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All you need is λ, part one: booleans
Words by Rob Rix.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,842 posts.
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Decimating Array.Sort with AVX2
Decimating Array.Sort with AVX2. I ended up going down the rabbit hole re-implementing array sorting with AVX2 intrinsics. There’s no reason I should go down alone.
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Compiling ML models to C for fun
We make micrograd fly with a little compiler magic. In this post, we’ll write a ML compiler from scratch.
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How to Learn Hacking
The “ hacking ” we'll be talking about in this document is exploratory programming in an open-source environment. If you think “ hacking ” has anything to do with computer crime or security breaking and came here to learn that, you can go away now. There's nothing for you here.
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Bevy 0.11: ECS-driven game engine built in Rust
Thanks to 166 contributors, 522 pull requests, community reviewers, and our generous sponsors, we're happy to announce the Bevy 0.11 release on crates…
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How stdbuf works
Harry Marr — Member of Technical Staff at Anthropic. Co-founded Dependabot, previously at GitHub, Monzo, and GoCardless.
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Building a baseline JIT for Lua automatically (2023)
This is the Part 2 of a series. Feel free to read the prequel for more context: Building the fastest Lua interpreter automatically Building a good VM for a dynamic language takes a ton of engineerin
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Powering the Python Package Index
The Python Package Index, or as most call it “PyPI” is a central part of the ecosystem of Python. It serves as a central registry of names, helping to prevent collision between different projects as well as the default repository that most Python users go to when looking for software. Though it has its issues (of…
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Our journey from a Python monolith to a managed platform
Dropbox, to our customers, needs to be a reliable and responsive service. As a company, we’ve had to scale constantly since our start, today serving more than 700M registered users in every time zone on the planet who generate at least 300,000 requests per second. Systems that worked great for a startup hadn’t scaled…
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Resilience and Waste in Software Teams
Resilience is coping with unexpected events and environmental change. To have resilience, you need slack. Slack in software development lets people do the little tasks that keep the work moving smo…
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Tracking down a 25% Regression on LLVM RISC-V
Similar to the previous post, this post covers my analysis of a benchmark on RISC-V targets. Unlike the previous post, I was able to land a patch to eliminate the performance gap to GCC (for this benchmark)!
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The Real Deal About rel="me"
Earlier today , Barry Schwartz published a piece over on Search Engine Roundtable called Google Does Not Use rel=me Microformats . The article got shared around Twitter a lot, and those tweets surfaced on the microformats IRC channel . In it he mentions a few things that I would like to respond to, that is probably…
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Giving Mono Souper Powers
By virtue of using LLVM, Mono has access to a wide suite of tools and optimization backends. A lot of active research uses LLVM IR. One such research project, Souper, tries to brute-force a search for missed optimizations in our emitted code. The .NET community may have software projects that benefit from using Souper…
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PyOxidizer 0.8
I am very excited to announce the 0.8 release of PyOxidizer , a modern Python application packaging tool. You can find the full changelog in the docs . First time user? See the Getting Started documentation.
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IOS Integration Testing by Square
The Corner is Square's technical blog covering software engineering, APIs, data, open source and more.
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Best practices for optimizing Lambda functions
Learn how to get the most out of your serverless functions
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CockroachDB Interactive, D3-Powered Simulations
An interactive demo (using D3) of CockroachDB. Watch as CockroachDB evolves with your application, from proof-of-concept, to multi-node cluster, to international deployment.
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Techniques for Training Large Neural Networks
Large neural networks are at the core of many recent advances in AI, but training them is a difficult engineering and research challenge which requires orchestrating a cluster of GPUs to perform a single synchronized calculation.
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Impact JavaScript Game Engine for iOS
I know you're waiting for the release of the Impact Game Engine , and I promise you, it's coming. I just get distracted too easily. So here's my game Biolab Disaster running on the iPhone 3GS with 60 frames per second:
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Evidence-based Software Engineering – book beta
My book, Evidence-based software engineering: based on the publicly available data is now out on beta final release ( pdf , and code+data ). The plan is for a three-month review, with the final version available in the shops in time for Christmas (I plan to get a few hundred printed, and made available on Amazon).
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Solving murder with Prolog
In our company we usually have a fun quiz every sunday and this was one of them
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How I developed a faster Ruby interpreter (2022)
Learn about 8 optimization techniques for a faster interpreter in Ruby which I developed using a dynamically specialized internal representation (IR).