dataframe-fastcsv

SIMD-accelerated CSV reader for the dataframe library.

Stackage Nightly 2026-07-26:	1.4.0.0
Latest on Hackage:	1.4.0.0

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MIT licensed by Michael Chavinda

Maintained by [email protected]

This version can be pinned in stack with:dataframe-fastcsv-1.4.0.0@sha256:f090faf4ab1c7d0b2934072a7964723fd93758cd6ec552b66ce68bf3dff16f60,4281

Module documentation for 1.4.0.0

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.