feat: enhance memory monitoring in benchmark and simplify run script

benchmark/index.html

@@ -213,6 +213,28 @@
       mc.innerHTML = h;
 
       document.getElementById('results').style.display = 'block';
+
+      // Main process will inject memory via executeJavaScript every 2s
+      window.__updateMem = function() {
+        var m = window.__mainMem;
+        if (!m) return;
+        var mc = document.getElementById('mem-card');
+        mc.innerHTML = '';
+        var entries = [
+          ['Engine', m.engine],
+          ['Platform', m.platform + ' ' + m.arch],
+          ['Node.js', m.node],
+          ['RSS', m.rss + ' MB'],
+          ['Heap used', m.heapUsed + ' MB'],
+          ['Heap total', m.heapTotal + ' MB'],
+          ['External', m.external + ' MB'],
+          ['System RAM', m.totalMem + ' MB'],
+        ];
+        for (var i = 0; i < entries.length; i++) {
+          mc.innerHTML += row(entries[i][0], entries[i][1]);
+        }
+      };
+      window.__updateMem();
     })();
   </script>
 </body>

benchmark/main.js

@@ -1,8 +1,24 @@
 const { app, BrowserWindow } = require('electron');
 const path = require('path');
+const os = require('os');
 
 const isGelectron = !!(process.versions.gelectron || process.env.GELECTRON_NATIVE);
 
+function getMemoryMB() {
+  const m = process.memoryUsage();
+  return JSON.stringify({
+    rss: +(m.rss / 1048576).toFixed(1),
+    heapUsed: +(m.heapUsed / 1048576).toFixed(1),
+    heapTotal: +(m.heapTotal / 1048576).toFixed(1),
+    external: +(m.external / 1048576).toFixed(1),
+    platform: os.platform(),
+    arch: os.arch(),
+    engine: isGelectron ? 'Gelectron' : 'Electron',
+    node: process.versions.node,
+    totalMem: +(os.totalmem() / 1048576).toFixed(0),
+  });
+}
+
 app.whenReady().then(() => {
   const win = new BrowserWindow({
     width: 680,
@@ -17,6 +33,14 @@ app.whenReady().then(() => {
   });
 
   win.loadFile(path.join(__dirname, 'index.html'));
+
+  setInterval(() => {
+    if (!win.isDestroyed()) {
+      win.webContents.executeJavaScript(
+        `window.__mainMem=${getMemoryMB()};window.__updateMem&&window.__updateMem()`
+      );
+    }
+  }, 2000);
 });
 
 app.on('window-all-closed', () => app.quit());

benchmark/run.sh

@@ -1,79 +1,35 @@
 #!/usr/bin/env bash
-set -e
 
 BENCH_DIR="$(cd "$(dirname "$0")" && pwd)"
 ELECTRON_BIN="$BENCH_DIR/node_modules/.bin/electron"
 GEELECTRON_BIN="$BENCH_DIR/../target/release/gelectron"
 
-usage() {
-  echo ""
-  echo "  Usage: ./benchmark/run.sh [options]"
-  echo ""
-  echo "  Options:"
-  echo "    --electron       Run with Electron only"
-  echo "    --gelectron      Run with Gelectron only"
-  echo "    (no args)        Run both back-to-back"
-  echo ""
-}
-
-run_electron() {
-  if [ -x "$ELECTRON_BIN" ] || command -v electron &>/dev/null; then
-    local bin="${ELECTRON_BIN:-electron}"
-    echo ""
-    echo "  ▶ Opening Electron benchmark…"
-    echo "    Close the window when done."
-    "$bin" "$BENCH_DIR" 2>/dev/null
-    echo "  ✓ Electron done"
-  else
-    echo ""
-    echo "  ✗ Electron not found. Install with: npm install electron"
-  fi
-}
-
-run_gelectron() {
-  if [ -x "$GEELECTRON_BIN" ]; then
-    echo ""
-    echo "  ▶ Opening Gelectron benchmark…"
-    echo "    Close the window when done."
-    "$GEELECTRON_BIN" "$BENCH_DIR" 2>/dev/null
-    echo "  ✓ Gelectron done"
-  elif command -v gelectron &>/dev/null; then
-    echo ""
-    echo "  ▶ Opening Gelectron benchmark…"
-    echo "    Close the window when done."
-    gelectron "$BENCH_DIR" 2>/dev/null
-    echo "  ✓ Gelectron done"
-  else
-    echo ""
-    echo "  ✗ Gelectron not found. Build with: cargo build --release"
-  fi
-}
-
-MODE="both"
-for arg in "$@"; do
-  case "$arg" in
-    --electron) MODE="electron" ;;
-    --gelectron) MODE="gelectron" ;;
-    -h|--help) usage; exit 0 ;;
-    *) echo "  Unknown option: $arg"; usage; exit 1 ;;
-  esac
-done
-
 echo ""
 echo "  ── Gelectron Benchmark ──"
+echo ""
 
-if [ "$MODE" = "both" ] || [ "$MODE" = "electron" ]; then
-  run_electron
+# Run Electron first
+if [ -x "$ELECTRON_BIN" ]; then
+  echo "  ▶ Opening Electron benchmark…"
+  echo "    Close the window when done."
+  "$ELECTRON_BIN" "$BENCH_DIR" 2>/dev/null || true
+  echo "  ✓ Electron done"
+else
+  echo "  ✗ Electron not found. Run: npm install electron"
 fi
 
-if [ "$MODE" = "both" ] || [ "$MODE" = "gelectron" ]; then
-  run_gelectron
+echo ""
+
+# Then Gelectron
+if [ -x "$GEELECTRON_BIN" ]; then
+  echo "  ▶ Opening Gelectron benchmark…"
+  echo "    Close the window when done."
+  "$GEELECTRON_BIN" "$BENCH_DIR" 2>/dev/null || true
+  echo "  ✓ Gelectron done"
+else
+  echo "  ✗ Gelectron not found. Run: cargo build --release"
 fi
 
-if [ "$MODE" = "both" ]; then
-  echo ""
-  echo "  ── Done ──"
-  echo "  Both benchmarks ran. Results are shown in each window."
-  echo "  The second window auto-loads a comparison if result files exist."
-  echo ""
-fi
+echo ""
+echo "  ── Done ──"
+echo ""