bounded_4_thread_concurrent_mixio/multiqueue Iterations (x 10^3) Average Time (µs) 0 10 20 30 40 50 60 70 80 90 100 0 1 2 3 4 5 6 7 Density (a.u.) 0 0.5 1 1.5 2 2.5 3 3.5 PDF Mean "Clean" sample Mild outliers Severe outliers