PB Vertices/Second

The PB Vertices/Second metric represents the number of on-screen vertices per second written to the Parameter Buffer.

Improving Performance

The Parameter Buffer communicates primitive data between the Texture and Shader Processor (TSP) and the Image Synthesis Processor (ISP). The Parameter Buffer is generally not a bottleneck, but if you suspect it to be an issue and if the PB Vertices/Second metric is high, you should investigate ways to reduce the number of varying data passed between the vertex shader and the fragment shader.

For more complete information about compiler optimizations, see our Optimization Notice.