About this episode

The episode discusses the importance of software performance with guest Casey Muratori, who highlights the industry's neglect of this critical aspect.

Brought to You By: • Antithesis – verify your system’s correctness without human review or traditional integration tests – and avoid bugs or outages. • Sentry – application monitoring software considered “not bad” by millions of developers. • turbopuffer – a vector and full-text search engine built on object storage. It’s fast, cheap, and extremely scalable. — There can be few people around who care about software performance more than today’s pod guest, Casey Muratori . He’s a programmer and videogame developer, founder of Molly Rocket , and creator of Handmade Hero – a long-running series about building a game from scratch. He also evangelizes about performance on his Substack, Computer, Enhance . We got to know each other about three years ago, first via messages, including this one from Casey: “Why does the industry zeitgeist place so little emphasis on software performance when there seems to be overwhelming evidence that performance is critical to their bottom line? Like you, I run a Substack for professional programmers, but I focus exclusively on software performance. Although we are quite large by Substack standards, so a certain subset of programmers must believe…

People in this episode

Host: Gergely Orosz

Guest: Casey Muratori

Topics covered

• software performance
• programming
• video game development
• application monitoring
• software correctness

Keywords

• performance
• software
• programming
• video games
• application monitoring
• correctness
• Molly Rocket

Sponsors

Antithesis, Sentry, turbopuffer

Mentioned in this episode

Organizations: Molly Rocket, Handmade Hero, Computer, Enhance

More episodes of The Pragmatic Engineer

• Building Codex with Tibo Sottiaux · September 9, 2026 · 1h 13m
• From Chrome DevTools to AI Engineering, with Addy Osmani · August 19, 2026 · 1h 32m
• Stop being skeptical about AI for development with Charity Majors · August 12, 2026 · 1h 26m
• Formal methods with Hillel Wayne · July 29, 2026 · 1h 24m

Explore listener stats, chart rankings, contacts and more on the The Pragmatic Engineer podcast page.