colesbury

Follow

Sam Gross colesbury

Follow

1.8k followers · 0 following

Meta
New York

Organizations

Pinned Loading

nogil Public

Multithreaded Python without the GIL

Python 2.9k 104
pytorch/pytorch Public

Tensors and Dynamic neural networks in Python with strong GPU acceleration

Python 88.1k 23.6k
facebookarchive/fb.resnet.torch Public archive

Torch implementation of ResNet from http://arxiv.org/abs/1512.03385 and training scripts

Lua 2.3k 665
pytorch/examples Public

A set of examples around pytorch in Vision, Text, Reinforcement Learning, etc.

Python 22.9k 9.6k
pytorch/vision Public

Datasets, Transforms and Models specific to Computer Vision

Python 16.7k 7k
facebookarchive/ztorch Public archive

Complex number support for Torch

C 45 13

1,280 contributions in the last year

Learn how we count contributions

Less

More

Contribution activity

March 2025

Created 39 commits in 4 repositories

Created a pull request in python/cpython that received 25 comments

gh-128364: Fix flaky `test_timeout` test

Issue: gh-128364

+11 −2 lines changed • 25 comments

Opened 22 other pull requests in 1 repository

python/cpython 1 open 19 merged 2 closed

gh-128421: Add locking to most frame object functions
This contribution was made on Mar 19
gh-131269: Avoid binding functions in random.py
This contribution was made on Mar 15
[3.13] gh-130382: add missing _PyReftracerTrack to ceval Py_DECREF (GH-130689)
This contribution was made on Mar 13
gh-131121: Fix _Py_atomic_store_char_relaxed memory order
This contribution was made on Mar 11
gh-131113: Fix data race in dict.popitem()
This contribution was made on Mar 11
gh-110097: Fix flaky test_timeout in test_concurrent_futures.test_process_pool
This contribution was made on Mar 11
gh-130396: Fix thread sanitizer crashes on stack overflow tests
This contribution was made on Mar 7
gh-130957: Use sleeping_retry in test_free_reference
This contribution was made on Mar 7
gh-130954: Fix multiprocessing test_notify_n
This contribution was made on Mar 7
[3.13] gh-130851: Only intern constants of types generated by the compiler (GH-130901)
This contribution was made on Mar 7
gh-110206: Fix multiprocessing test_notify_all
This contribution was made on Mar 6
gh-130920: Fix data race in STORE_SUBSCR_LIST_INT
This contribution was made on Mar 6
[3.13] gh-128364: Fix flaky test_concurrent_futures.test_wait tests (gh-130742)
This contribution was made on Mar 6
gh-130851: Only intern constants of types generated by the compiler
This contribution was made on Mar 5
gh-130851: Skip test_unusual_constants under refleak checker
This contribution was made on Mar 5
[3.13] gh-130794: Process interpreter QSBR queue in _PyMem_AbandonDelayed. (gh-130808)
This contribution was made on Mar 4
gh-130851: Don't crash when deduping unusual code constants.
This contribution was made on Mar 4
Revert "gh-128041: Add terminate_workers and kill_workers methods to ProcessPoolExecutor (GH-128043)"
This contribution was made on Mar 4
gh-130794: Process interpreter QSBR queue in _PyMem_AbandonDelayed.
This contribution was made on Mar 3
gh-128364: Fix flaky test_concurrent_futures.test_wait tests
This contribution was made on Mar 1
Revert "gh-128364: Fix flaky test_timeout test (gh-130724)"
This contribution was made on Mar 1
gh-130730: Fix flaky test_active_children test
This contribution was made on Mar 1

