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I need some help optimizing my game. I have spent last 3 days digging around with no luck. I have noticed really odd results in the unity profiler so, I have created a simple scene with just a cube and a camera, and again, really odd results. Could anybody have a look at this screenshots?:

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You will see some significant peaks that make the frame time too high (30fps sometime or less). Scene hasn't any script, no coliders, no rigid bodies (notice the Physics simulate % in one of the shots).

Could anybody explain what is happening?

PD. Target platform is Android. This are taken from a Nexus 4 device. PD2. Somebody can argue that this is not a real scenario, but I have had this problems in a real game myself and wanted to show a simple example to expose the problem.

Thanks in advance.

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  • \$\begingroup\$ For future reference, Win7 comes with a nice Snipping tool for capturing just a portion of the screen. Further, it looks like rendering stuff. Does it only happen on one machine? Have anything else running? \$\endgroup\$ Commented Jul 19, 2013 at 23:35
  • \$\begingroup\$ No, I don't have anything more running on the machine. I have tried with 2 different android devices with same results (I get occasional peaks). What do you mean by "it looks like rendering stuff"? With just a cube on the screen and no other client logic running do you think it is ok to have these peaks ruining a constant frame rate?. On the other hand, sorry for the screenshots issue. \$\endgroup\$ Commented Jul 20, 2013 at 8:22

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For What i can see :

  • You have some shader taking a lot of resources, do you have a custom shader?
  • you have a peak related to WaitForTargetFrameRate this looks a lot like a VSynch issue i had before, try disabling VSynch and you should get some relief already

Vsync can be disabled in Quality Settings

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