Frisky and Xarray Example
Let's run Xarray workloads on this new thing I built, Frisky, a Dask scheduler in Rust.
Matthew Rocklin
Personal site of Matthew Rocklin - thoughts on open source, startups, and engineering
Latest posts
Updated Thoughts on AI
Six months into AI-assisted work, the biggest gains come from broad context, cross-domain reasoning, and feedback systems that help agents converge.
Stepping Back
I'm stepping back from Coiled, Dask, and Python OSS to make space for what's next.
Saying Goodbye to Winner-take-all Software
AI makes software easy to build, eroding the winner-take-all dynamics that created tech giants. The future may look less like Google and more like clothing brands
Claude Chic: Week 2
A week of plan mode, custom themes, performance optimizations, and the --yolo flag
Multi-Agent Workflows
Exploring multi-agent AI workflows—what works, what doesn't, and lessons from playing Diplomacy with Claude agents.
Beginning Again
Everyone feels behind on AI, but no one is ahead. That shared beginner status is what makes this moment so fun.
Claude Chic
A Claude code drop-in with updated UX and multi-agent support
AI Zealotry
Senior engineers are best positioned to benefit from AI. We're good enough to avoid slop, and there's so much we can accomplish. I wouldn't go back.
Twitter, LinkedIn, and Failing in Public
LinkedIn shows only the final act. We connect to heroes during their struggles, not their victories. The solution: fail heroically in public.
I Walked across Spain
Reflections from 27 days and 500 miles across Spain. The overlapping physical, social, cultural, and spiritual layers that make this pilgrimage meaningfully different.
Thoughtful Professional Writing
Speaking flows at the speed of thought. Writing forces you to organize first. This is hard on you but easy on your reader.
Transactionalism vs Respect
"Can I ask for your help?" makes me feel like a person who helps people. "I'll pay you back" makes me feel like I'm trading favors. Incentives feel transactional.
Hammers and Nailguns
A nailgun puts nails into wood. A hammer whacks things. Simple tools with humble opinions are more versatile than specialized ones.
Python Support is Socially Complex
When a Python workflow fails, most of the work is diagnosing whose fault it is. The ecosystem's distributed ownership means no one has clear responsibility.
Cloud Computing is Broken
What hunger am I seeing on the ground? Boring shit. People struggle most with the basics of cloud computing. The promise remains undelivered.
Venting and Constructive Communication
Constructive conversation and venting differ by one question: "Will these words help me achieve my goal?" If no, we're probably venting.
SatCamp Retrospective
Satellite imagery's potential is incredible, but companies in this space are struggling. An outsider's first impressions from an unconference in Boulder.
How I Almost Quit My Job, and How Being Selfish Saved Me
When a small amount of your work helps others a great deal, of course you sacrifice. You'd be a monster not to. But your ego can fade in service of your project.
What Does Pangeo 2.0 Look Like?
In 2018 we unveiled a new architecture for scalable cloud Python. It was great, but also fragile and limited. What comes next?