Reviewed 39 pull requests in 2 repositories

python/cpython 25 pull requests

gh-130704: Strength reduce LOAD_FAST{_LOAD_FAST}
This contribution was made on Mar 20
GH-127705: Don't call _Py_ForgetReference before _Py_Dealloc
This contribution was made on Mar 20
gh-128421: add critical section around traceback.tb_next
This contribution was made on Mar 19
gh-131401: fix data races in exception handling
This contribution was made on Mar 19
gh-131401: fix data race in _PyErr_Restore
This contribution was made on Mar 18
gh-128942: make arraymodule.c free-thread safe (lock-free)
This contribution was made on Mar 17
gh-131325: fix sendfile fallback implementation to drain data after writing to transport
This contribution was made on Mar 17
gh-116738: remove multiprocessing suppressions
This contribution was made on Mar 17
GH-131288: silence warning in pycore_ceval.h
This contribution was made on Mar 17
gh-126895: fix readline module in free-threaded build
This contribution was made on Mar 17
gh-127266: avoid data races when updating type slots
This contribution was made on Mar 17
gh-131238: Add explicit include to pycore headers
This contribution was made on Mar 14
GH-127705: Handle trace refs in specialized decref
This contribution was made on Mar 13
[3.11] gh-106883: Make test_current_frames_exceptions_deadlock faster
This contribution was made on Mar 13
gh-131141: fix data race in instrumentation while registering callback
This contribution was made on Mar 12
gh-124622: Add PyThreadState_Ensure() function
This contribution was made on Mar 11
GH-129817: thread safety for tp_flags
This contribution was made on Mar 11
gh-128002: add test_asyncio.test_free_threading to tsan tests
This contribution was made on Mar 11
gh-110206: Fix multiprocessing test_notify_all
This contribution was made on Mar 7
gh-130851: Only intern constants of types generated by the compiler
This contribution was made on Mar 7
gh-130917: update timer and workload in test_signal
This contribution was made on Mar 7
gh-130932: Fix incorrect exception handling in _PyModule_IsPossiblyShadowing
This contribution was made on Mar 7
gh-118331: Fix test_list.ListTest.test_no_memory under trace refs build
This contribution was made on Mar 6
gh-128041: Fix incorrect bullet placement
This contribution was made on Mar 5
gh-128041: Add terminate_workers and kill_workers methods to ProcessPoolExecutor
This contribution was made on Mar 5
Some pull request reviews not shown.

pytorch/pytorch 1 pull request

Enable UBSAN test
This contribution was made on Mar 6

Created an issue in python/cpython that received 8 comments

[Windows] test_wmi: `test_wmi_query_error` test is flaky

Bug report Seen in https://github.com/python/cpython/actions/runs/13606431591/job/38038447105?pr=130724 on both the default and free threading builds:

8 comments

Opened 18 other issues in 3 repositories

python/cpython 12 closed 4 open

Avoid binding functions to temporaries in random.py
This contribution was made on Mar 15
Use pystats for free threading performance statistics
This contribution was made on Mar 14
Deletion of autoTSSkey during runtime finalization is not safe
This contribution was made on Mar 13
_Py_atomic_store_char_relaxed uses wrong memory ordering
This contribution was made on Mar 11
test_concurrent_futures: test_free_reference is flaky
This contribution was made on Mar 7
test_multiprocessing_spawn.test_manager: test_notify_n deadlock
This contribution was made on Mar 7
_PyModule_IsPossiblyShadowing can return -1 without an exception set
This contribution was made on Mar 6
test_math.test_sumprod_stress: "_PyEval_EvalFrameDefault: Assertion `oparg & 1' failed"
This contribution was made on Mar 5
multiprocessing.Process.is_alive() can incorrectly return True after join()
This contribution was made on Mar 5
Possible error in LOAD_FAST_LOAD_FAST opcode: test_statistics: test_kde_random spurious failure
This contribution was made on Mar 4
Python 3.13t crashes when constructing code objects with non-standard constants
This contribution was made on Mar 4
test_list.ListTest.test_no_memory triggers _Py_Dealloc assertion
This contribution was made on Mar 3
test_notify multiprocessing test is flaky
This contribution was made on Mar 1
test_shutdown_default_executor_timeout asyncio test is flaky
This contribution was made on Mar 1
test_async_error_callback test flaky in test_multiprocessing_spawn.test_processes
This contribution was made on Mar 1
test_active_children multiprocessing test is flaky
This contribution was made on Mar 1

Quansight-Labs/free-threaded-compatibility 1 open

Add a multithreaded performance section
This contribution was made on Mar 14

Quansight-Labs/setup-python 1 open

Switch back to actions/setup-python
This contribution was made on Mar 5