[*] DF-0014 racer: sweep=150000 parallel=4 yield_every=0
[racer 0] 0 iters
[racer 3] 0 iters
[racer 2] 0 iters
[racer 1] 0 iters
[racer 2] 16384 iters
[racer 1] 16384 iters
[racer 0] 16384 iters
[racer 3] 16384 iters
[racer 1] 32768 iters
[racer 2] 32768 iters
[racer 0] 32768 iters
[racer 3] 32768 iters
[racer 1] 49152 iters
[racer 2] 49152 iters
[racer 0] 49152 iters
[racer 3] 49152 iters