"Cray's brilliance was about the balance within the machine. As they saw it, there is no point in having a superfast CPU if it was only going to be starved for work. So, much of the extreme engineering that took place was in making sure that the CPUs were never hung on wait conditions"
"If a thread is not in the WAITING or TIMED_WAITING states, then having it's interrupt() method called simply sets its interrupted status to true, and nothing else happens. However any method that subsequently puts the method into a WAITING or TIMED_WAITING state will cause an immediate InterruptedException to be thrown"