.NET Thread.Sleep() is randomly imprecise

Question

In my .NET application I have to replay a series of sensor events. So I created a thread that fires these events (usually about every 1 - 4 millisecond). I implemented a loo

Answer 1

Your program is not guaranteed to be the sole user of a CPU.

Other processes get slices of the CPU - Thread.Sleep will make a best attempt to resume after the timeout, but if the CPU is busy, it has to wait.