   Slowdown for first 10 seconds
  Really stuck with this bug,In my DirectX applicaiton, im using shaders for shadow mapping and motion blur. Although Im sure this isnt causing the problem I am expierencing. When the application initialises for about the first 10 seconds or so there is a very jumpy FPS which eventually settles down and the application then runs smooth.ive tried removing all textures to see if it was some kind of caching problem but there is the same problem with less textures.If anyone has expierenced this, could they give me some advice?Cheers.Ash.   
  Have you tried using Pix, NVPerfHUD, etc to see what's taking the time?   ;  No but thats a good idea.   