hw.model: Intel(R) Core(TM) i7 CPU         970  @ 3.20GHz
x newsha512.times
+ oldsha512.times
+--------------------------------------------------------------------------+
|xx                                                                   +    |
|xx                                                                   + +  |
|xx                                                                   +++  |
|xx                                                                   +++ +|
|MA                                                                   |A_| |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  10      3.933483      3.938295      3.935239       3.93559  0.0014196684
+  10      4.219074      4.237311      4.225715     4.2256221  0.0058700449
Difference at 95.0% confidence
	0.290032 +/- 0.00401246
	7.36947% +/- 0.101953%
	(Student's t, pooled s = 0.00427041)