nowfound

Dev tools · January 27, 2026

I built a CSV parser to try Go 1.26's new SIMD package

Hey HN, A CSV parser using Go 1.26's experimental simd/archsimd package. I wanted to see what the new SIMD API looks like in practice. CSV parsing is mostly "find these bytes in a buffer"—load 64 bytes, compare, get a bitmask of positions. The interesting part was handling chunk boundaries correctly (quotes and line endings can split across chunks). - Drop-in replacement for encoding/csv - ~20% faster for unquoted data on AVX-512 - Quoted data is slower (still optimizing) - Scalar fallback for non-AVX-512 Requires GOEXPERIMENT=simd.…

I built a CSV parser to try Go 1.26's new SIMD package launched on January 27, 2026 with 8 votes, #1,339 of 14,584 launches that month and more than 75% of that year's launches.

Visit github.com ↗Alternativestop 9% of January 2026

What it does

High-performance SIMD-accelerated CSV parser for Go 1.26+ using simd/archsimd. Drop-in replacement for encoding/csv - nnnkkk7/go-simdcsv

In the maker’s words, at launch

Hey HN, A CSV parser using Go 1.26's experimental simd/archsimd package. I wanted to see what the new SIMD API looks like in practice. CSV parsing is mostly "find these bytes in a buffer"—load 64 bytes, compare, get a bitmask of positions. The interesting part was handling chunk boundaries correctly (quotes and…

Does a similar job

all alternatives →
  • High-speed UTF-8 validation in Rust2021 · github.com · ▲127

    SIMD-accelerated UTF-8 validation for Rust. Contribute to rusticstuff/simdutf8 development by creating an account on GitHub.

  • Faking SIMD to Search and Sort Strings 5x Faster2023 · ashvardanian.com · ▲29

    I want to share a really dumb, but very practical project I have packaged this summer, to perform operations on strings much faster. I was using Python to work with a multi-terabyte newline-delimited file. Reading, splitting, and shuffling it was a nightmare. So, I wrapped a trivial hardware-friendly heuristic I've been using for the last few years into a CPython library. The part I enjoyed the most is implementing SIMD behavior without SIMD instructions... Using 64-bit words to work at 8-bit granularity. Unlike conventional SIMD, the code would remain the same for ~~almost~~ any hardware.…

  • uDSV.js – A faster CSV parser2023 · github.com · ▲67

    Hey folks! I know CSV parsers (especially in JS) aren't terribly exciting and someone writes a "better" one every week. I'm in the middle of my parental leave, and this was a project that came out of me looking for the fastest/smallest CSV parser. It all started so innocently, and then turned into a benchmark-validation-athon; the library itself took ~2 weeks to write, but the performance comparisons took another ~4 weeks (on and off). The benchmarks were a huge effort, but I think they are the most thorough to date, both in breadth and in depth, so hopefully you find them useful:…

  • PP
    Papa Parse 32014 · papaparse.com · ▲363
  • Parsing CSV files with GPU2015 · github.com · ▲123

    Fast, gpu-based CSV parser. Contribute to antonmks/nvParse development by creating an account on GitHub.

  • SQL on CSV/TSV/etc + native/WASM + worlds fastest CSV parser2022 · github.com · ▲10

    zsv+lib: tabular data swiss-army knife CLI + world's fastest (simd) CSV parser - liquidaty/zsv

More dev tools this month

the category →
  • /dev/null▲490

    a social network for devs

    Dev tools · 4d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 29d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 27d ago · github.com

  • Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

    Dev tools · 14h ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 24d ago · openbot.run

  • Talanoa▲346

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 21d ago · talanoa.email

Source: Show HN post ↗ · launch text quoted in part

Launched alongside, January 2026

the whole month →
  • IN

    Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc

    AI · Jan 2026 · cannoneyed.com

  • Cowork▲1,088

    Turn Claude into your digital coworker

    AI · Jan 2026 · claude.com

  • DataFast▲867

    Revenue-first analytics

    Growth · Jan 2026 · datafa.st

  • OpenClaw▲836

    The AI that actually does things

    AI · Jan 2026 · openclaw.ai

  • Automatic AI-powered code reviews the moment you open a PR

    Dev tools · Jan 2026 · kilo.ai

  • AI Content Maker, for Social Media Publishing

    AI · Jan 2026 · postsyncer.com