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fps
Frames per second is how many complete images a renderer draws each second — higher means smoother motion.
Each frame is one full rendered picture; fps counts how many are produced per second. It is the headline performance metric for graphics: 60 fps is smooth, and a benchmark hitting ~2400 fps on a simple gradient quad signals the renderer has lots of headroom on trivial work. Low fps usually means the GPU or CPU is struggling to keep up with the scene.
See also
- gradient quadA gradient quad is a simple benchmark: one rectangle filled with a smooth color gradient, used to measure raw draw speed.
- framebufferA framebuffer is the block of memory holding the image being rendered, essentially the picture that becomes the screen.
- GPUA GPU is a processor specialized for doing many simple calculations in parallel — originally for graphics, now also for ML.