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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,843 posts.

Software Engineering
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19747

On the Costs of Syscalls (2021)

It's well known that syscalls are expensive. And that software mitigations against CPU bugs (such as Meltdown) even have made them more expensive. But how expensive are they really? To begin to answer this question I wrote a small micro-benchmark in order to measure the minimal costs of a syscall …

19750

Does Go Have Subtyping?

I’ve been noodling on a static type system for my current hobby language. To try to keep the language as simple as possible, I’m trying to see if I can live without subtyping. Since most of my programming experience is in object-oriented languages, I’ve been learning more about languages that lack—or at least claim to…

19757

JEP 544: Ahead-of-Time Code Compilation

Improve startup and warmup time by making optimized native code for an application instantly available when the HotSpot Java Virtual Machine starts. Achieve this by compiling application code to native code in a training run, storing the native code in the AOT cache for use in subsequent production runs. If the…

19765

DuckDB 0.7.0

The DuckDB team is happy to announce the latest DuckDB version (0.7.0) has been released. This release of DuckDB is named “Labradorius” after the Labrador Duck (Camptorhynchus labradorius) that was native to North America. To install the new version, please visit the installation guide. The full release notes can be…