Is Your Python Code Unsafe? GIL’s Hidden Secret

Daniel Boctor · Beginner ·🏗️ Systems Design & Architecture ·2y ago

About this lesson

In this video, we take a deep dive into the inner mechanics of Python's Global Interpreter Lock (GIL), which is a must for all threading and multiprocessing devs, and expose a subtle nuance, which could potentially make your code unsafe. Join us as we explore the impact of GIL on threading and multiprocessing, and discover how it affects the performance and scalability of your Python programs. By the end of this video, you'll gain valuable insights and learn proper threading practices that can help you avoid potential pitfalls. 0:00 - Overview 1:15 - Python threading example 3:50 - Threading 5:46 - GIL (Global Interpreter Lock) 6:24 - CPU bound vs IO bound 7:40 - Purpose of GIL 8:21 - Multiprocessing 9:25 - GILs downfall Source code - https://github.com/daniel-boctor/Daniel-Boctor-Youtube/tree/main/GIL WE HAVE A DISCORD NOW! https://discord.gg/WYqqp7DXbm MUSIC CREDITS: LEMMiNO - Cipher https://youtu.be/b0q5PR1xpA0?si=pUNJUB-ra1ulTJtI CC BY-SA 4.0 LEMMiNO - Nocturnal https://youtu.be/epmoV2HRs9U?si=Rljr2wC0SKYFEruJ CC BY-SA 4.0

Original Description

In this video, we take a deep dive into the inner mechanics of Python's Global Interpreter Lock (GIL), which is a must for all threading and multiprocessing devs, and expose a subtle nuance, which could potentially make your code unsafe. Join us as we explore the impact of GIL on threading and multiprocessing, and discover how it affects the performance and scalability of your Python programs. By the end of this video, you'll gain valuable insights and learn proper threading practices that can help you avoid potential pitfalls. 0:00 - Overview 1:15 - Python threading example 3:50 - Threading 5:46 - GIL (Global Interpreter Lock) 6:24 - CPU bound vs IO bound 7:40 - Purpose of GIL 8:21 - Multiprocessing 9:25 - GILs downfall Source code - https://github.com/daniel-boctor/Daniel-Boctor-Youtube/tree/main/GIL WE HAVE A DISCORD NOW! https://discord.gg/WYqqp7DXbm MUSIC CREDITS: LEMMiNO - Cipher https://youtu.be/b0q5PR1xpA0?si=pUNJUB-ra1ulTJtI CC BY-SA 4.0 LEMMiNO - Nocturnal https://youtu.be/epmoV2HRs9U?si=Rljr2wC0SKYFEruJ CC BY-SA 4.0
Watch on YouTube ↗ (saves to browser)
Sign in to unlock AI tutor explanation · ⚡30

Related Reads

📰
Your event store is already your audit log
Learn how to repurpose your event store as an audit log, reducing development overhead and improving data consistency
Dev.to · Marc
 📰
Distributed Transactions in System Design: Why Data Consistency Becomes Hard Once Your Application…
Learn how distributed transactions impact data consistency in system design and why it's crucial for scalable applications
Medium · Programming
 📰
Monolith vs Microservices: A Real-World Architectural Autopsy
Learn to decide between monolith and microservices architectures for your project and why it matters for scalability and maintainability
Dev.to · Erwin Wilson Ceniza2
 📰
FOV in FPS Games: The Math Behind Field of View Settings
Learn the math behind Field of View settings in FPS games and how to optimize your gameplay experience
Dev.to · Alex Carter

Chapters (8)

Overview
1:15 Python threading example
3:50 Threading
5:46 GIL (Global Interpreter Lock)
6:24 CPU bound vs IO bound
7:40 Purpose of GIL
8:21 Multiprocessing
9:25 GILs downfall
Up next
Retracing It All With My Son
Ginny Clarke
Watch →