Does it make sense to spawn more than one thread per processor?

Question

From a logical point of view an application may need dozens or hundreds of threads, some of which will we sleeping most of the time, but a very few will be always running co

Answer 1

This may make sense if

1. your program design benefits, in that you have parallel tasks that are best implemented in threads, or

2. some of your threads are I/O-bound, so they do not utilize the processors /cores on their own.