¡@
python Programming Glossary: locksWhat is “thread local storage” in Python, and why do I need it? http://stackoverflow.com/questions/104983/what-is-thread-local-storage-in-python-and-why-do-i-need-it synchronizing access to shared data among threads by using locks but I have yet to see a really good example of the problem...
Are locks unnecessary in multi-threaded Python code because of the GIL? http://stackoverflow.com/questions/105095/are-locks-unnecessary-in-multi-threaded-python-code-because-of-the-gil locks unnecessary in multi threaded Python code because of the GIL.. CPython and writing multithreaded code do you really need locks at all If the GIL doesn't allow multiple instructions to be.. share improve this question You will still need locks if you share state between threads. The GIL only protects the..
http://stackoverflow.com/questions/1190206/threading-in-python in fact in its own thread. Sharing data is if not easy locks are never easy at least simple. Cons As mentioned by Juergen.. If for some reason you don't know when and how to use locks and conditions you have to start with those. Multitasking code..
PyEval_InitThreads in Python 3: How/when to call it? (the saga continues ad nauseum) http://stackoverflow.com/questions/15470367/pyeval-initthreads-in-python-3-how-when-to-call-it-the-saga-continues-ad-naus any other threads are spawned Calling PyEval_InitThreads locks the GIL So common sense would tell us that any C extension module..
How to load compiled python modules from memory? http://stackoverflow.com/questions/1830727/how-to-load-compiled-python-modules-from-memory load from memory occurs from multiple threads needing locks but a better architecture is to have a single dedicated thread..
Is close() necessary when using iterator on a Python file object http://stackoverflow.com/questions/1832528/is-close-necessary-when-using-iterator-on-a-python-file-object to always ensure that database connections are closed or locks are always released like below. mylock threading.Lock with mylock..
PyPy — How can it possibly beat CPython? http://stackoverflow.com/questions/2591879/pypy-how-can-it-possibly-beat-cpython certain optimisations that PyPy can do eg. fine grained locks . As Marcelo mentioned the JIT. Being able to on the fly confirm..
Why the Global Interpreter Lock? http://stackoverflow.com/questions/265687/why-the-global-interpreter-lock will need to protect your internal data structures with locks. This can be done with various levels of granularity. You can.. line of code you may need to acquire and release several locks. The coarse grained approach is the opposite. Two threads can't..
TkInter Invoke Event in Main Loop http://stackoverflow.com/questions/270648/tkinter-invoke-event-in-main-loop a method of that root window from the child object my app locks up. The best I can come up with is to use the .after method..
python multithreading for dummies http://stackoverflow.com/questions/2846653/python-multithreading-for-dummies threadsafe so they save you from worrying about locks conditions events semaphores and other inter thread coordination..
What is the python “with” statement designed for? [closed] http://stackoverflow.com/questions/3012488/what-is-the-python-with-statement-designed-for are opening files using with open filename as fp acquiring locks using with lock where lock is an instance of threading.Lock..
Can I use a multiprocessing Queue in a function called by Pool.imap? http://stackoverflow.com/questions/3827065/can-i-use-a-multiprocessing-queue-in-a-function-called-by-pool-imap make it global doesn't generate any messages it just locks up. import multiprocessing as mp import time q mp.Queue def..
How should I log while using multiprocessing in Python? http://stackoverflow.com/questions/641420/how-should-i-log-while-using-multiprocessing-in-python . Per the docs this logger has process shared locks so that you don't garble things up in sys.stderr or whatever..
How to convert pointer to c array to python array http://stackoverflow.com/questions/7543675/how-to-convert-pointer-to-c-array-to-python-array if I use this code to convert the data to a python list it locks up the computer at the allocate step. Is there anyway to load..
Use numpy array in shared memory for multiprocessing http://stackoverflow.com/questions/7894791/use-numpy-array-in-shared-memory-for-multiprocessing you don't need synchronized access or you create your own locks then mp.Array is unnecessary. You could use mp.sharedctypes.RawArray..
|