chore: Add shell script to benchmark different versions

Author: pawamoy

benchmark.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+repo=$(realpath $(dirname "$0"))
+tags=(
+    0.25.5
+    0.26.0
+    0.27.5
+    0.28.2
+    0.29.1
+    0.30.1
+    0.31.0
+    HEAD
+)
+echo "Testing tags: ${tags[@]}"
+
+mkdir /tmp/griffe-benchmark &>/dev/null
+cd /tmp/griffe-benchmark
+
+echo "Preparing environments"
+for tag in ${tags[@]}; do
+    (
+        if ! [ -d "venv${tag}" ]; then
+            python3.11 -m venv venv${tag}
+            if [ "${tag}" = "HEAD" ]; then
+                venv${tag}/bin/python -m pip install -e "${repo}" &>/dev/null
+            else
+                venv${tag}/bin/python -m pip install griffe==${tag} &>/dev/null
+            fi
+        fi
+    ) &
+done
+wait
+
+cat <<EOF >benchmark.py
+import sys
+from griffe.loader import GriffeLoader
+stblib_packages = sorted([m for m in sys.stdlib_module_names if not m.startswith("_")])
+loader = GriffeLoader(allow_inspection=False)
+for package in stblib_packages:
+    try:
+        loader.load_module(package)
+    except Exception:
+        pass
+loader.resolve_aliases(implicit=False, external=False)
+EOF
+
+commands=$(
+    for tag in ${tags[@]}; do
+        echo "'venv${tag}/bin/python benchmark.py'"
+    done
+)
+
+eval hyperfine --runs 3 ${commands} --export-json benchmark.json