPS. I donīt understand. Any ideas? AppTitle "FPS Speed Test" Graphics3D 1024, 768, 32,2 SetBuffer BackBuffer() HidePointer Global Camera = CreateCamera() Light = CreateLight() Cube = CreateCube() PositionEntity Cube, 0, 0, 5 tex = CreateTexture(128, 128) SetBuffer TextureBuffer(tex) ClsColor 255,255,255 Cls SeedRnd(MilliSecs()) For k = 1 To 50 Color Rand(256), Rand(256), Rand(256) Rect Rand(128), Rand(128), Rand(128), Rand(128) Next EntityTexture Cube, tex SetBuffer BackBuffer() Color 255, 255, 255 FPS = 0 Ticks = 0 Timer = MilliSecs() + 1000 While Not KeyDown(1) TurnEntity Cube, 0.05, 0.05, 0.05 UpdateWorld RenderWorld Ticks = Ticks + 1 If MilliSecs() >= Timer Then FPS = Ticks Ticks = 0 Timer = MilliSecs() + 1000 End If Text 2, 2, "FPS: " + Str$(FPS) Flip False Delay 2 Wend ShowPointer EndGraphics End |
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| Gives me the exact same speeds when compiled or running out the IDE. 342fps. Do you have the latest versions of the IDE, linker, etc.? |
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| Just an aside, I'm not a fan of using that delay 2 for controlling the speed of execution myself. |
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| Likewise. I get: 495FPS in debug mode from the IDE, 495FPS in release mode from the IDE 495FPS in release mode from the EXE All I can think of is that Flip False is unreliable in windowed mode, because Windows decides when you're going to flip. When not running the IDE, it's possible that the CPU has more free cycles and Windows uses those to flip the buffers more often. Do you get the same results in fullscreen? |
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| I think Sybixsus is right. Has something todo with windowed mode. I ran the above code in fullscreen mode. These are my results: IDE (debug on) 492 FPS IDE (debug off) 492 FPS EXE (debug on) 492 FPS EXE (debug off) 492 FPS I only use the delay 2 when testing in windowed mode and donīt want to use the whole CPU power. In a final programm I would off cause allways remark this line for better performance. So I agree with you Rroff. Without the delay 2 the FPS is like this: IDE (debug on) 1275 FPS IDE (debug off) 1275 FPS EXE (debug on) 1275 FPS EXE (debug off) 1275 FPS Thank you all very much for making this "windowed problem" clear to me. |
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| "I only use the delay 2 when testing in windowed mode and donīt want to use the whole CPU power." - fair enough then heh. |
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