Update the benchmark script

example/ammo.js/benchmark.js

 require("./testutils");
 const stress = require("./stress");
 
-const WARM = 3;
-const N = 10 + WARM;
-
 (async () => {
   const runBench = dir => {
     const Ammo = require(`./${dir}/ammo.wasm`);
 
     return new Promise(resolve => {
-      console.error(`${dir}`);
-
       // Wrap `Ammo()` by real `Promise` object because it returns just Promise-like object
       // and awaiting it acts buggy.
       Ammo().then(Ammo => {
-        const durs = [];
-        for (let i = 0; i < N; i++) {
         const dur = stress(Ammo);
-          durs.push(dur);
-          console.error(dur);
-        }
-        resolve({ dir, durs });
+        resolve(dur);
       });
     });
   };
@@ -41,10 +31,10 @@ const N = 10 + WARM;
     "dist/ammo-3-fe8191b3"
   ];
 
-  const results = [];
-  for (wasm of wasms) {
-    results.push(await runBench(wasm));
+  const row = [];
+  const keys = [...wasms.keys()].sort(() => Math.random() - 0.5);
+  for (const i of keys) {
+    row[i] = await runBench(wasms[i]);
   }
-
-  console.log(JSON.stringify(results));
+  console.log(row.join("\t"));
 })();

example/zlib-wasm/benchmark.js

 const Crypto = require("crypto");
 const assert = require("assert");
 
-const size = 1_000_000;
+const size = 10_000_000;
 const rawData = Crypto.randomBytes(size);
 
 (async function() {
@@ -49,19 +49,18 @@ const rawData = Crypto.randomBytes(size);
   console.log(`deflated size: ${compressed.length}bytes`);
   console.log(`compression rate: ${(compressionRate * 100).toFixed(1)}%`);
 
-  libs.forEach((Zlib, i) => {
-    // Warming up
-    console.time(`Warm - ${libPaths[i]}`);
-    for (let i = 0; i < 10; i++) {
-      Zlib.deflate(rawData);
-    }
-    console.timeEnd(`Warm - ${libPaths[i]}`);
+  console.log(libPaths.join("\t"));
 
-    // Benchmark
-    console.time(`Benchmark - ${libPaths[i]}`);
   for (let i = 0; i < 100; i++) {
-      Zlib.deflate(rawData);
-    }
-    console.timeEnd(`Benchmark - ${libPaths[i]}`);
+    const keys = [...libs.keys()].sort(() => Math.random() - 0.5);
+    const row = [];
+
+    keys.forEach(i => {
+      const start = Date.now();
+      libs[i].deflate(rawData);
+      const end = Date.now();
+      row[i] = end - start;
     });
+    console.log(row.join("\t"));
+  }
 })();