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ID Activity Title Status
37010 24 months ago Review performance of inspect.getfullargspec open
36408 24 months ago Tkinter multi-processing performance, Linux 10-25 times faster than Windows 10 open
36054 24 months ago On Linux, os.count() should read cgroup cpu.shares and cpu.cfs (CPU count inside docker container) open
35243 24 months ago readline timeout too long for async gfx use open
35210 24 months ago Use bytes + memoryview + resize instead of bytesarray + array in io.RawIOBase.read has PR open
35195 24 months ago [Windows] Python 3.7 initializes LC_CTYPE locale at startup, causing performance issue on msvcrt isdigit() open
34396 24 months ago Certain methods that heap allocated subtypes inherit suffer a 50-80% performance penalty has PR open
34296 24 months ago Speed up python startup by pre-warming the vm open
33964 24 months ago IDLE maxosc.overrideRootMenu: remove unused menudict has PR open
33838 24 months ago Very slow upload with http.client on Windows when setting timeout open
33587 24 months ago inspect.getsource performs unnecessary filesystem stat call has PR open
33521 24 months ago Add 1.32x faster C implementation of asyncio.isfuture(). has patch has PR open
33440 24 months ago Possible lazy import opportunities in `pathlib` has PR open
33326 24 months ago Convert collections (cmp_op, hasconst, hasname and others) in opcode module to more optimal type has PR open
33092 24 months ago The bytecode for f-string formatting is inefficient. has PR open
32801 24 months ago Lib/_strptime.py: utilize all() open
32196 24 months ago Rewrite plistlib with functional style has PR open
31610 24 months ago Use select.poll instead of select.select in SocketServer.BaseServer.serve_forever open
30556 24 months ago asyncio.wait very slow with FIRST_COMPLETED open
30509 24 months ago Optimize calling type slots has patch has PR open
30505 24 months ago Performance of typing._ProtocolMeta._get_protocol_attrs and isinstance open
30230 24 months ago Move quick test in PyObject_IsSubClass outside of PyType_CheckExact guard open
29871 24 months ago Enable optimized locks on Windows has PR open
29533 24 months ago urllib2 works slowly with proxy on windows has patch has PR open
28607 24 months ago C implementation of parts of copy.deepcopy has patch open
28309 24 months ago Accelerate string.Template by using formatted string literals has patch open
28308 24 months ago Accelerate 'string'.format(value, ...) by using formatted string literals open
28307 24 months ago Accelerate 'string' % (value, ...) by using formatted string literals has PR open
28060 24 months ago Clean up division fast paths in Objects/longobject.c has patch open
27926 24 months ago ctypes is too slow to convert a Python list to a C array open
26285 24 months ago Garbage collection of unused input sections from CPython binaries has patch open
26236 24 months ago urllib2 initiate irregular call to gethostbyaddr open
26049 24 months ago Poor performance when reading large xmlrpc data has patch open
25881 24 months ago A little faster ElementTree serializing has patch open
25469 24 months ago multiprocessing .Condition.notify(_all) function has O(N) time complexity where N is the number of wait() calls with a timeout since the last notify(_all) call has patch open
25095 24 months ago test_httpservers hangs since Python 3.5 has PR open
24424 24 months ago xml.dom.minidom: performance issue with Node.insertBefore() has patch open
23720 24 months ago __del__() order is broken since 3.4.0 open
23690 24 months ago re functions never release GIL open
23553 24 months ago Reduce the number of comparisons for range checking. has patch open
23376 24 months ago getargs.c: redundant C-contiguity check has patch open
22070 24 months ago Use the _functools module to speed up functools.total_ordering open
21592 24 months ago Make statistics.median run in linear time has patch has PR open
20297 24 months ago concurrent.futures.as_completed() installs waiters for already completed Futures has patch open
18744 24 months ago doc: pathological performance using tarfile open
18329 24 months ago for line in socket.makefile() speed degradation open
18003 24 months ago lzma module very slow with line-oriented reading. has patch open
15903 24 months ago Make rawiobase_read() read directly to bytes object has patch open
15381 24 months ago Optimize BytesIO to do less reallocations when written, similarly to StringIO has patch open
15139 24 months ago Speed up threading.Condition wakeup has patch open
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