Microthreads: wait( duration ) with minimal processor overhead, u
mwh21 at cam.ac.uk
Sat May 27 11:51:03 CEST 2000
Courageous <jkraska1 at san.rr.com> writes:
> > Normal sleeping threads (for instance, a thread that has blocked while
> > waiting for input from a queue, or waiting for a timer to finish) do not
> > take up any processor activity until the they are reactivated by the
> > event that wakes them. I think you may be working on an already-solved
> > problem.
> Eh? These are *microthreads*. Using thousands and thousands
> of "normal" threads will clobber your cpu. And yet in a very
> simple test of microthreads, I was able to spawn up 10,000 of
> them and watch them finish in under 3 seconds flat. Quite
> I'll be a monkey's uncle if the author of the uthread library
> doesn't know all about how normal threads work...
Who was the person you just replied to!
SCSI is not magic. There are fundamental technical reasons why it
is necessary to sacrifice a young goat to your SCSI chain now and
then. -- John Woods
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