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

Everytime you have a task waiting for an I/O operation it does make a sense to enclose it in a thread and fire it up. There's a great probability that your thread will be suspended while waiting for the I/O operation to finish. When it gets waken up the result will be waiting for it.