Nvidia

US20090309243: MULTI-CORE INTEGRATED CIRCUITS HAVING ASYMMETRIC PERFORMANCE BETWEE...
An integrated circuit in one embodiment includes asymmetric cores and an asymmetric core control circuit. At least one of the asymmetric cores is a different implementation of substantially the same function or subset of functionality as another c...

US7634621: Register file allocation
Circuits, methods, and apparatus that provide the die area and power savings of a single-ported memory with the performance advantages of a multiported memory. One example provides register allocation methods for storing data in a multiple-bank re... + 5 more...

US7629987: Accelerated rotation for displaying an image
A transform engine within a graphics pipeline is configured to rotate, or rotate and translate, one or more polygons in response to a screen orientation. The transform engine obtains a texture from a pre-rotated polygon and applies the texture to ... + 7 more...