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

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18813

Voyage-code-3

TL;DR – Introducing voyage-code-3, our next-generation embedding model optimized for code retrieval. It outperforms OpenAI-v3-large and CodeSage-large by an average of 13.80% and 16.81% on a suite …

18817

Rust: Investigating an Out of Memory Error

TL;DR: We discovered the hard way that when backtrace is enabled, the anyhow library is capturing a backtrace on every error. Only when printing this error in debug format!(”err: {:?}”, error) backtrace’s symbols are resolved to human-friendly names, thus leading to a significant memory increase for your application…

18832

Decoding UTF8 with parallel extract

As a side-quest I recently decided to write a branchless utf8 decoder utilizing the pext or "parallel extract" instruction. It's compliant with rfc-3629 , meaning that it doesn't just naively decode the code-point but also checks for overlong encoding, surrogate pairs and such. Compiled with gcc -O3 -march=x86-64-v3…

18833

The Computer Graphics Library

Back in the 90s, one book was ubiquitous in the world of Computer Graphics. Commonly called "The CG Bible", Computer Graphics: Principles and Practice gathered a huge part of the knowledge of the time. It was commonly referenced by the best programmers of that era in interviews and articles . By 1998, the book…