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ID Activity Title Status Creator
normal
37340 24 months ago remove free_list for bound method objects has PR open methane
37295 24 months ago Possible optimizations for math.comb() has patch has PR open rhettinger
37159 24 months ago Use copy_file_range() in shutil.copyfile() (server-side copy) has patch open giampaolo.rodola
37157 24 months ago shutil: add reflink=False to file copy functions to control clone/CoW copies (use copy_file_range) has patch open vstinner
35210 24 months ago Use bytes + memoryview + resize instead of bytesarray + array in io.RawIOBase.read has PR open tzickel
34396 24 months ago Certain methods that heap allocated subtypes inherit suffer a 50-80% performance penalty has PR open bup
33964 24 months ago IDLE maxosc.overrideRootMenu: remove unused menudict has PR open terry.reedy
33521 24 months ago Add 1.32x faster C implementation of asyncio.isfuture(). has patch has PR open jimmylai
33440 24 months ago Possible lazy import opportunities in `pathlib` has PR open ncoghlan
33326 24 months ago Convert collections (cmp_op, hasconst, hasname and others) in opcode module to more optimal type has PR open godaygo
33092 24 months ago The bytecode for f-string formatting is inefficient. has PR open Mark.Shannon
32196 24 months ago Rewrite plistlib with functional style has PR open serhiy.storchaka
30509 24 months ago Optimize calling type slots has patch has PR open serhiy.storchaka
29533 24 months ago urllib2 works slowly with proxy on windows has patch has PR open juliadolgova
28607 24 months ago C implementation of parts of copy.deepcopy has patch open villemoes
28307 24 months ago Accelerate 'string' % (value, ...) by using formatted string literals has PR open serhiy.storchaka
28060 24 months ago Clean up division fast paths in Objects/longobject.c has patch open mark.dickinson
26285 24 months ago Garbage collection of unused input sections from CPython binaries has patch open alecsandru.patrascu
26049 24 months ago Poor performance when reading large xmlrpc data has patch open pokoli
25881 24 months ago A little faster ElementTree serializing has patch open serhiy.storchaka
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 vilnis.termanis
25095 24 months ago test_httpservers hangs since Python 3.5 has PR open terry.reedy
24424 24 months ago xml.dom.minidom: performance issue with Node.insertBefore() has patch open Robert Haschke
23553 24 months ago Reduce the number of comparisons for range checking. has patch open rhettinger
23376 24 months ago getargs.c: redundant C-contiguity check has patch open skrah
21592 24 months ago Make statistics.median run in linear time has patch has PR open thomasahle
20297 24 months ago concurrent.futures.as_completed() installs waiters for already completed Futures has patch open glangford
18003 24 months ago lzma module very slow with line-oriented reading. has patch open Michael.Fox
15903 24 months ago Make rawiobase_read() read directly to bytes object has patch open sbt
15381 24 months ago Optimize BytesIO to do less reallocations when written, similarly to StringIO has patch open eli.bendersky
15139 24 months ago Speed up threading.Condition wakeup has patch open kristjan.jonsson
14757 24 months ago INCA: Inline Caching meets Quickening in Python 3.3 has patch open sbrunthaler
13788 24 months ago os.closerange optimization has patch open ferringb
13564 24 months ago ftplib and sendfile() has patch open giampaolo.rodola
13559 24 months ago Use sendfile where possible in httplib has patch open benjamin.peterson
12807 24 months ago Optimization/refactoring for {bytearray, bytes, unicode}.strip() has patch open jcon
11322 24 months ago encoding package's normalize_encoding() function is too slow has patch open lemburg
10399 24 months ago AST Optimization: inlining of function calls has patch open dmalcolm
7594 24 months ago shlex refactoring has patch open ferringb
4821 24 months ago Patches for thread-support in built-in SHA modules has patch open ebfe
4818 24 months ago Patch for thread-support in md5module.c has patch open ebfe
2159 24 months ago dbmmodule inquiry function is performance prohibitive has patch open johansen
1677872 24 months ago Efficient reverse line iterator has patch open mark_t_russell
1610654 24 months ago cgi.py multipart/form-data has patch open teyc
1572968 24 months ago release GIL while doing I/O operations in the mmap module has PR open luks
1442493 24 months ago IDLE shell window gets very slow when displaying long lines has patch open drhok
1243730 24 months ago Big speedup in email message parsing has patch open lpd
low
44331 24 months ago Generate static PyCodeObjects for faster startup has PR open nascheme
44165 24 months ago [sqlite3] sqlite3_prepare_v2 micro optimisation: pass string size has PR open erlendaasland
38456 24 months ago Reduce the time test_subprocess takes to complete. has PR open gregory.p.smith
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