x42005e1f’s gists

x42005e1f / lognint.py

Last active August 12, 2026 07:20

Integer logarithm in O(1) (especially for the C preprocessor)

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2026 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: ISC

	from __future__ import annotations

	import sys

	from math import ceil, log

x42005e1f / _testatomic.pyx

Created April 4, 2026 04:53

A proof of concept: atomics over shared memory

	#!/usr/bin/env cython

	# SPDX-FileCopyrightText: 2026 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: 0BSD

	# cython: freethreading_compatible = True
	# cython: subinterpreters_compatible = own_gil
	# distutils: extra_compile_args = -DCYTHON_USE_MODULE_STATE=1

x42005e1f / fasture.py

Last active June 12, 2026 14:49

A fast future implementation (thread-safe, signal-safe, non-blocking)

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2026 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: ISC

	# requires-python = ">=3.8"
	# dependencies = [
	# "exceptiongroup>=1.3.0; python_version<'3.11'",
	# "typing-extensions>=4.5.0; python_version<'3.12'",
	# ]

x42005e1f / asyncio_guest.py

Last active March 7, 2026 00:38

An experimental guest mode for asyncio (inspired by Trio)

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2026 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: ISC

	# requires-python = ">=3.8"
	# dependencies = [
	# "outcome>=1.0.0",
	# "sniffio>=1.3.0",
	# "wrapt>=2.0.0",

x42005e1f / clocktime.py

Last active March 22, 2026 00:00

Yet another microbenchmarking module (draft)

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2026 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: ISC

	# requires-python = ">=3.8"
	# dependencies = [
	# "aiologic>=0.15.0",
	# "more-itertools>=2.1.0; implementation_name=='cpython'",
	# "typing-extensions>=3.10.0; python_version<'3.10'",

x42005e1f / bytequeue.py

Created December 1, 2025 05:59

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2025 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: 0BSD

	from __future__ import annotations

	import sys

	from contextvars import ContextVar

x42005e1f / patcher.py

Last active August 23, 2025 21:32

Some patches for thread-safety (threading & eventlet)

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2024 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: ISC

	# mypy: disable-error-code="attr-defined, import-untyped, no-untyped-def"
	# pyright: reportAttributeAccessIssue=false, reportOptionalMemberAccess=false

	from __future__ import annotations

x42005e1f / glock.py

Last active June 7, 2026 12:13

A group-level lock (async-aware & thread-aware)

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2025 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: ISC

	from __future__ import annotations

	from collections import OrderedDict
	from typing import TYPE_CHECKING

x42005e1f / rps.py

Last active November 10, 2025 01:36

A rate limiter (async-aware only)

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2022 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: 0BSD

	__all__ = (
	"RPSLock",
	)

	from functools import wraps

x42005e1f / aiologic_fibonacci_bench.py

Last active April 4, 2025 12:27

One of aiologic's most impressive benchmarks

	#!/usr/bin/env python3

	# SPDX-FileCopyrightText: 2024 Ilya Egorov <0x42005e1f@gmail.com>
	# SPDX-License-Identifier: 0BSD

	import sys
	import time
	import threading

	from concurrent.futures import ThreadPoolExecutor, wait

Ilya Egorov x42005e1f