Generally there is a trade-off between latency and throughput. Embedded Linux is generally geared towards more throughput than latency. Microcontrollers have le

Generally there is a trade-off between latency and throughput. Embedded Linux is generally geared towards more throughput than latency. Microcontrollers have less throughput-oriented features (threads, for instance), which makes them very well suited for latency-critical real time stuff.