This post provides a behind-the-scenes look at how we test MSVC‘s backend, which is responsible for optimization and code generation. Many people worldwide use our compiler and expect it to provide a high-quality experience in terms of correctness (compiled…

I recently released papaya, a fast and feature-complete concurrent hash table for Rust. In this post I want to dive into the design and research that went into creating it, as well as why you might consider using it over existing solutions.

The GCC 14 compiler marked Itanium IA-64 support as obsolete with plans to remove that Intel architecture in GCC 15

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How a modern AVX instruction shares a similar design with a 1985 blitter chip, by Arnaud Carré

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Earlier this year, I read Martin Uecker's proposal N3212 to add parametric polymorphism to C. It's easy to scoff at the idea of adding generic programming to plain C, when C++ already has templates, a…

At the beginning of the year, I wrote a bunch of articles on the various tricks DOS played to overcome the tight memory limits of x86’s real mode. There was one question that came up and remained unanswered: what were the various “models” that the compilers…

An innocent single-cycle loop test leads to a surprising microarchitecture discovery