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Newcomers DBPro Corner / dbp performance question

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David iz cool
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Posted: 15th May 2006 23:29
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why when i run a game like 'morrowwind' witch is very graphic intensive,has pixel shaders,high quality 3d models,and probably complicated ai my pc runs it with ease!! my cpu & graphics fan are very quiet.

but when i run my dbp program my cpu goes crazy likes its struggling to run it & my framerate drops to 4 when i try to use an ocean shader for my water?also i dont have very many 3d models in my scene.

what is it??is dbp just not very good??? (im just asking,im not bashing dbp.)
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Panda lover
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Posted: 15th May 2006 23:32
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it depends on how you got it to go i think and on the pixel shader you are trying to use aswell and the ammount of polygons its trying to shade
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David iz cool
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Posted: 15th May 2006 23:35
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the plain im shading with the ocean shader is a default dbp plain.
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Panda lover
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Posted: 15th May 2006 23:41
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lol it could be that your gpu (graphics card) doesn;t like pixel sharders very much and if your on about the morrowind (eldar scrolls 3) that game isnt grpahics hungary but elder scrolls 4 Oblivion is ower hungary
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David iz cool
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Posted: 16th May 2006 02:59
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ok,this is weird.im actually getting a higher fps when i use sync off.
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Panda lover
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Posted: 16th May 2006 18:21
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are you using auto sync?
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David iz cool
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Posted: 16th May 2006 20:09
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i dont see auto sync in the help.what are you typing about???


this is my display code:


i also have this at the end of my main do loop


but when i change the display code to:

& remove sync from the end of the do loop,my fps goes up about 30!
i think im going to give the player the option to turn this on/off at the start of the program,but by default im leaving it off.
especially since my cpu & graphics fan are silent when i have sync off!
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The Nerd
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Posted: 16th May 2006 20:34 Edited at: 16th May 2006 20:35
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Putting sync off just means that you're letting windows control the screen updating... Putting sync on means that it's you that wanna control the screen updating. Putting sync to 0 means that it will update the screen as fast as your computer allows.

It would help us a lot more if you would post your system specs.

-The Nerd

3D Arcade-like game:
SpaceBattle-Shootout
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smallg
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Posted: 16th May 2006 20:38 Edited at: 16th May 2006 20:40
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sync off won't really do u any favours, best to look into models with lower polys

life's one big game
spec= 2ghz, 1gb ram, 512mb gpu, directx 9.0c, dbpro and classic
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David iz cool
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Posted: 16th May 2006 21:13 Edited at: 16th May 2006 21:16
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windows xp home edition
3.06 gigahertz pc
386 mb ram
direct x 9.0c (very latest)
video card = nividia geforce fx go5200




& what is the main reason i should leave sync on??i mean what kinds of problems would this cause down the road?
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smallg
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Posted: 16th May 2006 22:22
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yep seems like an upgrade in the ram department is needed as windows xp needs at min 128 and really uses about 256.

if u press ctrl+alt+delete and look under performance at the PF usage u will see the amount of ram ur using, also look at the bottom left under commit charge at the peak, this tells u the maximum amount of ram u have used since the computer was booted, therefore u want to make sure this number is a fair way below ur max, to give u some examples, mine is currently reading a PF of 238 with only this web page open + backgground tasks and my commit charge is 434140 (434mb) out of 1gb, therefore i can easily supply this, but this is just my background tasks and loading a web page, i haven't even tried playing any games etc.

hope that helps.

life's one big game
spec= 2ghz, 1gb ram, 512mb gpu, directx 9.0c, dbpro and classic
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David iz cool
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Posted: 17th May 2006 00:29
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hmm. ok,your actually not the 1st person to tell me i probablly need more ram,someone else told me to run games these days pretty well u need about 1 gigbyte.


im definately going to get more ram & see if the performance of all my 3d programs improves.

thanks!
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Euphoria
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Posted: 19th May 2006 14:59 Edited at: 19th May 2006 15:00
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Quote: "& what is the main reason i should leave sync on??i mean what kinds of problems would this cause down the road? "


Having sync on means you have control over what is displayed on each frame....For instance you may wish to reposition a number of objects & perform a bunch of game logic before having the screen updated, with sync off the screen could update in the middle of your game logic and/or objects may appear to reposition one after the other.
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