robert wrote: > (IPython is only a special "python network terminal" as already said.)
Sorry, I thought of IronPython, the .NET variant. > Does Jython really eliminate the GIL? What happens when different Yes. > threads alter/read a dict concurrently - the basic operation in python, > which is usually not protected by locks. Does Jython use a dict data > type (and other collection types) which lock during _each_ access? in > case - that may be very expensive. True, though Java synchronization has gotten better and better. Still, Sun introduced non locking hash tables, so it was a problem. It'd be interesting to know which kind of dict is used in Jython for attribute access. > > garbage is collected earliest, when the refcount went to 0. If it ever > went to 0, no one will ever use such object again. Thus GC should not be > different at all. Since Python 2.?, there's a mark-and-sweep garbage collection in addition to the reference counting scheme. This was put into Python to be able to reclaim object cycles. Daniel -- http://mail.python.org/mailman/listinfo/python-list
