ID Activity Title Status Creator
critical
29406 3 months ago asyncio SSL contexts leak sockets after calling close with certain Apache servers has patch has PR open thehesiod
normal
33964 3 hours ago IDLE maxosc.overrideRootMenu: remove unused menudict has PR open terry.reedy
36127 4 days ago Argument Clinic: inline parsing code for functions with keyword parameters has PR open serhiy.storchaka
15381 5 days ago Optimize BytesIO to do less reallocations when written, similarly to StringIO has patch open eli.bendersky
32477 1 week ago Move jumps optimization from the peepholer to the compiler has PR open serhiy.storchaka
36030 3 weeks ago add internal API function to create tuple without items array initialization has patch has PR open sir-sigurd
1442493 3 weeks ago IDLE shell window gets very slow when displaying long lines has patch open drhok
35292 1 month ago Make SimpleHTTPRequestHandler load mimetypes lazily has PR open steve.dower
28607 1 month ago C implementation of parts of copy.deepcopy has patch open villemoes
25430 3 months ago speed up ipaddress __contain__ method has patch has PR open gescheit
35210 4 months ago Use bytes + memoryview + resize instead of bytesarray + array in io.RawIOBase.read has PR open tzickel
25095 5 months ago test_httpservers hangs since Python 3.5 has PR open terry.reedy
32215 6 months ago sqlite3 400x-600x slower depending on formatting of an UPDATE statement in a string has patch has PR open bforst
34749 6 months ago improve performance of binascii.a2b_base64() has PR open sir-sigurd
34488 6 months ago improve performance of BytesIO.writelines() by avoiding creation of unused PyLongs has PR open sir-sigurd
24076 7 months ago sum() several times slower on Python 3 64-bit has patch open lukasz.langa
34303 7 months ago micro-optimizations in functools.reduce() has PR open sir-sigurd
33092 7 months ago The bytecode for f-string formatting is inefficient. has PR open Mark.Shannon
34152 8 months ago performance of some list slice assignment margin cases can be improved has PR open sir-sigurd
32949 8 months ago Simplify "with"-related opcodes has PR open serhiy.storchaka
27575 9 months ago dict viewkeys intersection slow for large dicts has patch has PR open David Su2
33521 9 months ago Add 1.32x faster C implementation of asyncio.isfuture(). has patch has PR open jimmylai
32411 10 months ago Idlelib.browser: stop sorting dicts created by pyclbr has PR open terry.reedy
32534 10 months ago Speed-up list.insert: use memmove() has PR open jeethu
33440 10 months ago Possible lazy import opportunities in `pathlib` has PR open ncoghlan
21592 10 months ago Make statistics.median run in linear time has patch has PR open thomasahle
33431 10 months ago Change description about doc in programming, faq. has PR open lvhuiyang
32616 10 months ago Significant performance problems with Python 2.7 built with clang 3.x or 4.x has PR open zmwangx
33228 11 months ago Use Random.choices in tempfile has PR open wolma
26219 13 months ago implement per-opcode cache in ceval has patch open yselivanov
32196 14 months ago Rewrite plistlib with functional style has PR open serhiy.storchaka
31484 18 months ago Cache single-character strings outside of the Latin1 range has PR open serhiy.storchaka
28060 20 months ago Clean up division fast paths in Objects/longobject.c has patch open mark.dickinson
30509 21 months ago Optimize calling type slots has patch has PR open serhiy.storchaka
26280 22 months ago ceval: Optimize list[int] (subscript) operation similarly to CPython 2.7 has patch open yselivanov
29533 23 months ago urllib2 works slowly with proxy on windows has patch has PR open juliadolgova
10399 24 months ago AST Optimization: inlining of function calls has patch open dmalcolm
29410 24 months ago Moving to SipHash-1-3 has patch open inada.naoki
24165 27 months ago Free list for single-digits ints has patch open serhiy.storchaka
28158 27 months ago Implement LOAD_GLOBAL opcode cache has patch open yselivanov
11322 27 months ago encoding package's normalize_encoding() function is too slow has patch open lemburg
14757 30 months ago INCA: Inline Caching meets Quickening in Python 3.3 has patch open sbrunthaler
13564 30 months ago ftplib and sendfile() has patch open giampaolo.rodola
24424 33 months ago xml.dom.minidom: performance issue with Node.insertBefore() has patch open Robert Haschke
4821 33 months ago Patches for thread-support in built-in SHA modules has patch open ebfe
25702 34 months ago Link Time Optimizations support for GCC and CLANG has patch open alecsandru.patrascu
26049 34 months ago Poor performance when reading large xmlrpc data has patch open pokoli
26285 37 months ago Garbage collection of unused input sections from CPython binaries has patch open alecsandru.patrascu
25881 39 months ago A little faster ElementTree serializing has patch open serhiy.storchaka
25469 41 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 vilnis.termanis
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