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Debugging X86-64 Assembly with GDB
Watch now (20 mins) | Learn how to inspect registers, step through instructions, and investigate crashes using GDB.
May 26
•
Abhinav Upadhyay
18
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Confessions of a Code Addict
Debugging X86-64 Assembly with GDB
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19:40
Building (and Breaking) Your First X86 Assembly Program
We build a minimal X86 assembly program, run it… and hit a crash. But that crash is exactly what makes this program worth writing.
May 16
•
Abhinav Upadhyay
8
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Confessions of a Code Addict
Building (and Breaking) Your First X86 Assembly Program
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3
The System-Level Foundation of Assembly
Tracing how the CPU, OS, and ELF format shape the structure of your assembly code
May 5
•
Abhinav Upadhyay
24
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Confessions of a Code Addict
The System-Level Foundation of Assembly
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April 2025
Binary Arithmetic and Bitwise Operations for Systems Programming
Understand how computers represent numbers and perform operations at the bit level before diving into assembly
Apr 12
•
Abhinav Upadhyay
27
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Confessions of a Code Addict
Binary Arithmetic and Bitwise Operations for Systems Programming
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Understanding Computer Organization from First Principles
A ground-up model of how computers execute code, starting from logic gates and ending at the instruction cycle.
Apr 5
•
Abhinav Upadhyay
107
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Confessions of a Code Addict
Understanding Computer Organization from First Principles
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March 2025
Hardware-Aware Coding: CPU Architecture Concepts Every Developer Should Know
Write faster code by understanding how it flows through your CPU
Mar 21
•
Abhinav Upadhyay
103
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Confessions of a Code Addict
Hardware-Aware Coding: CPU Architecture Concepts Every Developer Should Know
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Python Performance: Why 'if not list' is 2x Faster Than Using len()
Discover why 'if not mylist' is twice as fast as 'len(mylist) == 0' by examining CPython's VM instructions and object memory access patterns.
Mar 12
•
Abhinav Upadhyay
32
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Confessions of a Code Addict
Python Performance: Why 'if not list' is 2x Faster Than Using len()
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2
February 2025
My Top 15 OS Books: From Theory and Implementation to Systems Programming
A personal guide to the most useful books for understanding operating systems
Feb 18
•
Abhinav Upadhyay
39
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Confessions of a Code Addict
My Top 15 OS Books: From Theory and Implementation to Systems Programming
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6
Recording: How Modern CPUs Execute Your Code: A Deep Dive into Performance
Watch now | We concluded the latest live session yesterday.
Feb 10
•
Abhinav Upadhyay
16
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Confessions of a Code Addict
Recording: How Modern CPUs Execute Your Code: A Deep Dive into Performance
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1:21:15
January 2025
A Software Engineer's Guide to Reading Research Papers
My personal framework for reading research papers.
Jan 28
•
Abhinav Upadhyay
148
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Confessions of a Code Addict
A Software Engineer's Guide to Reading Research Papers
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Launching Live Courses on Systems Programming
Modern software development has created a paradox: we build increasingly complex systems, yet fewer engineers understand how these systems work under…
Jan 25
•
Abhinav Upadhyay
47
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Confessions of a Code Addict
Launching Live Courses on Systems Programming
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2
Linux Context Switches: The Truth About TLB Flushes
Watch now (22 mins) | Is the TLB really flushed during context switches?
Jan 17
•
Abhinav Upadhyay
13
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Confessions of a Code Addict
Linux Context Switches: The Truth About TLB Flushes
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21:34
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