dataframe-fastcsv

SIMD-accelerated CSV reader for the dataframe library.

Stackage Nightly 2026-10-21:	1.4.1.2
Latest on Hackage:	1.4.1.2

See all snapshots dataframe-fastcsv appears in

MIT licensed by Michael Chavinda

Maintained by [email protected]

This version can be pinned in stack with:dataframe-fastcsv-1.4.1.2@sha256:48a14c20fe9e1cc580a0bb33cc2335cd297c4db922d596a33e77cdd843d0b4b4,4230

Module documentation for 1.4.1.2

DataFrame
- DataFrame.IO
  - DataFrame.IO.CSV
    - DataFrame.IO.CSV.Fast

Depends on 11 packages(full list with versions):

base, bytestring, containers, dataframe-core, dataframe-csv, dataframe-operations, dataframe-parsing, mmap, text, time, vector

A fast, SIMD-accelerated CSVTSV reader using memory-mapped IO and carryless multiplication for quote handling. Supports AVX2 (x86-64) and ARM NEON with fallback to a pure Haskell state machine.