serialFloatPrint: 86 seconds/1000 loops
209 seconds/1000 loops for Serial.print(float,HEX)
Arbitrary precision floats: 9.5 sec/100 iterations
Found linear relationship between printing float precision and runtime
Precision vs seconds/100 messages:
1.0000    6.4000
2.0000    7.3000
3.0000    8.3000
4.0000    9.6000
5.0000   10.6000
6.0000   11.6000