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Golang’s Real-Time GC in Theory and Practice
How the Golang concurrent GC achieves low latencies in real-time systems: a visualization of the algorithm and an empirical comparison with other languages.
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The latest blog posts to take off on Hacker News. 21,837 posts.
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Subresource Integrity Addressable Caching
A small number of popular JavaScript frameworks and libraries account for a substantial portion of the network, battery, and time budgets of users of the contemporary Web. Many applications include these libraries even if they only use a small portion of the functionality they provide. Large improvements seem possible…
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Proebsting's Law
This means that while hardware computing horsepower increases at roughly 60%/year, compiler optimizations contribute only 4%. Basically, compiler optimization work makes only marginal contributions.
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Introduction to strace
There will come a time when you will find yourself asking “What the heck is that process doing?”. To uncover the mysteries behind the behaviour of a process, we have a tool called strace .
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15 Years of Concurrency
Joe Duffy's Blog | Adventures in the high-tech underbelly
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Zero Cost Abstractions
Rust claims to enable abstraction without overhead. How does that claim hold up in practice?
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Amazon Rekognition – Image Detection and Recognition Powered by Deep Learning
What do you see when you look at this picture? You might simply see an animal. Maybe you see a pet, a dog, or a Golden Retriever. The association between the image and these labels is not hard-wired in to your brain. Instead, you learned the labels after seeing hundreds or thousands of examples. Operating […]
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Amazon Aurora Update – PostgreSQL Compatibility
Just two years ago (it seems like yesterday), I introduced you to Amazon Aurora in my post Amazon Aurora – New Cost-Effective MySQL-Compatible Database Engine for Amazon RDS. In that post I told you how the RDS team took a fresh, unconstrained look at the relational database model and explained how they built a…
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Amazon Lex – Build Conversational Voice and Text Interfaces
While computers that talk are great, computers that listen and respond are even better! If you have used an Amazon Echo, you know how simple, useful, and powerful the Alexa-powered interaction model can be. Today we are making the same deep learning technologies (ASR – Automatic Speech Recognition NLU – Natural…
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Svelte – A UI framework that compiles into tiny standalone JavaScript modules
You can’t write serious applications in vanilla JavaScript without hitting a complexity wall. But a compiler can do it for you.
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TensorFlow 0.12 adds support for Windows
Native support for TensorFlow on Windows was one of the first requests we received after open-sourcing TensorFlow. Although some Windows users have managed to run TensorFlow in a Docker container, we wanted to provide a more complete experience including GPU support.
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Real-time event aggregation at scale using Postgres with Citus
Citus is commonly used to scale out event data pipelines on top of PostgreSQL. Its ability to transparently shard data and parallelise queries over many machines makes it possible to have real-time responsiveness even with terabytes of data.
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The lack of a case against Python 3
A point-by-point rebuttal of Zed Shaw's Unicode and 2to3 complaints, with a trainer's view on which Python version to teach beginners in 2016.
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Beating the Compiler
An oft-repeated fact on programming forums these days is that a decent optimizing compiler will always beat a puny human's attempt at hand-written assembler. There are rare cases, like MPEG decoders, where making good use of the SIMD instructions can allow assembly to massively beat the compiler. But generally you'll…
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Visualizing How Developers Rate Their Own Programming Skills
As it turns out, there is no correlation between programming ability and the frequency of Stack Overflow visits.
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Modern C is now feature complete
You find the latest version of my book at the usual place at This now contains all the material that I plan to put into it. New are “experience” parts about performance, function-like m…
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Base-122 – A space efficient alternative to base-64
A space efficient UTF-8 binary-to-text encoding
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Interactive Numerical Optimization Tutorial
Numerical Optimization is one of the central techniques in Machine Learning. For many problems it is hard to figure out the best solution directly, but it is relatively easy to set up a loss function that measures how good a solution is - and then minimize the parameters of that function to find the solution.
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The New Haxe Target: HashLink in depth, part 1
Find out more about HashLink, the newest Haxe target, a virtual machine used to develop system/server/desktop applications.
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Typed, modular macros for OCaml
As part of my OCaml Labs research project, I implemented a new macro system for OCaml, based on a design by Leo White and Jeremy Yallop [1] .