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Issues list

JIT: improve memory allocation 3.14 new features, bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-JIT type-feature A feature request or enhancement
#119730 opened May 29, 2024 by diegorusso
@brandtbucher
6
Stop manually interning strings in pathlib performance Performance or resource usage topic-pathlib
#119518 opened May 24, 2024 by barneygale
6
Further improve import time of importlib.metadata performance Performance or resource usage topic-importlib type-feature A feature request or enhancement
#118761 opened May 8, 2024 by layday
Dramatic slowdown with random.random on free-threading build. performance Performance or resource usage topic-free-threading
#118392 opened Apr 29, 2024 by corona10
5
Increase fraction of code executed by tier 2. 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#118093 opened Apr 19, 2024 by markshannon
2 of 3 tasks
Inspect module is prohibitively expensive to import performance Performance or resource usage type-feature A feature request or enhancement
#117865 opened Apr 14, 2024 by jaraco
9
pickle.load() significantly slows down with each call on Windows11 but not on Linux OS-windows performance Performance or resource usage type-bug An unexpected behavior, bug, or error
#117545 opened Apr 4, 2024 by msspad
2
Choose number of replications based on data 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#117453 opened Apr 2, 2024 by markshannon
@mdboom
1
Improve performance of startswith, endswith, count, *find, and *index methods for str, bytes and bytearray 3.13 bugs and security fixes performance Performance or resource usage type-feature A feature request or enhancement
#117431 opened Apr 1, 2024 by eendebakpt
3
performance: can we update io.DEFAULT_BUFFER_SIZE to make python IO 3 times faster? :) performance Performance or resource usage stdlib Python modules in the Lib dir topic-IO
#117151 opened Mar 22, 2024 by morotti
9
pystats: Improve with JIT builds performance Performance or resource usage topic-JIT type-feature A feature request or enhancement
#117121 opened Mar 21, 2024 by mdboom
@mdboom
4
C OrderedDict's od_fast_nodes allocation might be 50% larger than necessary? performance Performance or resource usage
#117096 opened Mar 20, 2024 by masklinn
@ericsnowcurrently @serhiy-storchaka
1
Optimizer calls getenv on every optimization run performance Performance or resource usage type-bug An unexpected behavior, bug, or error
#116772 opened Mar 14, 2024 by mdboom
1
Type propagate CONTAINS_OP interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#116432 opened Mar 6, 2024 by Fidget-Spinner
Speed up glob.glob() by reducing number of system calls made performance Performance or resource usage
#116380 opened Mar 5, 2024 by barneygale
RotatingFileHandler formats the record twice performance Performance or resource usage
#116267 opened Mar 3, 2024 by serhiy-storchaka
1
Tier 2 superuops interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#116202 opened Mar 1, 2024 by Fidget-Spinner
@Fidget-Spinner
Improving JIT code quality 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-JIT
#115802 opened Feb 22, 2024 by brandtbucher
5 of 13 tasks
@brandtbucher
1
Use static analysis to assist inlining values and compact object layout. 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#115775 opened Feb 21, 2024 by markshannon
5
Accelerate DJBX33A hash algorithm by "unoptimizing" it performance Performance or resource usage type-feature A feature request or enhancement
#115704 opened Feb 20, 2024 by PeterYang12
@gpshead
7
Type/constant/value propagation for BINARY_OP interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#115480 opened Feb 14, 2024 by Fidget-Spinner
1
Allow the object arena allocator to use malloc/free rather than mmap/munmap build The build process and cross-build interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#115429 opened Feb 13, 2024 by gpshead
7
Tier 2 optimizations for 3.13 interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#115419 opened Feb 13, 2024 by markshannon
19 of 32 tasks
2
Improve performance for temporary containers modification performance Performance or resource usage type-feature A feature request or enhancement
#115267 opened Feb 11, 2024 by pvlkhn
1
itertools.combinations complexity enhancement extension-modules C modules in the Modules dir performance Performance or resource usage
#113876 opened Jan 9, 2024 by adriancretu
@rhettinger
5
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