Add benchmark script (#13224)

Co-authored-by: fisker <lionkay@gmail.com>

scripts/benchmark/compare.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+commits=("${@}")
+
+root=`git rev-parse --show-toplevel`
+cd "$root/scripts/benchmark"
+
+function cleanup {
+  echo Cleaning up...
+  rm -rf "${commits[@]}"
+  echo Done!
+}
+trap cleanup EXIT
+
+args=()
+
+for commit in "${commits[@]}"; do
+  rm -rf $commit
+  git -C "$root" archive $commit --prefix $commit/ ':!tests*' ':!website' ':!docs' | tar -x
+  (cd $commit; yarn; yarn build)
+  args+=("node ./bench.mjs $commit serial")
+  args+=("node ./bench.mjs $commit parallel")
+done
+
+hyperfine --warmup 3 "${args[@]}"