[js-perf-tests] Add micro-benchmarks for copying double arrays.

Bug: v8:7980
Change-Id: I6e7f1c064830c0055f8708472b62221ab5ca3288
Reviewed-on: https://chromium-review.googlesource.com/c/1280325
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Hai Dang <dhai@google.com>
Cr-Commit-Position: refs/heads/master@{#56647}

test/js-perf-test/ArrayLiteralInitialSpreadLargeDoubleHoley/run.js

@@ -0,0 +1,158 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Comparing different copy schemes against spread initial literals.
+// Benchmarks for large holey double arrays.
+
+const largeHoleyArray = new Array(1e5);
+
+for (var i = 0; i < 100; i++) {
+  largeHoleyArray[i] = i + 6.66;
+}
+
+for (var i = 5000; i < 5500; i++) {
+  largeHoleyArray[i] = i + 6.66;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Spread
+// ----------------------------------------------------------------------------
+
+function SpreadLargeHoley() {
+  var newArr = [...largeHoleyArray];
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLength
+// ----------------------------------------------------------------------------
+
+function ForLengthLargeHoley() {
+  var newArr = new Array(largeHoleyArray.length);
+  for (let i = 0; i < largeHoleyArray.length; i++) {
+    newArr[i] = largeHoleyArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLengthEmpty
+// ----------------------------------------------------------------------------
+
+function ForLengthEmptyLargeHoley() {
+  var newArr = [];
+  for (let i = 0; i < largeHoleyArray.length; i++) {
+    newArr[i] = largeHoleyArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice
+// ----------------------------------------------------------------------------
+
+function SliceLargeHoley() {
+  var newArr = largeHoleyArray.slice();
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice0
+// ----------------------------------------------------------------------------
+
+function Slice0LargeHoley() {
+  var newArr = largeHoleyArray.slice(0);
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatReceive
+// ----------------------------------------------------------------------------
+
+function ConcatReceiveLargeHoley() {
+  var newArr = largeHoleyArray.concat();
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatArg
+// ----------------------------------------------------------------------------
+
+function ConcatArgLargeHoley() {
+  var newArr = [].concat(largeHoleyArray);
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForOfPush
+// ----------------------------------------------------------------------------
+
+function ForOfPushLargeHoley() {
+  var newArr = [];
+  for (let x of largeHoleyArray) {
+    newArr.push(x)
+  }
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: MapId
+// ----------------------------------------------------------------------------
+
+function MapIdLargeHoley() {
+  var newArr = largeHoleyArray.map(x => x);
+  // basic sanity check
+  if (newArr.length != largeHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Setup and Run
+// ----------------------------------------------------------------------------
+
+load('../base.js');
+
+var success = true;
+
+function PrintResult(name, result) {
+  print(name + '-ArrayLiteralInitialSpreadLargeDoubleHoley(Score): ' + result);
+}
+
+function PrintError(name, error) {
+  PrintResult('Error: ' + name, error);
+  success = false;
+}
+
+// Run the benchmark (5 x 100) iterations instead of 1 second.
+function CreateBenchmark(name, f) {
+  new BenchmarkSuite(name, [1000], [ new Benchmark(name, false, false, 5, f) ]);
+}
+
+CreateBenchmark('Spread', SpreadLargeHoley);
+CreateBenchmark('ForLength', ForLengthLargeHoley);
+CreateBenchmark('ForLengthEmpty', ForLengthEmptyLargeHoley);
+CreateBenchmark('Slice', SliceLargeHoley);
+CreateBenchmark('Slice0', Slice0LargeHoley);
+CreateBenchmark('ConcatReceive', ConcatReceiveLargeHoley);
+CreateBenchmark('ConcatArg', ConcatArgLargeHoley);
+
+BenchmarkSuite.config.doWarmup = true;
+BenchmarkSuite.config.doDeterministic = true;
+BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});

