I did it for fun. No idea how time critical the process needs to be in the real world. 
[quote=194498:@Jeff Tullin]Unless I timed it wrong I was seeing values of 0.08 for the baseline test, and 0.009 for using the memoryblock
[/quote]
You cheating because “ub1” it is missing a zero.
You’re right.
I think ‘cheating’ is a harsh description, but that does explain the difference.
oh well. It was fun trying anyway.
yup