Digital Grove

Demystifying Debuggers, Part 5: Instruction-Level Stepping & Breakpoints

Unpacking how kernel and CPU debugger mechanisms can be used to implement instruction-level stepping and breakpoints.

Feb 21 • Ryan Fleury

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Demystifying Debuggers, Part 4: CPU Features & Debuggers

On CPU features that debuggers can use, like interruption instructions, debug registers, single-stepping mode, and more.

Feb 16 • Ryan Fleury

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January 2026

The Magic of the Better Software Conference

Why BSC worked; why other conferences don't.

Jan 15 • Ryan Fleury

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November 2025

Desktop Abstraction and OS Design — Video Discussion w/ Sam Smith

A video call I had with Sam Smith—creator of the Serenum operating system—about fundamental concepts in operating system design pertaining to user-space…

Nov 20, 2025 • Ryan Fleury

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October 2025

Multi-Core By Default

On multi-core programming, not as a special-case technique, but as a new dimension in all code.

Oct 10, 2025 • Ryan Fleury

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September 2025

Multithreaded Radix Sort Implementation Walkthrough

A stream clip where I was asked about a multithreaded radix sort.

Sep 4, 2025 • Ryan Fleury

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24:16

July 2025

Cracking the Code: Realtime Debugger Visualization Architecture – BSC 2025

My talk at the 2025 Better Software Conference.

Jul 23, 2025 • Ryan Fleury

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December 2024

Demystifying Debuggers, Part 3: Debugger-Kernel Interaction

On how kernels collect and expose information about program execution to debuggers.

Dec 28, 2024 • Ryan Fleury

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Demystifying Debuggers, Part 2: The Anatomy Of A Running Program

On the concepts involved in a running program. What happens, exactly, when you double click an executable file, or launch it from the command line, and…

Dec 23, 2024 • Ryan Fleury

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Demystifying Debuggers, Part 1: A Busy Intersection

An introduction to a new post series covering debugger basics.

Dec 16, 2024 • Ryan Fleury

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Programmers Are Users (Bad Performance Makes Everyone Less Efficient)

On the often-referenced notion of saving “programmer cycles” at the expense of CPU cycles.

Dec 6, 2024 • Ryan Fleury

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July 2024

Codebase Walkthrough: Multi-Window, Panel-Tree UI

Building a multi-window, panel-tree UI sample in the codebase.

Jul 8, 2024 • Ryan Fleury

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1:07:00