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Confessions of a Code Addict

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How and Why fork() Uses Copy-on-Write In this video, we look at why fork() needs copy-on-write, how it works inside the kernel, and a...
4 days ago
1

How and Why fork() Uses Copy-on-Write

from Confessions of a Code Addict [alt+shift+b] in programming

4 days ago
In this video, we look at why fork() needs copy-on-write, how it works inside the kernel, and a memory usage problem that Instagram encountered with Python.
How Copy-on-Write Works with Memory-Mapped Files Let’s step inside the kernel and understand how it implements copy-on-write and what are its...
a week ago
1

How Copy-on-Write Works with Memory-Mapped Files

from Confessions of a Code Addict [alt+shift+b] in programming

a week ago
Let’s step inside the kernel and understand how it implements copy-on-write and what are its implications for the performance of user-space systems
x86 Addressing Modes, Part 2: Indirect, Indexed, and Offset-based Modes In this final part on addressing modes, we learn about indirect, indexed and offset-based addressing...
9th Aug 2026
1

x86 Addressing Modes, Part 2: Indirect, Indexed, and Offset-based Modes

from Confessions of a Code Addict [alt+shift+b] in programming

9th Aug 2026
In this final part on addressing modes, we learn about indirect, indexed and offset-based addressing modes along with some interesting examples and exercises.
Why Git Has a Variable Named false_but_the_compiler_does_not_know_it A small C trick that keeps Clang from flagging valid code as unreachable
3rd Jun 2026
1

Why Git Has a Variable Named false_but_the_compiler_does_not_know_it

from Confessions of a Code Addict [alt+shift+b] in programming

3rd Jun 2026
A small C trick that keeps Clang from flagging valid code as unreachable
Virtual Memory: A Deep Dive into Page Tables, TLBs, and Linux Internals From page faults to NUMA topology: how the Linux kernel manages memory, and what that means for the...
10th May 2026
1

Virtual Memory: A Deep Dive into Page Tables, TLBs, and Linux Internals

from Confessions of a Code Addict [alt+shift+b] in programming

10th May 2026
From page faults to NUMA topology: how the Linux kernel manages memory, and what that means for the performance of data-intensive systems.
How PyTorch Generates Random Numbers in Parallel on the GPU A deep dive into Philox and counter-based RNGs
18th Dec 2025
1

How PyTorch Generates Random Numbers in Parallel on the GPU

from Confessions of a Code Addict [alt+shift+b] in programming

18th Dec 2025
A deep dive into Philox and counter-based RNGs
x86 Addressing Modes, Part 1 — Immediate and Direct Access The foundations of memory access: static allocation, addressing modes, and the first steps toward...
12th Nov 2025
1

x86 Addressing Modes, Part 1 — Immediate and Direct Access

from Confessions of a Code Addict [alt+shift+b] in programming

12th Nov 2025
The foundations of memory access: static allocation, addressing modes, and the first steps toward low-level thinking.
My Top 5 Favourite Features in Python 3.14 Exploring the concurrency, debugging, and performance upgrades that make Python 3.14 special.
11th Oct 2025
22

My Top 5 Favourite Features in Python 3.14

from Confessions of a Code Addict [alt+shift+b] in programming

11th Oct 2025
Exploring the concurrency, debugging, and performance upgrades that make Python 3.14 special.
What Makes System Calls Expensive: A Linux Internals Deep Dive An explanation of how Linux handles system calls on x86-64 and why they show up as expensive...
16th Sep 2025
22

What Makes System Calls Expensive: A Linux Internals Deep Dive

from Confessions of a Code Addict [alt+shift+b] in programming

16th Sep 2025
An explanation of how Linux handles system calls on x86-64 and why they show up as expensive operations in performance profiles
Big O vs Hardware: Better Complexity ≠ Better Performance Why Your O(log n) Algorithm Might Lose to O(n)
3rd Aug 2025
44

Big O vs Hardware: Better Complexity ≠ Better Performance

from Confessions of a Code Addict [alt+shift+b] in programming

3rd Aug 2025
Why Your O(log n) Algorithm Might Lose to O(n)
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