Why timeit vs perf give different microbenchmark results

Resolving Why timeit vs perf give different microbenchmark results in Python.

February 3, 2026 · 5 min · FixPython

Fix gRPC Python streaming deadlock in production

Resolving gRPC Python streaming deadlock in production in Python.

February 1, 2026 · 4 min · FixPython

Fix multiprocessing shared memory duplicate rows in pandas

Practical fix for multiprocessing shared memory duplicate rows in pandas.

February 1, 2026 · 4 min · FixPython

Fix subprocess communicate deadlock in Python

Fixing subprocess communicate deadlock in Python in Python.

February 1, 2026 · 3 min · FixPython

How cffi vs ctypes impacts performance

Resolving How cffi vs ctypes impacts performance in Python.

February 1, 2026 · 3 min · FixPython

How json vs orjson performance differs in Python

Practical fix for How json vs orjson performance differs in Python.

February 1, 2026 · 4 min · FixPython

How to Detect Open File Descriptor Leaks in Python

Resolving How to Detect Open File Descriptor Leaks in Python in Python.

February 1, 2026 · 3 min · FixPython

Why attrs outperforms dataclass in object creation speed

Resolving Why attrs outperforms dataclass in object creation speed in Python.

February 1, 2026 · 4 min · FixPython

Why buffer protocol speeds up pandas DataFrame I/O

Resolving Why buffer protocol speeds up pandas DataFrame I/O in Python.

February 1, 2026 · 4 min · FixPython

Why CPython GIL hurts CPU-bound threads but not I/O

Common causes of Why CPython GIL hurts CPU-bound threads but not I/O and fixes.

February 1, 2026 · 4 min · FixPython