[DUG-TO] Speed Optimization

[Julian Egelstaff]

Khalid Baheyeldin wrote:
> Before you try too many things, make sure you narrow down the area of 
> the problem to one or two, then decide how to attack them.....
> ......Do not explore another area until you are sure that the previous 
> area is given a clean bill of health.

Yes!  Very sage advice for any debugging exercise.

--Julian