Embodied cognition and agentic AI https://lemire.me/blog/2026/05/28/embodied-cognition-and-agentic-ai/
Daniel Lemire
@lemire
- 535 Followers
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- 689 Posts
Computer science professor at the University of Quebec (TELUQ), open-source hacker, and long-time blogger. 👨💻
Parsing IPv6 Addresses Crazily Fast with AVX-512 https://lemire.me/blog/2026/05/23/parsing-ipv6-addresses-crazily-fast-with-avx-512/
Only 17% of all 64-bit Integers are products of two 32-bit integers https://lemire.me/blog/2026/05/22/only-17-of-all-64-bit-integers-are-products-of-two-32-bit-integers/
SIMD-accelerated integer-to-string conversion https://lemire.me/blog/2026/05/18/simd-accelerated-integer-to-string-conversion/
Mapping Strings to Float Arrays in Go: How Fast Can We Go? https://lemire.me/blog/2026/05/05/mapping-strings-to-float-arrays-in-go-how-fast-can-we-go/
House prices and fertility https://lemire.me/blog/2026/04/30/house-prices-and-fertility/
You can beat the binary search https://lemire.me/blog/2026/04/27/you-can-beat-the-binary-search/
The fastest way to match characters on ARM processors? https://lemire.me/blog/2026/04/19/the-fastest-way-to-match-characters-on-arm-processors/
The fastest way to match characters on ARM processors?
Consider the following problem. Given a string, you must match all of the ASCII white-space characters (\t, \n, \r, and the space) and some characters important in JSON (:, ,, [, ], {, }). JSON is a text-based data format used for web services. A toy JSON document looks as follows. { "name": "Alice", "age": … Continue reading The fastest way to match characters on ARM processors?
A brief history of C/C++ programming languages https://lemire.me/blog/2026/04/09/a-brief-history-of-c-c-programming-languages/
A brief history of C/C++ programming languages
Initially, we had languages like Fortran (1957), Pascal (1970), and C (1972). Fortran was designed for number crunching and scientific computing. Pascal was restrictive with respect to low-level access (it was deliberately "safe", as meant for teaching structured programming). So C won out as a language that allowed low-level/unsafe programming (pointer arithmetic, direct memory access) … Continue reading A brief history of C/C++ programming languages
Can your AI rewrite your code in assembly? https://lemire.me/blog/2026/04/05/can-your-ai-rewrite-your-code-in-assembly/
Can your AI rewrite your code in assembly?
Suppose you have several strings and you want to count the number of instances of the character ! in your strings. In C++, you might solve the problem as follows if you are an old-school programmer. size_t c = 0; for (const auto &str : strings) { c += std::count(str.begin(), str.end(), '!'); } You can … Continue reading Can your AI rewrite your code in assembly?