Benchmark: timing 200000 iterations of Big, Mat, Pak, Str...
       Big: 10 wallclock secs (10.06 usr +  0.02 sys = 10.08 CPU) @ 19841.27/s (n=200000)
       Mat:  8 wallclock secs ( 7.51 usr +  0.01 sys =  7.52 CPU) @ 26595.74/s (n=200000)
       Pak: 10 wallclock secs ( 9.63 usr +  0.01 sys =  9.64 CPU) @ 20746.89/s (n=200000)
       Str:  8 wallclock secs ( 7.78 usr +  0.02 sys =  7.80 CPU) @ 25641.03/s (n=200000)

Benchmark: timing 200000 iterations of Big, Mat, Pak, Str...
       Big: 10 wallclock secs (10.01 usr +  0.02 sys = 10.03 CPU) @ 19940.18/s (n=200000)
       Mat:  8 wallclock secs ( 7.52 usr +  0.01 sys =  7.53 CPU) @ 26560.42/s (n=200000)
       Pak: 10 wallclock secs ( 9.72 usr +  0.01 sys =  9.73 CPU) @ 20554.98/s (n=200000)
       Str:  8 wallclock secs ( 8.00 usr +  0.02 sys =  8.02 CPU) @ 24937.66/s (n=200000)

Benchmark: timing 200000 iterations of Big, Mat, Pak, Str...
       Big: 10 wallclock secs (10.05 usr +  0.01 sys = 10.06 CPU) @ 19880.72/s (n=200000)
       Mat:  8 wallclock secs ( 7.47 usr + -0.01 sys =  7.46 CPU) @ 26809.65/s (n=200000)
       Pak:  9 wallclock secs ( 9.66 usr +  0.02 sys =  9.68 CPU) @ 20661.16/s (n=200000)
       Str:  9 wallclock secs ( 8.09 usr +  0.01 sys =  8.10 CPU) @ 24691.36/s (n=200000)