hw.model: Intel(R) Core(TM)2 Quad CPU    Q9650  @ 3.00GHz
x newsha512.times
+ oldsha512.times
+--------------------------------------------------------------------------+
|   +                                                                x x x |
|++ + ++ + +   +      +                                            x x xxxx|
| |____MA______|                                                    |__A_| |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  10      4.723384      4.734098      4.729859     4.7292322  0.0035198166
+  10      4.626473      4.657724      4.635068     4.6369624  0.0095629732
Difference at 95.0% confidence
	-0.0922698 +/- 0.00677029
	-1.95105% +/- 0.143158%
	(Student's t, pooled s = 0.00720554)