Single-line file:
console.log('Hello World')
Benchmark:
hyperfine --warmup 3 'bun test.js' 'node test.js'
Benchmark 1: bun test.js
Time (mean ± σ): 8.9 ms ± 0.6 ms [User: 5.2 ms, System: 3.6 ms]
Range (min … max): 7.5 ms … 11.8 ms 258 runs
Benchmark 2: node test.js
Time (mean ± σ): 24.9 ms ± 1.1 ms [User: 19.7 ms, System: 3.6 ms]
Range (min … max): 23.6 ms … 30.0 ms 111 runs
The difference is only about 20 ms.
ESLint'ing the project with 30000 files:
find . \( -type f -name "*.js" -o -name "*.jsx" -o -name "*.ts" -o -name "*.tsx" \) | wc -l
30623
hyperfine --warmup 3 --ignore-failure 'npx eslint --ext .js,.jsx,.ts,.tsx .' 'bunx eslint --ext .js,.jsx,.ts,.tsx .'
Benchmark 1: npx eslint --ext .js,.jsx,.ts,.tsx .
Time (mean ± σ): 6.896 s ± 0.047 s [User: 15.452 s, System: 0.621 s]
Range (min … max): 6.831 s … 6.980 s 10 runs
Benchmark 2: bunx eslint --ext .js,.jsx,.ts,.tsx .
Time (mean ± σ): 6.776 s ± 0.046 s [User: 15.423 s, System: 0.578 s]
Range (min … max): 6.715 s … 6.849 s 10 runs
The difference is about 100 ms.
