benchmark.js compares BabelMinify with Uglify, Closure Compiler and Closure Compiler JS
./scripts/benchmark.js [file...]
plugin-timing.js is used to calculate and compare the time spent in each plugin.
./scripts/plugin-timing.js file.js
plugin-contribution.js calculates how much each plugin of babel-minify contributes to size reduction.
./scripts/plugin-contribution.js file.js