If you come to a fork in the road, take it! Two’s Complement is a programming podcast, hosted by Matt Godbolt and Ben Rady; two programmers who both grew up wanting to make video games. One of them did, one of them didn’t, but now they both work together despite coming from very different backgrounds.

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Observable Metrics

April 10, 2026 0:39:35 7.28 MB ( 37.64 MB less) Downloads: 0

Matt and Ben explore the intersection of testing, metrics, and observability in performance-critical code. They debate push vs pull metric systems, share war stories from financial trading systems, and ponder what to do when your program can't tell anyone it's in trouble.

Pair Programming with HAL?

March 16, 2025 00:00 32.78 MB Downloads: 0

Matt and Ben explore the new world of AI-assisted coding: is it like pairing with junior developer? Matt gets the recording working the second time, Ben worries about what happens when your business depends on code you don't understand.

Passing Messages

February 13, 2025 00:00 47.66 MB Downloads: 0

Ben and Matt wade into the deep waters of messaging systems, get utterly lost in time synchronization rabbit holes, and discover their new podcast tagline: "We make mistakes so you don't have to." Matt celebrates by getting his car stuck where cars shouldn't go.

Getting CRUFTy

January 12, 2025 00:00 43.02 MB Downloads: 0

Ben unveils his latest acronym-based software discussion framework while Matt patiently waits for the punchline. Our hosts explore alternatives to technical debt, debate the value of naming things, and Matt questions his ability to remember five letters for more than fourteen minutes. Ben has written a blog post going into more detail since the recording.

Are We Remotely Productive?

December 14, 2024 00:00 32.11 MB Downloads: 0

Matt and Ben unpack the mysteries of remote work and programmer productivity, with a side of two's complement philosophy. Featuring unexpected insights, hallway chat nostalgia, and the radical notion that writing less code might actually be winning.

Are Dirty Hands Right?

November 23, 2024 00:00 36.67 MB Downloads: 0

Matt and Ben preach the gospel of "dirty hands are right," then spend 30 minutes explaining why that's completely wrong unless you're the right person, with the right skills, at the right time, working on the right thing. Also, don't cook chicken with dirty hands.

Sequence Locks

October 26, 2024 00:00 55.81 MB Downloads: 0

Matt talks about a work thing, called a sequence lock. Ben suggests some dumb ideas about that work thing. Then our hosts discuss how to starve a reader, anger the Gods of Volatility, and invoke Sylvester Stallone.

The Joy of Programming

September 10, 2024 00:00 43.64 MB Downloads: 0

Matt and Ben realize they love their jobs, and decide to keep doing them. Flow state, to the point where it makes people uncomfortable, is discussed. Also toilet humor. Ben makes an unintentional Sesame Street reference. Matt recalls his level 70 cleric.

Deploy First Development

August 17, 2024 00:00 50.15 MB Downloads: 0

Our hosts congratulate themselves on finally having decent microphones. Matt quizzes Ben on his "Deploy First" approach to software development. Ben explains branch-based deployment environments. He assures Matt he's a mortal. Matt promises to be less rubbish.

Programming Under Pressure

July 20, 2024 00:00 53.64 MB Downloads: 0

Ben and Matt come up with a podcast on the spot, which they do every month but also this month too. Our hosts discuss on-call rotations, fighting (virtual) fires, and working to meet deadlines at the mercy of the world. Ben says the letter 'P' a lot. Matt's brain freezes, but he's OK.

Avoiding Abandonware

June 17, 2024 00:00 52.72 MB Downloads: 0

Matt and Ben explore the unfortunate death and rebirth pattern of software systems. Ben botches a quote from Bjarne Stroustrup, and then explains why you can't go back in time and kill Hitler. Matt exhibits all the bad things when describing a serialization library.

Is Optimization Refactoring?

May 15, 2024 00:00 47.09 MB Downloads: 0

In flagrant violation of Betteridge's Law, Ben and Matt consider the question 'Is Optimization Refactoring?' and conclude that the answer is 'probably'. Ben warns our listener about overspecifying in tests. Matt is horrified by his own assumption that other people's code works.

The Future of Compiler Explorer

April 17, 2024 00:00 35.0 MB Downloads: 0

Matt ponders the future of his accidentally eponymous hobby project. Ben offers thoughtful consideration while waiting for the right opportunity to crack a joke. No lawyers were harmed in the making of this podcast.

Strong ARM

March 17, 2024 00:00 49.04 MB Downloads: 0

Ben and Matt discuss their transition to using ARM-based Apple Silicon laptops for their day jobs. Ben rewrites Bash into Java because it makes his tests run faster. Matt tries to teach VSCode something and winds up writing JSON instead.

make podcast

February 17, 2024 00:00 47.16 MB Downloads: 0

Matt and Ben describe how to build a developer automation interface with Make, a ubiquitous build tool that can be conveniently inflicted on other people. Ben explains a great way to test shell scripts that doesn't work. Matt deletes libbob3.so and then regrets it.