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GPU (graphics processing unit), is a specialized processor designed to accelerate the process of building images.

6 votes

Are there any benefits for using the CPU instead of the GPU?

GPU are very difficult to program. You should search howto to sort a list on a GPU. Many thesis have search to do it. … Use a CPU with one thread is easy, use multi-threads is more difficult, use many computers with parallel library as PVM or MPI is hard and use a gpu is the hardest. …
Ellis's user avatar
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3 votes

Skipping glReadPixels and reading iPhone's "VRAM" directly

You can't. Only an OpenGL ES Extensions could allow it, but nothing is available. This item is on the Aras wishlist (Unity Engineer). Why can't you use IOS emulator to do videos ? The emulator is oft …
Ellis's user avatar
  • 3,626
2 votes

Is it possible to use the GPU on a mobile device to accelerate a particle physics engine?

For particle computations with OpenGL ES 2.x (iPhone 3GS, 4 or many Android Phones), you can use the vertex shader but the equation must be very simple and depend on few variables. The main idea is t …
Ellis's user avatar
  • 3,626
2 votes

How can I program on the GPU in Unity?

Use Compute shaders (DirectX 11) or OpenCL on desktop systems.
Ellis's user avatar
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