Benchmark: timing 10 iterations of reference, regular...
 reference:  8 wallclock secs ( 7.72 usr +  0.14 sys =  7.86 CPU) @  1.27/s (n=1
0)
   regular:  9 wallclock secs ( 7.91 usr +  0.08 sys =  7.98 CPU) @  1.25/s (n=1
0)
Benchmark: timing 10 iterations of reference, regular...
 reference:  8 wallclock secs ( 7.70 usr +  0.11 sys =  7.81 CPU) @  1.28/s (n=1
0)
   regular:  9 wallclock secs ( 7.95 usr +  0.06 sys =  8.02 CPU) @  1.25/s (n=1
0)