bounded_4_thread_concurrent_mixio/multiqueue:median Density (a.u.) Average time (ns) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 124.5 125 125.5 126 126.5 127 127.5 128 128.5 129 129.5 Bootstrap distribution Confidence interval Point estimate