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diff --git a/bench/bundle/README.md b/bench/bundle/README.md new file mode 100644 index 000000000..e973fcd35 --- /dev/null +++ b/bench/bundle/README.md @@ -0,0 +1,40 @@ +# Bundler benchmark + +This is a performance benchmark of the following bundlers: + +- Bun +- esbuild +- Parcel 2 +- Rollup + Terser +- Webpack + +It is an exact copy of [`esbuild`'s benchmark](https://github.com/evanw/esbuild/blob/main/Makefile), aside from the fast that Bun [has been added](https://github.com/colinhacks/esbuild/commit/1b928b7981aa7edfadf77fcf8931bb8d6f38cd96). The benchmark bundles 10 copies of the large [three.js](https://threejs.org/), with minification and source maps enabled. + +To run the benchmark: + +```sh +$ chmod +x run-bench.sh +$ ./run-bench.sh +``` + +Various output will be written to the console by each bundler. Scan through the results for lines that look like this underneath each bundler output: + +```sh +real <number> +user <number> +sys <number> +``` + +These lines are generated by the `time` command which is used to benchmark each build. + +## Results + +The `real` results, as run on a 16-inch M1 Macbook Pro: + +| Bundler | Time | +| ------- | ------ | +| Bun | 0.17s | +| esbuild | 0.33s | +| Rollup | 18.82s | +| Webpack | 26.21 | +| Parcel | 17.95s | |