hw.model: Intel(R) Xeon(R) CPU           W3520  @ 2.67GHz
x newsha512.times
+ oldsha512.times
+--------------------------------------------------------------------------+
|     x                                                      +             |
|    xxx                                                     ++            |
|    xxxx x                    x                          + ++++  +       +|
||_____M_A_______|                                         |__MA___|       |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  10      4.748196      4.911064      4.758433     4.7731473     0.0491928
+  10      5.077353      5.175909       5.09994     5.1072648   0.027204338
Difference at 95.0% confidence
	0.334117 +/- 0.0373482
	6.99994% +/- 0.782466%
	(Student's t, pooled s = 0.0397493)