[handyguy]

A smaller clock/text would not matter as the final benchmark script drew nothing and used the same current. I am using Python 2.7 - do you think it's more efficient than 3? What do you think the setcheckinterval will do?
I am thinking about running another benchmark with a longer interval; will report back.

For the Kindle to last multiple weeks in use as an e-reader, it must be entering a deeper sleep than just rtcwake -m mem ?

Thanks all for the suggestions!