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The most popular blog posts about software engineering on Hacker News. 21,843 posts.

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Why Learn Compilers (2021)

A sufficient understanding of computers is impossible without learning how compilers and their parts work. It is like stepping into the computer's mind and seeing how it feels from the inside. Compil...

17654

NoiseLang: Where N = 5 is a Dirac delta

A signals-and-noise course left me writing Monte Carlo math on paper and wishing the notation itself would run. Nine years later, with an AI agent doing the heavy lifting, NoiseLang became a real Monte Carlo language that runs the same fused kernel on the GPU, on every CPU core, and on WebAssembly.

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Link-Time Optimisation (LTO)

I recently started exploring link-time optimisation (LTO), which I used to think was just a single boolean choice in the compilation and linking workflow, and perhaps it was like that a while ago… I’ve learned that these days, there are many different dimensions of LTO across compilers and linkers today and more…

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Preview of Microsoft Build of OpenJDK

Today we are excited to announce the preview of the Microsoft Build of OpenJDK, a new Long-Term Support (LTS) distribution of OpenJDK that is open source and available for free for anyone to deploy anywhere. It includes binaries for Java 11, based on OpenJDK 11.0.10, on x64 server and desktop environments on macOS…

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Fun with -fsanitize=undefined and Picolibc

Both GCC and Clang support the -fsanitize=undefined flag which instruments the generated code to detect places where the program wanders into parts of the C language specification which are either undefined or implementation defined. Many of these are also common programming errors. It would be great if there were…