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python Programming Glossary: memoryWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python class ObjectCreator object ... pass ... creates in memory an object with the name ObjectCreator . This object the class.. object first but the class object Foo is not created in memory yet. Python will look for __metaclass__ in the class definition... Is there a __metaclass__ attribute in Foo If yes create in memory a class object I said a class object stay with me here with..
Which Python memory profiler is recommended? [closed] http://stackoverflow.com/questions/110259/which-python-memory-profiler-is-recommended Python memory profiler is recommended closed I want to know the memory usage.. memory profiler is recommended closed I want to know the memory usage of my Python application and specifically want to know.. what code blocks portions or objects are consuming most memory. Google search shows a commercial one is Python Memory Validator..
http://stackoverflow.com/questions/13058458/python-list-index pretty large rather than shifting the whole list around memory Python chooses to just use a reference 'pointer' in C terms.. you can have two variables pointing to the same list in memory a 1 b a a 0 2 print b 2 So in your first line of code you have.. code you have 4 0 . Now 0 is a pointer to the value 0 in memory and when you multiply it you get four pointers to the same place..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained them as much as you wish but you store all the values in memory and it's not always what you want when you have a lot of values... once . It's because they do not store all the values in memory they generate the values on the fly mygenerator x x for x in.. a lot of children and you don't want them all stored in memory. And it works because Python does not care if the argument of..
How to clone a list in python? http://stackoverflow.com/questions/2612802/how-to-clone-a-list-in-python copy.deepcopy old_list Obviously the slowest and most memory needing method but sometimes unavoidable. Example import copy..
How to get current CPU and RAM usage in Python? http://stackoverflow.com/questions/276052/how-to-get-current-cpu-and-ram-usage-in-python on running processes and system utilization CPU memory in a portable way by using Python implementing many functionalities..
Search and replace a line in a file in Python http://stackoverflow.com/questions/39086/search-and-replace-a-line-in-a-file-in-python back to the file. I could first load the whole file in memory and then write it back but that probably is not the best way..
How to get line count cheaply in Python? http://stackoverflow.com/questions/845058/how-to-get-line-count-cheaply-in-python of lines in python. What is the most efficient way both memory and time wise At the moment I do def file_len fname with open.. best you can do is make sure you don't use unnecessary memory but it looks like you have that covered. share improve this..
list comprehension without [ ], Python http://stackoverflow.com/questions/9060653/list-comprehension-without-python comprehensions is that the former don't create the list in memory. Note that there's a third way to write the expression ''.join..
Which Python memory profiler is recommended? [closed] http://stackoverflow.com/questions/110259/which-python-memory-profiler-is-recommended memory. Google search shows a commercial one is Python Memory Validator . And open source ones are PySizer and Heapy . I haven't..
http://stackoverflow.com/questions/11368486/openmp-and-python and Python I have experience in coding OpenMP for Shared Memory machines in both C and FORTRAN to carry out simple tasks like..
http://stackoverflow.com/questions/1190206/threading-in-python sharing between processes is trickier than with threads. Memory is not implicitly shared. You either have to explicitly share..
http://stackoverflow.com/questions/1339293/python-memory-leak-debugging Memory leak debugging I have a small multithreaded script running..
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory” http://stackoverflow.com/questions/1367373/python-subprocess-popen-oserror-errno-12-cannot-allocate-memory instance on the same server as you running amock. Memory wise we already know that subprocess.Popen uses fork clone under..
Python: How to read huge text file into memory http://stackoverflow.com/questions/1896674/python-how-to-read-huge-text-file-into-memory edge for node in edge mem mem sys.getsizeof node print Memory Bytes mem The output I got was Total number of lines 30609720.. of lines 30609720 Position 9745 2994 Read 3.26693612356 . Memory Bytes 64348736 Position 38857 103574 Read 6.53387224712 . Memory.. Bytes 64348736 Position 38857 103574 Read 6.53387224712 . Memory Bytes 128816320 Position 83609 63498 Read 9.80080837067 . Memory..
How to get current CPU and RAM usage in Python? http://stackoverflow.com/questions/276052/how-to-get-current-cpu-and-ram-usage-in-python psutil library will give you some system information CPU Memory usage on a variety of platforms psutil is a module providing..
Python: List vs Dict for look up table http://stackoverflow.com/questions/513882/python-list-vs-dict-for-look-up-table structure. If you don't need to associate values use sets. Memory Both dictionaries and sets use hashing and they use much more..
Why doesn't memory get released to system after large queries (or series of queries) in django? http://stackoverflow.com/questions/5494178/why-doesnt-memory-get-released-to-system-after-large-queries-or-series-of-quer seq1 10 # Grab a second reference to 10 of the new lists # Memory fragmentation in action seq1 None 10 6 # 90 of the lists are..
Variable assignment and modification (in python) http://stackoverflow.com/questions/6793872/variable-assignment-and-modification-in-python How python list variables share improve this question Memory management in Python involves a private heap memory location..
Python equivalent of PHP's memory_get_usage()? http://stackoverflow.com/questions/897941/python-equivalent-of-phps-memory-get-usage code which I use in a project of mine def memory_usage Memory usage of the current process in kilobytes. status None result..
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