hw.model: Intel(R) Core(TM)2 Quad CPU    Q9650  @ 3.00GHz
x newsha256.times
+ oldsha256.times
+--------------------------------------------------------------------------+
|    x x                                                               +++ |
|x  xxxx                                                           +++ ++++|
|  |_A_|                                                             |_AM| |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  10      6.767179      6.800018       6.78981     6.7884416   0.009246331
+  10      7.131271      7.167248       7.15367     7.1509191   0.012546324
Difference at 95.0% confidence
	0.362477 +/- 0.0103549
	5.33963% +/- 0.152537%
	(Student's t, pooled s = 0.0110205)