test/js-perf-test/ArrayLiteralInitialSpreadLargeDoublePacked/run.js

@@ -0,0 +1,151 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Comparing different copy schemes against spread initial literals.
+// Benchmarks for large packed double arrays.
+
+const largeHoleyArray = new Array(1e5);
+const largeArray = Array.from(largeHoleyArray.keys()).map(x => x + 6.66);
+
+// ----------------------------------------------------------------------------
+// Benchmark: Spread
+// ----------------------------------------------------------------------------
+
+function SpreadLarge() {
+  var newArr = [...largeArray];
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLength
+// ----------------------------------------------------------------------------
+
+function ForLengthLarge() {
+  var newArr = new Array(largeArray.length);
+  for (let i = 0; i < largeArray.length; i++) {
+    newArr[i] = largeArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLengthEmpty
+// ----------------------------------------------------------------------------
+
+function ForLengthEmptyLarge() {
+  var newArr = [];
+  for (let i = 0; i < largeArray.length; i++) {
+    newArr[i] = largeArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice
+// ----------------------------------------------------------------------------
+
+function SliceLarge() {
+  var newArr = largeArray.slice();
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice0
+// ----------------------------------------------------------------------------
+
+function Slice0Large() {
+  var newArr = largeArray.slice(0);
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatReceive
+// ----------------------------------------------------------------------------
+
+function ConcatReceiveLarge() {
+  var newArr = largeArray.concat();
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatArg
+// ----------------------------------------------------------------------------
+
+function ConcatArgLarge() {
+  var newArr = [].concat(largeArray);
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForOfPush
+// ----------------------------------------------------------------------------
+
+function ForOfPushLarge() {
+  var newArr = [];
+  for (let x of largeArray) {
+    newArr.push(x)
+  }
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: MapId
+// ----------------------------------------------------------------------------
+
+function MapIdLarge() {
+  var newArr = largeArray.map(x => x);
+  // basic sanity check
+  if (newArr.length != largeArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Setup and Run
+// ----------------------------------------------------------------------------
+
+load('../base.js');
+
+var success = true;
+
+function PrintResult(name, result) {
+  print(name + '-ArrayLiteralInitialSpreadLargeDoublePacked(Score): ' + result);
+}
+
+function PrintError(name, error) {
+  PrintResult('Error: ' + name, error);
+  success = false;
+}
+
+// Run the benchmark (5 x 100) iterations instead of 1 second.
+function CreateBenchmark(name, f) {
+  new BenchmarkSuite(name, [1000], [ new Benchmark(name, false, false, 5, f) ]);
+}
+
+CreateBenchmark('Spread', SpreadLarge);
+CreateBenchmark('ForLength', ForLengthLarge);
+CreateBenchmark('ForLengthEmpty', ForLengthEmptyLarge);
+CreateBenchmark('Slice', SliceLarge);
+CreateBenchmark('Slice0', Slice0Large);
+CreateBenchmark('ConcatReceive', ConcatReceiveLarge);
+CreateBenchmark('ConcatArg', ConcatArgLarge);
+
+BenchmarkSuite.config.doWarmup = true;
+BenchmarkSuite.config.doDeterministic = true;
+BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});

