benchmark: (es) refactor

PR-URL: #18320 Reviewed-By: James M Snell <jasnell@gmail.com>
nodejs · Feb 21, 2018 · 076b3d9b0a080491e28fc1752f3511f229c9aa64 · 076b3d9
1 parent 76cb958
commit 076b3d9b0a080491e28fc1752f3511f229c9aa64
diff --git a/benchmark/es/defaultparams-bench.js b/benchmark/es/defaultparams-bench.js
@@ -20,37 +20,31 @@ function defaultParams(x = 1, y = 2) {
   assert.strictEqual(y, 2);
 }
 
-function runOldStyleDefaults(n) {
-
-  var i = 0;
+function runOldStyleDefaults(millions) {
   bench.start();
-  for (; i < n; i++)
+  for (var i = 0; i < millions * 1e6; i++)
     oldStyleDefaults();
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function runDefaultParams(n) {
-
-  var i = 0;
+function runDefaultParams(millions) {
   bench.start();
-  for (; i < n; i++)
+  for (var i = 0; i < millions * 1e6; i++)
     defaultParams();
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
 function main({ millions, method }) {
-  const n = millions * 1e6;
-
   switch (method) {
     case '':
       // Empty string falls through to next line as default, mostly for tests.
     case 'withoutdefaults':
-      runOldStyleDefaults(n);
+      runOldStyleDefaults(millions);
       break;
     case 'withdefaults':
-      runDefaultParams(n);
+      runDefaultParams(millions);
       break;
     default:
-      throw new Error('Unexpected method');
+      throw new Error(`Unexpected method "${method}"`);
   }
 }
diff --git a/benchmark/es/destructuring-bench.js b/benchmark/es/destructuring-bench.js
@@ -8,45 +8,43 @@ const bench = common.createBenchmark(main, {
   millions: [100]
 });
 
-function runSwapManual(n) {
+function runSwapManual(millions) {
   var x, y, r;
   bench.start();
-  for (var i = 0; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     x = 1, y = 2;
     r = x;
     x = y;
     y = r;
     assert.strictEqual(x, 2);
     assert.strictEqual(y, 1);
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function runSwapDestructured(n) {
+function runSwapDestructured(millions) {
   var x, y;
   bench.start();
-  for (var i = 0; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     x = 1, y = 2;
     [x, y] = [y, x];
     assert.strictEqual(x, 2);
     assert.strictEqual(y, 1);
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
 function main({ millions, method }) {
-  const n = millions * 1e6;
-
   switch (method) {
     case '':
       // Empty string falls through to next line as default, mostly for tests.
     case 'swap':
-      runSwapManual(n);
+      runSwapManual(millions);
       break;
     case 'destructure':
-      runSwapDestructured(n);
+      runSwapDestructured(millions);
       break;
     default:
-      throw new Error('Unexpected method');
+      throw new Error(`Unexpected method "${method}"`);
   }
 }
diff --git a/benchmark/es/destructuring-object-bench.js b/benchmark/es/destructuring-object-bench.js
@@ -7,45 +7,43 @@ const bench = common.createBenchmark(main, {
   millions: [100]
 });
 
-function runNormal(n) {
+function runNormal(millions) {
   var i = 0;
   const o = { x: 0, y: 1 };
   bench.start();
-  for (; i < n; i++) {
+  for (; i < millions * 1e6; i++) {
     /* eslint-disable no-unused-vars */
     const x = o.x;
     const y = o.y;
     const r = o.r || 2;
     /* eslint-enable no-unused-vars */
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function runDestructured(n) {
+function runDestructured(millions) {
   var i = 0;
   const o = { x: 0, y: 1 };
   bench.start();
-  for (; i < n; i++) {
+  for (; i < millions * 1e6; i++) {
     /* eslint-disable no-unused-vars */
     const { x, y, r = 2 } = o;
     /* eslint-enable no-unused-vars */
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
 function main({ millions, method }) {
-  const n = millions * 1e6;
-
   switch (method) {
     case '':
       // Empty string falls through to next line as default, mostly for tests.
     case 'normal':
-      runNormal(n);
+      runNormal(millions);
       break;
     case 'destructureObject':
-      runDestructured(n);
+      runDestructured(millions);
       break;
     default:
-      throw new Error('Unexpected method');
+      throw new Error(`Unexpected method "${method}"`);
   }
 }
diff --git a/benchmark/es/foreach-bench.js b/benchmark/es/foreach-bench.js
@@ -8,56 +8,51 @@ const bench = common.createBenchmark(main, {
   millions: [5]
 });
 
