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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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The latest blog posts to take off on Hacker News. 14,543 posts.
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Back of the envelope estimation hacks
There are two types of engineers, the ones that can quickly do estimates and the ones that can’t. Are these people just smarter, or is there more to it? Enrico Fermi was a master at estimation Back of the envelope estimation is a skill that can be learned with practice. It becomes easier once you get familiar with…
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MacOS Catalina: Slow by Design?
In episode 379 of ATP both Marco Arment and John Siracusa described noticeable delays and stalls after upgrading to macOS 10.15.
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One-pass Compiler
A one-pass compiler emits assembly (or binary code) right during parsing, without creating an intermediate representation, such as an AST. This is a rare technique that was used back in the days when computer memory was scarce. This limited both the language features that were possible and the quality of the produced…
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Python Generated Sequence Diagrams
Understanding a system or software architecture simply, truly, absolutely, undoubtedly requires an occasional sequence diagram. I left ...
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Using `make` and `git diff` for a simple and powerful test harness
People regularly go for complex test harnesses; and when you’re in an ecosystem, they can be a good fit. But outside ecosystems, it’s actually quite easy to produce a fairly good test harness.
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Libinput's bus factor is 1 (2019)
A few weeks back, I was at XDC and gave a talk about various current and past input stack developments (well, a subset thereof anyway). On...
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Lovely Week with Elixir
Context It’s not often I get excited about programming languages since meeting Ruby in 2015. Way before that, drowning in misery of writing university course works in Java, has pushed me away from development. Ruby’s freedom and expressiveness was what pulled me back, and its style has kept me in. I was on the lookout…
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Things I hate about Rust
Five years ago, I wrote a post about the things I hated most about my then (and still) favorite scripting language: Ruby.
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Ray tracing in notepad.exe at 30 FPS
I build shaders, renderers, games, and other stuff that's fun to stare at.
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The Liskov Substitution Principle (2019)
In 1987, while delivering a keynote on data abstractions and hierarchies, Barbara Liskov introduced the idea that would eventually become the Liskov Substitu...
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KVM host in a few lines of code
Trying to figure out how KVM-based virtual machine hosts work by implementing one from scratch.
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Roll Your Own Frameworks
When I build an application, I build frameworks along the way. I recently realized that not everybody thinks this is normal, so I thought I'd give a description of what I do and why I think it's a good idea.
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Fast high-level programming languages
Python and R are slow when they can’t rely on functionality or libraries backed by C/C++. They are inefficient not only for certain algorithm development but also for common tasks such as FASTQ parsing. Using these languages limits the reach of biologists. Sometimes you may have a brilliant idea but can’t deliver a…
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Revisiting the postcard pathtracer with CUDA and Optix
Last week, I revisited Andrew Kensler's business card raytracer to make it run as fast as possible [1] . It was a lot of fun and I learned a lot in the process. I enjoyed it so much that I decided to revisit Andrew's follow up, the postcard sized pathtracer [2] . I spent a lot of time trying to make sense of that code…
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What is a control system anyway?
Hopefully some signal in the noise.
7131
Don't set the language of your website based on user location
Location-based language setting is a bad idea. It's much better to use the browser's language.
7132
Fragile narrow laggy asynchronous mismatched pipes kill productivity
Something I’ve been thinking about recently is how when I’ve worked on any kind of distributed system, including systems as simple as a web app with frontend and backend code, probably upwards of 80% of my time is spent on things I wouldn’t need to do if it weren’t distributed. I came up with the following description…
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From Node to Deno
Learn how to use Node ecosystem in Deno.
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It’s OK for your open source library to be a bit shitty (2015)
That half-finished thing you threw on PyPI and forgot about? The world is genuinely slightly better for it existing.
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Game of Life in one Ruby statement inspired by APL
Well, the title says it all!
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Getting started with Rust by building a tiny Markdown compiler
Jelajahi katalog produk dan informasi lengkap dari PANEN99.
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What every software engineer should know about Apache Kafka
To help fellow engineers wrap their head around Apache Kafka and event streaming, I wrote a 4-part series on the Confluent blog on Kafka’s core fundamentals....
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Modern C++ gamedev: thoughts and misconceptions
C++ remains one of the leading programming languages in game development despite the emergence of new technologies and languages. Its flexibility, performance, and extensive ecosystem make it the preferred choice for building complex game systems, engines, and high-performance applications.
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State of Loom
Project Loom aims to drastically reduce the effort of writing, maintaining, and observing high-throughput concurrent applications that make the best use of available hardware.