Confessions of a Code Addict
Abhinav UpadhyayDeep dives into compilers, performance optimization, Linux internals, and low-level programming. For engineers who love understanding systems at a fundamental level.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 113 | Founded | 3 years ago | Last Issue | 11 days ago |
| Active | |||||
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blog.codingconfessions.comLatest Issues
Understanding a Process’s Address Space Layout
In this video, we look at how a process’s virtual address space is laid out: code, data, heap, stack, shared libraries, mmap regions, and more.
This is the third video in the virtual memory series based on the virtual memory article/book t...
Why Git Has a Variable Named false_but_the_compiler_does_not_know_it
Today, in weird C code tricks, I want to show you a small example from Git’s source code.
Recently, I was poking around the Git source when a directory name caught my eye, it was named “compiler-tricks”. I thought, “This is a promising nam...
How Large Is the Virtual Address Space?
Watch now | How large is a process’s virtual address space, why is it split between user space and the kernel, and what are canonical virtual addresses?
This video is a continuation of our virtual memory series, based on the article/book I...
Why do we need virtual memory?
Understanding virtual memory from first principles
In my last article, I covered virtual memory in depth. I now want to complement that with a more direct video series explaining virtual memory and its internals.
Virtual Memory: A Deep Dive into Page Tables, TLBs, and Linux Internals
This post is almost a book-level coverage of virtual memory. I have been working on it for the last couple of months.
Since this is a book-length deep dive, I have also prepared a beautifully typeset 60-page PDF/EPUB version for readers wh...
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Authors
The writers behind this newsletter.
I'm a software engineer obsessed with understanding how computers work. I write about Python internals, assembly, operating systems, performance engineering, and the machinery that powers modern software.
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