v1.4.3

Release v1.4.3. See CHANGELOG.md for details.

v1.3.1

What's Changed

Bug Fixes

• Fixed macOS ARM build by dynamically detecting compiler name (gcc, gcc-14, clang, etc.)
• Fixed empty string parsing on macOS (fmemopen doesn't accept size 0)
• Fixed SSL certificate verification issues on macOS Ruby 3.4.7 with automatic retry

Improvements

• Performance optimization: header caching for faster hash building (~8% improvement in headers mode)
• Added rb_hash_new_capa support for Ruby 3.2+ hash preallocation
• Added macOS ARM (macos-14) to CI matrix

Full Changelog

v1.3.0...v1.3.1

v1.3.0 - Initial Release

ZSV Ruby v1.3.0

SIMD-accelerated CSV parser for Ruby, powered by zsv.

Features

• 5-6x faster than Ruby's CSV stdlib
• Drop-in replacement API (foreach, parse, read, open)
• Headers mode (returns hashes)
• Custom delimiters (,, \t, |, etc.)
• Enumerable support (map, select, each)

Installation

gem 'zsv'

Quick Example

require 'zsv'

# 6x faster than CSV.foreach
ZSV.foreach("large.csv", headers: true) do |row|
  puts row["name"]
end

Benchmarks (Ruby 3.4.7)

File Size	ZSV	CSV stdlib	Speedup
1K rows	1,013 i/s	163 i/s	6.2x
10K rows	54 i/s	10 i/s	5.3x
100K rows	5.3 i/s	1.1 i/s	5.0x

Requirements

• Ruby 3.3+
• Linux or macOS (Intel & ARM)

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