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working hard and fast
🚀
working hard and fast
7k followers · 69 following

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Achievements

Achievement: Galaxy Brainx3Achievement: Pair Extraordinairex3Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Starstruckx4

Achievements

Achievement: Galaxy Brainx3Achievement: Pair Extraordinairex3Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Starstruckx4

Highlights

  • Pro

Organizations

@nodejs @RoaringBitmap @web-platform-tests @FastFilter @simdjson @fastfloat @simdutf @bits-and-blooms @ada-url @fast-pack

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lemire/README.md

Hi there 👋

I am a computer science professor at the Université du Québec (TÉLUQ). 🇨🇦

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  1. simdjson/simdjson Public

    Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

    C++ 20.1k 1.1k

  2. RoaringBitmap/RoaringBitmap Public

    A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

    Java 3.7k 570

  3. RoaringBitmap/roaring Public

    Roaring bitmaps in Go (golang), used by InfluxDB, Bleve, DataDog

    Go 2.6k 233

  4. fastfloat/fast_float Public

    Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, Chromium, Redis and WebKit/Safari

    C++ 1.7k 153

  5. simdutf/simdutf Public

    Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Lad…

    C++ 1.4k 87

  6. ada-url/ada Public

    WHATWG-compliant and fast URL parser written in modern C++, part of Node.js, Clickhouse, Redpanda, Kong, Telegram, Datadog and Cloudflare Workers.

    C++ 1.5k 100

2,684 contributions in the last year

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Contribution activity

April 2025

Created a pull request in nodejs/node that received 9 comments

src: use ranges library (C++20) to simplify code

This PR uses C++20 ranges to slightly simplify a piece of code. To be honest, the real motivation of this PR is to introduce ranges and test whethe…

+12 −9 lines changed • 9 comments
Opened 16 other pull requests in 5 repositories
Reviewed 19 pull requests in 5 repositories
Answered 1 discussion in 1 repository
simdjson/simdjson
39 contributions in private repositories Apr 1 – Apr 24
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