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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...
Ben has stopped talking to Claude directly. Matt hasn't opened his editor in days. They try to work out whether this is fun, programming, or...
Ben asks a simple question about performance and Matt talks for 46 minutes. The one true use case for linked lists is revealed, and a part t...
Ben interviews Matt with a deceptively simple question: make my program go fast. 44 minutes later, robot dogs are falling over, Grace Hopper...
Ben wipes his PC over Thanksgiving and installs Ubuntu for gaming. Matt recalls the dark days of himem.sys and IRQ conflicts. The universe w...
Ben's new TCP backpressure explanation: conveyor belts full. Matt zooms out and mistakes his factory for a Pentium 2. Ben plans to switch to...
Ben worries replacing juniors with LLMs creates a future hiring crisis - who'll train the robot-wranglers? Matt blames COVID brain fog, then...
Matt returns from CppCon with a cold, three talks, and a keynote title Reddit hates. Ben immediately declares Reddit dumb. The hosts discuss...
Matt and Ben discuss running in production; from running processes in screen to battling systemd configuration files. Ben sketches out daemo...
Matt uses you as his therapist to vent about three days fighting systemd and boot time. Ben patiently listens while Matt explains why mounti...
Matt and Ben explore how experience lets you run across water instead of drowning in options. Ben explains why he doesn't need a life preser...
Ben recounts his 2007 startup building a database chatbot (before LLMs were cool). Matt tries their methods live with Claude. Ben foolishly...
Matt and Ben discuss programming language debates sparked by an old talk that went viral. They explore how Matt's C++ safety tips convinced...
Matt and Ben explore the intersection of testing, metrics, and observability in performance-critical code. They debate push vs pull metric s...
Matt and Ben explore the new world of AI-assisted coding: is it like pairing with junior developer? Matt gets the recording working the seco...
Ben and Matt wade into the deep waters of messaging systems, get utterly lost in time synchronization rabbit holes, and discover their new p...
Ben unveils his latest acronym-based software discussion framework while Matt patiently waits for the punchline. Our hosts explore alternati...
Matt and Ben unpack the mysteries of remote work and programmer productivity, with a side of two's complement philosophy. Featuring unexpect...
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 ri...
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 sta...
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 d...
Our hosts congratulate themselves on finally having decent microphones. Matt quizzes Ben on his "Deploy First" approach to software developm...
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, fig...
Matt and Ben explore the unfortunate death and rebirth pattern of software systems. Ben botches a quote from Bjarne Stroustrup, and then exp...
In flagrant violation of Betteridge's Law, Ben and Matt consider the question 'Is Optimization Refactoring?' and conclude that the answer is...
Matt ponders the future of his accidentally eponymous hobby project. Ben offers thoughtful consideration while waiting for the right opportu...
Ben and Matt discuss their transition to using ARM-based Apple Silicon laptops for their day jobs. Ben rewrites Bash into Java because it ma...
Matt and Ben describe how to build a developer automation interface with Make, a ubiquitous build tool that can be conveniently inflicted on...
Ben and Matt discuss the original definition of technical debt a metaphor created by Ward Cunningham to explain why software designs that we...
Matt and Ben talk about when it's OK to copy and paste code. Matt explains how helpful compilers take the time-saving step of copying and pa...
Ben and Matt compare iterative and incremental approaches to software development. To everyone's astonishment, they turn out to be different...
Matt and Ben talk about how compression works, specifically deflate, which is apparently everywhere. Ben gets particular about compression r...
Ben and Matt comment on different types of comments in code. Join our hosts and they explore both good and bad types of comments, from the e...
Ben ventures into the forest, finds a tree traversal problem, and then fails his will save and gets fascinated by a hash map. Matt suggests...
Matt and Ben talk about what they would do if they founded a game studio. And ASICs. And testing because why not. Join our hosts as they spe...
Ben and Matt finish shaving the yak from the prior episode. While waiting for DNS certificate validation to complete, our hosts discuss the...
Matt and Ben hit the record button while shaving a yak and then attempt to pass it off as a podcast episode. Join our hosts as they troubles...
Ben and Matt borrow a title from J.B. Rainsberger and talk about how integration tests want to take all your money. Or time. Same thing.
How do you solve a problem like Compiler Explorer sponsors? Matt digs into a surprisingly interesting algorithm problem that is in no way re...
Ben and Matt descend like Orpheus into the horrifically awful world of tech interviews, to try and extract some sort of humanity from the pr...
Matt and Ben explore their mutual tendency to favor build over buy. Instead of using open source software that may be free-as-in-puppy, our...
Ben and Matt examine how fast computers are by comparing them to humans. Turns out they're mind-boggling-ly fast. Or maybe humans are just s...
Matt and Ben discuss the Rust programming language, recall some hobby projects they've used it for, and speculate about where else it might...
Ben and Matt chat about the Swift programming language with special guest (and Swift creator) Doug Gregor . Doug teaches us a thing or two a...
Ben and Matt talk Carbon, the new language backed by Google, designed to be a successor to C++. Matt discusses his involvement with the proj...
Matt and Ben discuss the idiosyncratic way that they learned to build web applications for trading. If latency and correctness were paramoun...
Ben and Matt compare container technologies like Docker to virtual machines, and discuss the tradeoffs when deploying applications. Matt exp...
Matt and Ben talk, about uh...golf? What? Is this right? Did you check this? Apparently, in this episode, Ben explains how technology and an...
Ben and Matt talk about various styles of asynchronous programming, ranging from Node.js, Ruby's EventMachine, C++ coroutines, and the new J...
Matt and Ben both recall their prior adventures founding companies that sold tools for software developers. What's the best approach to this...
Ben and Matt have a work conversation spill over into podcast. Join our hosts as they compare Java and C++ as two possible languages for a n...