test/js-perf-test/ArrayLiteralInitialSpreadSmallDoubleHoley/run.js

@@ -0,0 +1,159 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Comparing different copy schemes against spread initial literals.
+// Benchmarks for small holey double arrays.
+
+const smallHoleyArray = Array(100);
+
+for (var i = 0; i < 10; i++) {
+  smallHoleyArray[i] = i + 6.66;
+}
+for (var i = 90; i < 99; i++) {
+  smallHoleyArray[i] = i + 6.66;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Spread
+// ----------------------------------------------------------------------------
+
+function SpreadSmallHoley() {
+  var newArr = [...smallHoleyArray];
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLength
+// ----------------------------------------------------------------------------
+
+function ForLengthSmallHoley() {
+  var newArr = new Array(smallHoleyArray.length);
+  for (let i = 0; i < smallHoleyArray.length; i++) {
+    newArr[i] = smallHoleyArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLengthEmpty
+// ----------------------------------------------------------------------------
+
+function ForLengthEmptySmallHoley() {
+  var newArr = [];
+  for (let i = 0; i < smallHoleyArray.length; i++) {
+    newArr[i] = smallHoleyArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice
+// ----------------------------------------------------------------------------
+
+function SliceSmallHoley() {
+  var newArr = smallHoleyArray.slice();
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice0
+// ----------------------------------------------------------------------------
+
+function Slice0SmallHoley() {
+  var newArr = smallHoleyArray.slice(0);
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatReceive
+// ----------------------------------------------------------------------------
+
+function ConcatReceiveSmallHoley() {
+  var newArr = smallHoleyArray.concat();
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatArg
+// ----------------------------------------------------------------------------
+
+function ConcatArgSmallHoley() {
+  var newArr = [].concat(smallHoleyArray);
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForOfPush
+// ----------------------------------------------------------------------------
+
+function ForOfPushSmallHoley() {
+  var newArr = [];
+  for (let x of smallHoleyArray) {
+    newArr.push(x)
+  }
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: MapId
+// ----------------------------------------------------------------------------
+
+function MapIdSmallHoley() {
+  var newArr = smallHoleyArray.map(x => x);
+  // basic sanity check
+  if (newArr.length != smallHoleyArray.length) throw 666;
+  return newArr;
+}
+
+
+// ----------------------------------------------------------------------------
+// Setup and Run
+// ----------------------------------------------------------------------------
+
+load('../base.js');
+
+var success = true;
+
+function PrintResult(name, result) {
+  print(name + '-ArrayLiteralInitialSpreadSmallDoubleHoley(Score): ' + result);
+}
+
+function PrintError(name, error) {
+  PrintResult('Error: ' + name, error);
+  success = false;
+}
+
+function CreateBenchmark(name, f) {
+  new BenchmarkSuite(name, [1000], [ new Benchmark(name, false, false, 0, f) ]);
+}
+
+CreateBenchmark('Spread', SpreadSmallHoley);
+CreateBenchmark('ForLength', ForLengthSmallHoley);
+CreateBenchmark('ForLengthEmpty', ForLengthEmptySmallHoley);
+CreateBenchmark('Slice', SliceSmallHoley);
+CreateBenchmark('Slice0', Slice0SmallHoley);
+CreateBenchmark('ConcatReceive', ConcatReceiveSmallHoley);
+CreateBenchmark('ConcatArg', ConcatArgSmallHoley);
+CreateBenchmark('ForOfPush', ForOfPushSmallHoley);
+CreateBenchmark('MapId', MapIdSmallHoley);
+
+BenchmarkSuite.config.doWarmup = true;
+BenchmarkSuite.config.doDeterministic = false;
+BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});

test/js-perf-test/ArrayLiteralInitialSpreadSmallDoublePacked/run.js

@@ -0,0 +1,154 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Comparing different copy schemes against spread initial literals.
+// Benchmarks for small packed double arrays.
+
+const smallHoleyArray = Array(100);
+const smallArray = Array.from(Array(100).keys()).map(x => x + 6.66);;
+
+// ----------------------------------------------------------------------------
+// Benchmark: Spread
+// ----------------------------------------------------------------------------
+
+function SpreadSmall() {
+  var newArr = [...smallArray];
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLength
+// ----------------------------------------------------------------------------
+
+function ForLengthSmall() {
+  var newArr = new Array(smallArray.length);
+  for (let i = 0; i < smallArray.length; i++) {
+    newArr[i] = smallArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForLengthEmpty
+// ----------------------------------------------------------------------------
+
+function ForLengthEmptySmall() {
+  var newArr = [];
+  for (let i = 0; i < smallArray.length; i++) {
+    newArr[i] = smallArray[i];
+  }
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice
+// ----------------------------------------------------------------------------
+
+function SliceSmall() {
+  var newArr = smallArray.slice();
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Slice0
+// ----------------------------------------------------------------------------
+
+function Slice0Small() {
+  var newArr = smallArray.slice(0);
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatReceive
+// ----------------------------------------------------------------------------
+
+function ConcatReceiveSmall() {
+  var newArr = smallArray.concat();
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ConcatArg
+// ----------------------------------------------------------------------------
+
+function ConcatArgSmall() {
+  var newArr = [].concat(smallArray);
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ForOfPush
+// ----------------------------------------------------------------------------
+
+function ForOfPushSmall() {
+  var newArr = [];
+  for (let x of smallArray) {
+    newArr.push(x)
+  }
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: MapId
+// ----------------------------------------------------------------------------
+
+function MapIdSmall() {
+  var newArr = smallArray.map(x => x);
+  // basic sanity check
+  if (newArr.length != smallArray.length) throw 666;
+  return newArr;
+}
+
+
+// ----------------------------------------------------------------------------
+// Setup and Run
+// ----------------------------------------------------------------------------
+
+load('../base.js');
+
+var success = true;
+
+function PrintResult(name, result) {
+  print(name + '-ArrayLiteralInitialSpreadSmallDoublePacked(Score): ' + result);
+}
+
+function PrintError(name, error) {
+  PrintResult('Error: ' + name, error);
+  success = false;
+}
+
+function CreateBenchmark(name, f) {
+  new BenchmarkSuite(name, [1000], [ new Benchmark(name, false, false, 0, f) ]);
+}
+
+CreateBenchmark('Spread', SpreadSmall);
+CreateBenchmark('ForLength', ForLengthSmall);
+CreateBenchmark('ForLengthEmpty', ForLengthEmptySmall);
+CreateBenchmark('Slice', SliceSmall);
+CreateBenchmark('Slice0', Slice0Small);
+CreateBenchmark('ConcatReceive', ConcatReceiveSmall);
+CreateBenchmark('ConcatArg', ConcatArgSmall);
+CreateBenchmark('ForOfPush', ForOfPushSmall);
+CreateBenchmark('MapId', MapIdSmall);
+
+
+BenchmarkSuite.config.doWarmup = true;
+BenchmarkSuite.config.doDeterministic = false;
+BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});

