ID Activity Title Status
33587 11 months ago inspect.getsource performs unnecessary filesystem stat call has PR open
33838 11 months ago Very slow upload with http.client on Windows when setting timeout open
33793 11 months ago asyncio: _ProactorReadPipeTransport reads by chunk of 32 KiB: chunk size should be configurable open
33500 12 months ago Python TKinter for Mac on latest 2.7.15 still extremely slow vs Windows open
33521 12 months ago Add 1.32x faster C implementation of asyncio.isfuture(). has patch has PR open
32411 12 months ago Idlelib.browser: stop sorting dicts created by pyclbr has PR open
33440 12 months ago Possible lazy import opportunities in `pathlib` has PR open
21592 12 months ago Make statistics.median run in linear time has patch has PR open
33431 12 months ago Change description about doc in programming, faq. has PR open
33326 13 months ago Convert collections (cmp_op, hasconst, hasname and others) in opcode module to more optimal type open
32801 15 months ago Lib/ utilize all() open
32196 17 months ago Rewrite plistlib with functional style has PR open
28308 17 months ago Accelerate 'string'.format(value, ...) by using formatted string literals open
32408 17 months ago Performance regression in urllib.proxy_bypass_environment open
31791 19 months ago Ensure that all PyTypeObject fields are set to non-NULL defaults open
31610 20 months ago Use select.poll instead of in SocketServer.BaseServer.serve_forever open
31484 20 months ago Cache single-character strings outside of the Latin1 range has PR open
28060 22 months ago Clean up division fast paths in Objects/longobject.c has patch open
30556 24 months ago asyncio.wait very slow with FIRST_COMPLETED open
30505 24 months ago Performance of typing._ProtocolMeta._get_protocol_attrs and isinstance open
26280 24 months ago ceval: Optimize list[int] (subscript) operation similarly to CPython 2.7 has patch open
29533 25 months ago urllib2 works slowly with proxy on windows has patch has PR open
10399 26 months ago AST Optimization: inlining of function calls has patch open
29811 26 months ago Avoid temporary method object in PyObject_CallMethod() and PyObject_CallMethodObjArgs() open
29410 27 months ago Moving to SipHash-1-3 has patch open
24165 29 months ago Free list for single-digits ints has patch open
28158 29 months ago Implement LOAD_GLOBAL opcode cache has patch open
11322 29 months ago encoding package's normalize_encoding() function is too slow has patch open
10401 29 months ago Globals / builtins cache has patch open
28309 32 months ago Accelerate string.Template by using formatted string literals has patch open
14757 32 months ago INCA: Inline Caching meets Quickening in Python 3.3 has patch open
18329 32 months ago for line in socket.makefile() speed degradation open
13564 32 months ago ftplib and sendfile() has patch open
27898 33 months ago regexp performance degradation between 2.7.6 and 2.7.12 open
27926 33 months ago ctypes is too slow to convert a Python list to a C array open
24424 35 months ago xml.dom.minidom: performance issue with Node.insertBefore() has patch open
4821 35 months ago Patches for thread-support in built-in SHA modules has patch open
25702 36 months ago Link Time Optimizations support for GCC and CLANG has patch open
26049 36 months ago Poor performance when reading large xmlrpc data has patch open
26774 37 months ago Elide Py_atomic fences when WITH_THREAD is disabled? open
26285 39 months ago Garbage collection of unused input sections from CPython binaries has patch open
26236 40 months ago urllib2 initiate irregular call to gethostbyaddr open
25881 41 months ago A little faster ElementTree serializing has patch open
25469 43 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
13559 45 months ago Use sendfile where possible in httplib has patch open
18003 48 months ago lzma module very slow with line-oriented reading. has patch open
12807 50 months ago Optimization/refactoring for {bytearray, bytes, unicode}.strip() has patch open
23376 50 months ago getargs.c: redundant C-contiguity check has patch open
23720 50 months ago __del__() order is broken since 3.4.0 open
23690 51 months ago re functions never release GIL open
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