Daniel Lemire's blog

July 05, 2024 Scan HTML faster with SIMD instructions: .NET/C# Edition
June 27, 2024 How much memory does a call to ‘malloc’ allocate?
June 22, 2024 Performance tip: avoid unnecessary copies
June 20, 2024 Validating gigabytes of Unicode strings per second… in C#?
June 13, 2024 Rolling your own fast matrix multiplication: loop order and vectorization
June 08, 2024 Scan HTML faster with SIMD instructions: Chrome edition
May 31, 2024 Quickly checking whether a string needs escaping
May 30, 2024 Never reason from the results of a sampling profiler
May 26, 2024 Science and Technology links (May 25 2024)
May 14, 2024 Learning from the object-oriented mania
May 13, 2024 Forwarding references in C++
May 11, 2024 Peer review is not the gold standard in science
May 09, 2024 How fast can you construct a small list of strings in C for Python?
May 02, 2024 Should Node.js be built with ClangCL under Windows?
April 29, 2024 Careful with Pair-of-Registers instructions on Apple Silicon
April 27, 2024 Large language models (e.g., ChatGPT) as research assistants
April 21, 2024 How do you recognize an expert?
April 19, 2024 How quickly can you break a long string into lines?
April 13, 2024 Science and Technology links (April 13 2024)
April 13, 2024 Greatest common divisor, the extended Euclidean algorithm, and speed!
April 11, 2024 A simple algorithm to compute the square root of an integer, byte by byte
April 06, 2024 C++ web app with Crow: early scalability results
March 31, 2024 Science and Technology links (March 31 2024)
March 31, 2024 Fast and concise probabilistic filters in Python
March 22, 2024 Passing recursive C++ lambdas as function pointers
March 17, 2024 Measuring your system’s performance using software (Go edition)
March 12, 2024 How to read files quickly in JavaScript
March 08, 2024 How many political parties rule Canada? Fun with statistics
February 24, 2024 Book review: Theft of Fire by Devon Eriksen
February 19, 2024 Measuring energy usage: regular code vs. SIMD code
February 09, 2024 JSON Parsing: Intel Sapphire Rapids versus AMD Zen 4
February 04, 2024 How fast is rolling Karp-Rabin hashing?
January 21, 2024 C23: a slightly better C
January 18, 2024 How much memory bandwidth do large Amazon instances offer?
January 13, 2024 Estimating your memory bandwidth
January 11, 2024 Implementing the missing sign instruction in AVX-512
December 30, 2023 Science and Technology links (December 30th 2023)
December 12, 2023 Measuring the size of the cache line empirically
December 08, 2023 Fast Buffer-to-String conversion in JavaScript with a Lookup Table
December 05, 2023 How fast can you validate UTF-8 strings in JavaScript?