So what exactly does threading module do, if it doesn't create a subprocess. Does each thread have its own stack and PC. What advantage would a threading module provide over sequential execution.
On 01/09/2011 22:54, "Terry Reedy" <tjre...@udel.edu> wrote: > On 9/1/2011 5:14 PM, George wrote: >> Hi, >> Why doesn't python threads show an associated PID? On spawning python >> threads using the threading module I can only see the main thread's pid on >> using top or ps unix command, no subprocesses are displayed. In otherwords >> top or ps in not aware of any subprocesses created using threading module in >> python. > > Perhaps because threads are not subprocesses? > >> Whereas in Java , creating threads will result in separate pid , these >> subprocesses can be listed using top or ps. Java threads get mapped to the >> cores in the system. >> >> Does it mean that python threads are not mapped to the core in the system. > > They all run on the same core. > >> On using multiprocessing module, separate processes are created with unique >> PID. > > That is why multiprocessing was added. > -- http://mail.python.org/mailman/listinfo/python-list
