Percent of time processing shader data.
typedef struct D3DDEVINFO_D3D9STAGETIMINGS {
FLOAT MemoryProcessingPercent;
FLOAT ComputationProcessingPercent;
} D3DDEVINFO_D3D9STAGETIMINGS, *LPD3DDEVINFO_D3D9STAGETIMINGS;
For best performance, a balanced load is recommended.