dataframe-fastcsv

SIMD-accelerated CSV reader for the dataframe library.

Stackage Nightly 2026-08-30:	1.4.1.1
Latest on Hackage:	1.4.1.1

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MIT licensed by Michael Chavinda

Maintained by [email protected]

This version can be pinned in stack with:dataframe-fastcsv-1.4.1.1@sha256:8a94d0755ab192955d72952e75f937a1f6a0e6c44348ba131dcedb62b276c80c,4230

Module documentation for 1.4.1.1

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.