test/js-perf-test/JSTests.json

@@ -127,6 +127,74 @@
         {"name": "ConcatArg"}
       ]
     },
+    {
+      "name": "ArrayLiteralInitialSpreadSmallDoublePacked",
+      "path": ["ArrayLiteralInitialSpreadSmallDoublePacked"],
+      "main": "run.js",
+      "resources": [],
+      "results_regexp": "^%s\\-ArrayLiteralInitialSpreadSmallDoublePacked\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Spread"},
+        {"name": "ForLength"},
+        {"name": "ForLengthEmpty"},
+        {"name": "Slice"},
+        {"name": "Slice0"},
+        {"name": "ConcatReceive"},
+        {"name": "ConcatArg"},
+        {"name": "ForOfPush"},
+        {"name": "MapId"}
+      ]
+    },
+    {
+      "name": "ArrayLiteralInitialSpreadLargeDoublePacked",
+      "path": ["ArrayLiteralInitialSpreadLargeDoublePacked"],
+      "main": "run.js",
+      "resources": [],
+      "results_regexp": "^%s\\-ArrayLiteralInitialSpreadLargeDoublePacked\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Spread"},
+        {"name": "ForLength"},
+        {"name": "ForLengthEmpty"},
+        {"name": "Slice"},
+        {"name": "Slice0"},
+        {"name": "ConcatReceive"},
+        {"name": "ConcatArg"}
+      ]
+    },
+    {
+      "name": "ArrayLiteralInitialSpreadSmallDoubleHoley",
+      "path": ["ArrayLiteralInitialSpreadSmallDoubleHoley"],
+      "main": "run.js",
+      "resources": [],
+      "results_regexp": "^%s\\-ArrayLiteralInitialSpreadSmallDoubleHoley\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Spread"},
+        {"name": "ForLength"},
+        {"name": "ForLengthEmpty"},
+        {"name": "Slice"},
+        {"name": "Slice0"},
+        {"name": "ConcatReceive"},
+        {"name": "ConcatArg"},
+        {"name": "ForOfPush"},
+        {"name": "MapId"}
+      ]
+    },
+    {
+      "name": "ArrayLiteralInitialSpreadLargeDoubleHoley",
+      "path": ["ArrayLiteralInitialSpreadLargeDoubleHoley"],
+      "main": "run.js",
+      "resources": [],
+      "results_regexp": "^%s\\-ArrayLiteralInitialSpreadLargeDoubleHoley\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Spread"},
+        {"name": "ForLength"},
+        {"name": "ForLengthEmpty"},
+        {"name": "Slice"},
+        {"name": "Slice0"},
+        {"name": "ConcatReceive"},
+        {"name": "ConcatArg"}
+      ]
+    },
     {
       "name": "ArrayLiteralInitialSpreadSmallSmiMap",
       "path": ["ArrayLiteralInitialSpreadSmallSmiMap"],