-function useFor(n, items, count) {
-  var i, j;
+function useFor(millions, items, count) {
   bench.start();
-  for (i = 0; i < n; i++) {
-    for (j = 0; j < count; j++) {
+  for (var i = 0; i < millions * 1e6; i++) {
+    for (var j = 0; j < count; j++) {
       /* eslint-disable no-unused-vars */
       const item = items[j];
       /* esline-enable no-unused-vars */
     }
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function useForOf(n, items) {
-  var i, item;
+function useForOf(millions, items) {
+  var item;
   bench.start();
-  for (i = 0; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     for (item of items) {}
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function useForIn(n, items) {
-  var i, j, item;
+function useForIn(millions, items) {
   bench.start();
-  for (i = 0; i < n; i++) {
-    for (j in items) {
+  for (var i = 0; i < millions * 1e6; i++) {
+    for (var j in items) {
       /* eslint-disable no-unused-vars */
-      item = items[j];
+      const item = items[j];
       /* esline-enable no-unused-vars */
     }
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function useForEach(n, items) {
-  var i;
+function useForEach(millions, items) {
   bench.start();
-  for (i = 0; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     items.forEach((item) => {});
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
 function main({ millions, count, method }) {
-  const n = millions * 1e6;
   const items = new Array(count);
-  var i;
   var fn;
-  for (i = 0; i < count; i++)
+  for (var i = 0; i < count; i++)
     items[i] = i;
 
   switch (method) {
@@ -76,7 +71,7 @@ function main({ millions, count, method }) {
       fn = useForEach;
       break;
     default:
-      throw new Error('Unexpected method');
+      throw new Error(`Unexpected method "${method}"`);
   }
-  fn(n, items, count);
+  fn(millions, items, count);
 }
diff --git a/benchmark/es/map-bench.js b/benchmark/es/map-bench.js
@@ -11,63 +11,59 @@ const bench = common.createBenchmark(main, {
   millions: [1]
 });
 
-function runObject(n) {
+function runObject(millions) {
   const m = {};
-  var i = 0;
   bench.start();
-  for (; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     m[`i${i}`] = i;
     m[`s${i}`] = String(i);
     assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]);
     m[`i${i}`] = undefined;
     m[`s${i}`] = undefined;
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function runNullProtoObject(n) {
+function runNullProtoObject(millions) {
   const m = Object.create(null);
-  var i = 0;
   bench.start();
-  for (; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     m[`i${i}`] = i;
     m[`s${i}`] = String(i);
     assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]);
     m[`i${i}`] = undefined;
     m[`s${i}`] = undefined;
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function runNullProtoLiteralObject(n) {
+function runNullProtoLiteralObject(millions) {
   const m = { __proto__: null };
-  var i = 0;
   bench.start();
-  for (; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     m[`i${i}`] = i;
     m[`s${i}`] = String(i);
     assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]);
     m[`i${i}`] = undefined;
     m[`s${i}`] = undefined;
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
 function StorageObject() {}
 StorageObject.prototype = Object.create(null);
 
-function runStorageObject(n) {
+function runStorageObject(millions) {
   const m = new StorageObject();
-  var i = 0;
   bench.start();
-  for (; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     m[`i${i}`] = i;
     m[`s${i}`] = String(i);
     assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]);
     m[`i${i}`] = undefined;
     m[`s${i}`] = undefined;
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
 function fakeMap() {
@@ -80,59 +76,55 @@ function fakeMap() {
   };
 }
 
-function runFakeMap(n) {
+function runFakeMap(millions) {
   const m = fakeMap();
-  var i = 0;
   bench.start();
-  for (; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     m.set(`i${i}`, i);
     m.set(`s${i}`, String(i));
     assert.strictEqual(String(m.get(`i${i}`)), m.get(`s${i}`));
     m.set(`i${i}`, undefined);
     m.set(`s${i}`, undefined);
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
-function runMap(n) {
+function runMap(millions) {
   const m = new Map();
-  var i = 0;
   bench.start();
-  for (; i < n; i++) {
+  for (var i = 0; i < millions * 1e6; i++) {
     m.set(`i${i}`, i);
     m.set(`s${i}`, String(i));
     assert.strictEqual(String(m.get(`i${i}`)), m.get(`s${i}`));
     m.set(`i${i}`, undefined);
     m.set(`s${i}`, undefined);
   }
-  bench.end(n / 1e6);
+  bench.end(millions);
 }
 
 function main({ millions, method }) {
-  const n = millions * 1e6;
-
   switch (method) {
     case '':
       // Empty string falls through to next line as default, mostly for tests.
     case 'object':
-      runObject(n);
+      runObject(millions);
       break;
     case 'nullProtoObject':
-      runNullProtoObject(n);
+      runNullProtoObject(millions);
       break;
     case 'nullProtoLiteralObject':
-      runNullProtoLiteralObject(n);
+      runNullProtoLiteralObject(millions);
       break;
     case 'storageObject':
-      runStorageObject(n);
+      runStorageObject(millions);
       break;
     case 'fakeMap':
-      runFakeMap(n);
+      runFakeMap(millions);
       break;
     case 'map':
-      runMap(n);
+      runMap(millions);
       break;
     default:
-      throw new Error('Unexpected method');
+      throw new Error(`Unexpected method "${method}"`);
   }
 }