Simon Percivall wrote: > How much you gain by starting threads is also determined by what you're > doing in those threads. Remember (or learn): In CPython only one thread > at a time can execute python code, so depending on your task threading > might gain you little. If you're doing I/O or calling functions written > in C (and if they release the Global Intepreter Lock [GIL]) you might > gain a lot by using threads.
I wasn't asking about wether to use threads or not, I already am - for several long running partialy I/O bound tasks. > > As for overhead: profile, profile, profile. You'll have to do sample > runs and find your sweet-spot. It all depends on what you're doing in > the threads. > I haven't had much luck with the profile module in the standard library. It only shows me data from the main thread. Is there a better way of profile heavily threaded code? Will McGugan -- http://www.willmcgugan.com "".join( [ {'*':'@','^':'.'}.get(c,None) or chr(97+(ord(c)-84)%26) for c in "jvyy*jvyyzpthtna^pbz" ] ) -- http://mail.python.org/mailman/listinfo/python-list