>>Under heading 'Holy Moly!"
>>
>>Just a note to say that my GPU is faster than my CPU by quite a bit. It consistently processes five hours and thirty minutes of data in four minutes and seventeen seconds. That's pretty good performance.
>>
>>Carry on having fun.
>
>I must not know much about speed because I don't even know what a GPU is.

Graphical Processing instead of Central Processing. It is in an NVIDIA 9800 graphics card. To use the capability requires a form of C language named CUDA. If CUDA isn't used then the GPU isn't used.