hw.model: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
x newsha256.times
+ oldsha256.times
+--------------------------------------------------------------------------+
|                                                                      +   |
|                                                                      +   |
| x                                                                    +   |
| x                                                                    +   |
| x                                                                    +   |
| x                                                                    +   |
| x                                                                    +   |
| x                                                                    +   |
|xx xx                                                                 +  +|
||A|                                                                  |A|  |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  10        4.6035      4.647274     4.6137345     4.6187933    0.01466678
+  10      5.450565      5.491898     5.4529225       5.45714   0.012540013
Difference at 95.0% confidence
	0.838347 +/- 0.0128207
	18.1508% +/- 0.277577%
	(Student's t, pooled s = 0.0136449)