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Ruby TOML comparison

This repository contains the scripts used to compare some of the more popular/promising Ruby TOML implementations.

How to run?

  1. Clone the repo with submodules:
git clone --recurse-submodules
  1. Fix tomlrb to work with decoder tester
sed -i '' -e 's#require "tomlrb#require_relative "tomlrb#g' 'implementations/tomlrb/lib/tomlrb.rb'
sed -i '' -e "s#require 'tomlrb#require_relative 'tomlrb#g" 'implementations/tomlrb/lib/tomlrb.rb'
sed -i '' -e 's#require "tomlrb/generated_parser"#require_relative "generated_parser"#g' 'implementations/tomlrb/lib/tomlrb/parser.rb'
  1. Build the toml-test binary
cd toml-test
go build ./cmd/toml-test
  1. Run the tests
./test_gems.sh

Sample results

I run this on my Macbook Air (M1, 2020):

There are 306 test cases in toml-test. Here are the comparison results:

Gem Failed cases Duration*
toby 89 121.9s
toml 89 58.97s
toml-rb 80 134.45s
tomlrb 23 41.1s

*I averaged three test runs for each gem.

Based on these test runs, tomlrb comes on the top when comparing both v1.0.0 TOML spec compliance as well as speed performance.