Benchmark: running cc, ds, each for at least 3 CPU seconds...
            cc:  2 wallclock secs ( 3.08 usr +  0.01 sys =  3.09 CPU) @ 319288.07/s (n=987558)
            ds:  3 wallclock secs ( 3.19 usr + -0.01 sys =  3.18 CPU) @ 292251.18/s (n=930820)
           Rate  ds  cc
    ds 292251/s  -- -8%
    cc 319288/s  9%  --