gpukernel

noun
UK /ˌdʒiː piː ˈjuː ˈkɜːnl/
US /ˌdʒiː piː ˈjuː ˈkɝːnl/

A small program that runs on a computer's graphics chip to do many math jobs at once.

The game uses a GPU kernel to draw thousands of tiny stars on the screen.


OTHER MEANINGS

2. A function launched by the CPU to run across many threads on a graphics processing unit.

The programmer wrote a GPU kernel to add two large arrays together.

3. The core part of a graphics driver that handles low-level chip operations.

The update fixed a bug in the GPU kernel that caused screen flicker.

4. A small piece of code that processes pixels or vertices in a rendering pipeline.

Each GPU kernel shades one pixel before the image is shown.