Mensanator wrote: > When I run I Python program, the Windows task manager shows both > cores running (usually a 60/40 split) for an overall 50% usage. > > What am I actually seeing? If Python only uses one of the cores, > why do both light up? Is everything much more complicated (due to > OS scheduling, etc.) than the simple explanations of GIL?
A Python *program* can utilize more than one core, just Python *code* can't run on multiple cores in parallel. Everytime a C function calls code that doesn't use the Python API it can chose to release the GIL. That way a Python program can wrap a library and use as many cores as possible. Christian -- http://mail.python.org/mailman/listinfo/python-list
