slow conversion of base64 to sgl array and back

[johnsold]

I missed your upgrade to V2.

Processor is 3.2 GHz Intel Core i3.

Lynn

[johnsold]

Your V2 is 4-5 times faster than my code.

Lynn

[altenbach]

Mine uses only one core so far and I think it should be possible to use all of them for a proportional speedup.