hw.model: Intel(R) Xeon(R) CPU           E5504  @ 2.00GHz
x newsha512.times
+ oldsha512.times
+--------------------------------------------------------------------------+
|                                                                     +    |
|      xx                                                             +    |
|xxx xxxx x                                                    + + ++++ + +|
|  |__AM_|                                                        |__AM_|  |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  10      7.947568      8.033382      7.999775     7.9922071   0.027583176
+  10      8.531185      8.629835      8.593194     8.5820432   0.029888075
Difference at 95.0% confidence
	0.589836 +/- 0.0270216
	7.38014% +/- 0.338099%
	(Student's t, pooled s = 0.0287587)