Archive - Confessions of a Code Addict

Two Threads, One Core: How Simultaneous Multithreading Works Under the Hood

Ever wondered how your CPU handles two tasks at once? Discover the magic of Simultaneous Multithreading and see what’s really going on inside.

Jul 24 •

Abhinav Upadhyay

Recording: How Hyper-Threading Works — A Microarchitectural Perspective

Last weekend, we did a live session on the architecture of the hyper-threading (simultaneous multithreading) implementation in Intel’s x86 processors…

Jul 8 •

Abhinav Upadhyay

1:09:29

June 2024

Substack has Failed Indian Creators

Dear subscribers, This is not my usual deep technical post, it’s going to be a rant about the problems I (and many other Indian writers) have faced in…

Jun 27 •

Abhinav Upadhyay

All Set! Looking Under the Hood of Python's Set Data Structure

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

Jun 25 •

Abhinav Upadhyay

Live Session: How Hyper-Threading (Simultaneous Multithreading) Works — A Microarchitectural Perspective

Learn about the microarchitecture implementation of SMT & its performance implications

Jun 20 •

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. We learned the internals that are required to build such tools…

Jun 3 •

Abhinav Upadhyay

1:23:08

Everything You Wanted to Know About Profilers in Python

Learn what profilers are, when to use them and quick demo of few profilers for Python

Jun 1 •

Abhinav Upadhyay

27:40

May 2024

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

Live Session: CPython and ELF Essentials for Building a Basic Remote Profiler

Learn some CPython internals, ELF file format and loading, and how remote profilers work

May 11 •

Abhinav Upadhyay

April 2024

Live Session: CPython Memory Management Internals

Last week we concluded the live session on the internals of the CPython’s main bytecode interpreter (the VM), and the response from the attendees has…

Apr 30 •

Abhinav Upadhyay

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