Tag: #latency

How fast does an IP packet travel?

IP packets travel at ~20% the speed of light, with most time spent in routers rather than on the wire. 2017-01-01

Low latency, large working set, and GHC’s garbage collector: pick two of three

Large working sets and low latency are incompatible with GHC’s stop-the-world garbage collector, which optimizes for throughput instead of latency. The collector’s pause times scale linearly with working set size. 2016-05-12