CPython Internals

An Unreachable Hidden XKCD Easter Egg inside CPython

No, I'm not talking about import antigravity

Nov 18 •

Abhinav Upadhyay

The Pythonic Emptiness

Why the Pythonic way of doing emptiness check on sequences is not necessarily ambiguous in most cases

Nov 9 •

Abhinav Upadhyay

CPython's Garbage Collector and its Impact on Application Performance

Learn how the knowledge of CPython internals translate into performance insights for your code

Oct 2 •

Abhinav Upadhyay

The Design & Implementation of the CPython Virtual Machine

A deep dive into CPython's bytecode instruction format and execution engine internals

Aug 31 •

Abhinav Upadhyay

CPython Internals: What Happens Before Bytecode Execution Starts

Learn about runtime initialization, parsing and compilation of the Python code into bytecode leading to execution on the virtual machine

Aug 30 •

Abhinav Upadhyay

Are Function Calls Still Slow in Python? An Analysis of Recent Optimizations in CPython

How costly it is to call functions and builtins in your python code? Does inlining help? How have the recent CPython releases improved performance in…

Aug 8 •

Abhinav Upadhyay

Looking Under the Hood of Python's Set Data Structure

Learn everything about hash tables, collision handling, and performance optimization

Jun 25 •

Abhinav Upadhyay

CPython Garbage Collection: The Internal Mechanics and Algorithms

A detailed code walkthrough of how CPython implements memory management, including reference counting and garbage collection

Jun 11 •

Abhinav Upadhyay

Recording: CPython and ELF Essentials for Building a Basic Remote Profiler

Yesterday, we did the live session on the internals of remote sampling profilers.

Jun 3 •

Abhinav Upadhyay

1:23:08

How Python Compares Floats and Ints: When Equals Isn’t Really Equal

Another Python gotcha and an investigation into its internals to understand why this happens

May 24 •

Abhinav Upadhyay

CPython Memory Management Internals

A high-level but detailed explanation of how CPython implements memory management

May 16 •

Abhinav Upadhyay

1:04:11

Recording of Live Session on CPython Virtual Machine Internals

Yesterday we concluded the live session on the internals of the CPython virtual machine (VM) or the bytecode interpreter implementation.

Apr 28 •

Abhinav Upadhyay

1:24:35

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