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ID Activity Title Status
47248 24 months ago Possible slowdown of regex searching in 3.11 open
47193 24 months ago Use zlib-ng rather than zlib in binary releases open
47149 24 months ago DatagramHandler doing DNS lookup on every log message open
47125 24 months ago Explore hashlib use of the Windows Crypto API NG open
47120 24 months ago Make all jump opcodes relative has PR open
47070 24 months ago Improve performance of array_inplace_repeat has PR open
47053 24 months ago Reduce de-optimization in BINARY_OP_INPLACE_ADD_UNICODE has PR open
47045 24 months ago Remove the RESUME instruction has PR open
46965 24 months ago Enable informing callee it's awaited via vector call flag open
46841 24 months ago Inline bytecode caches has PR open
46799 24 months ago ShareableList memory bloat and performance improvement has patch has PR open
46713 24 months ago Provide a C implementation of collections.abc.KeysView and friends open
46705 24 months ago Memory optimization for set.issubset has patch has PR open
46600 24 months ago Python built with clang -O0 allocates 10x more stack memory than clang -O3 on a Python function call has patch has PR open
46564 24 months ago Near zero-cost super().meth() calls via adaptive superinstructions has PR open
46509 24 months ago Type-specialized Py_DECREF has PR open
46372 24 months ago int/float specializations should mutate the LHS in-place when possible has PR open
46212 24 months ago Avoid temporary `varargs` tuple creation in argument passing has patch has PR open
46207 24 months ago Log emit performance degradation in RotatingFileHandlers due to filesystem checks open
46192 24 months ago Optimize builtin functions min() and max() has patch has PR open
46097 24 months ago Split function versions into 1-0xffff and 0x1000+ regions open
46055 24 months ago Speed up binary shifting operators has PR open
46020 24 months ago Optimize long_pow for the common case has PR open
45944 24 months ago Avoid calling isatty() for most open() calls has PR open
45923 24 months ago Improve performance of sys.settracing based tools. has PR open
45829 24 months ago Remove C stack use by specializing BINARY_SUBSCR, STORE_SUBSCR, LOAD_ATTR, and STORE_ATTR has PR open
45819 24 months ago Avoid releasing the GIL in nonblocking socket operations has patch has PR open
45753 24 months ago Further speed up Python-to-Python calls. has PR open
45575 24 months ago Use a more principled approach to freelists has PR open
45565 24 months ago More LOAD_ATTR specializations has PR open
45550 24 months ago Increase the information content and robustness of tp_version_tag. open
45542 24 months ago Using multiple comparison operators can cause performance issues has PR open
45505 24 months ago Remove unneeded ZipFile IO has PR open
45417 24 months ago Enum creation non-linear in the number of values has patch has PR open
45387 24 months ago GzipFile.write should be buffered open
45304 24 months ago Supporting out-of-band buffers (pickle protocol 5) in multiprocessing open
45295 24 months ago Speed up classmethod calls via LOAD_METHOD has PR open
45260 24 months ago Implement superinstruction UNPACK_SEQUENCE_ST has PR open
45213 24 months ago Frozen modules are looked up using a linear search. open
45116 24 months ago Performance regression 3.10b1: inlining issue in the big _PyEval_EvalFrameDefault() function with Visual Studio (MSC) has patch has PR open
44921 24 months ago dict subclassing is slow open
44850 24 months ago Could operator.methodcaller be optimized using LOAD_METHOD? has PR open
44699 24 months ago Simple regex appears to take exponential time in length of input open
44644 24 months ago Implement “Happy Eyeballs” algorithim (RFC 8503) in socket.create_connection() open
44579 24 months ago shutil.copy() inefficient implementation in Windows open
44525 24 months ago Implement CALL_FUNCTION adaptive interpreter optimizations has PR open
44334 24 months ago Use bytearray in urllib.unquote_to_bytes has PR open
44331 24 months ago Generate static PyCodeObjects for faster startup has PR open
44328 24 months ago time.monotonic() should use a different clock source on Windows open
44307 24 months ago date.today() is half as fast as datetime.now().date() open
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