async/mpsc_integer/futures::channel::mpsc/10 Iterations Average Time (us) 20 40 60 80 100 120 140 160 180 200 300 400 500 600 700 800 Density (a.u.) 5e-4 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 PDF Mean "Clean" sample Mild outliers Severe outliers