[Interpreter] Add js-perf-test benchmark for compare bytecode handlers.

Adds a micro benchmark in js-perf-test to measure the performance of
compare bytecode handlers.

Bug:v8:4280

Change-Id: Ic86d670f8f09147076a22cfeff2e1ec052afe20c
Reviewed-on: https://chromium-review.googlesource.com/485522
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44843}

test/js-perf-test/BytecodeHandlers/compare.js

@@ -0,0 +1,157 @@
+// Copyright 2017 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.
+
+function addBenchmark(name, test) {
+  new BenchmarkSuite(name, [1000],
+      [
+        new Benchmark(name, false, false, 0, test)
+      ]);
+}
+
+addBenchmark('Smi-StrictEquals-True', SmiStrictEqualsTrue);
+addBenchmark('Smi-StrictEquals-False', SmiStrictEqualsFalse);
+addBenchmark('Number-StrictEquals-True', NumberStrictEqualsTrue);
+addBenchmark('Number-StrictEquals-False', NumberStrictEqualsFalse);
+addBenchmark('String-StrictEquals-True', StringStrictEqualsTrue);
+addBenchmark('String-StrictEquals-False', StringStrictEqualsFalse);
+addBenchmark('SmiString-StrictEquals', MixedStrictEquals);
+addBenchmark('Smi-Equals-True', SmiEqualsTrue);
+addBenchmark('Smi-Equals-False', SmiEqualsFalse);
+addBenchmark('Number-Equals-True', NumberEqualsTrue);
+addBenchmark('Number-Equals-False', NumberEqualsFalse);
+addBenchmark('String-Equals-True', StringEqualsTrue);
+addBenchmark('String-Equals-False', StringEqualsFalse);
+addBenchmark('SmiString-Equals', MixedEquals);
+addBenchmark('ObjectNull-Equals', ObjectEqualsNull);
+addBenchmark('Smi-RelationalCompare', SmiRelationalCompare);
+addBenchmark('Number-RelationalCompare', NumberRelationalCompare);
+addBenchmark('String-RelationalCompare', StringRelationalCompare);
+addBenchmark('SmiString-RelationalCompare', MixedRelationalCompare);
+
+var null_object;
+
+function strictEquals(a, b) {
+  for (var i = 0; i < 1000; ++i) {
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+    a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b; a === b;
+  }
+}
+
+function equals(a, b) {
+  for (var i = 0; i < 1000; ++i) {
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+    a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b; a == b;
+  }
+}
+
+// Relational comparison handlers are similar, so use one benchmark to measure
+// all of them.
+function relationalCompare(a, b) {
+  for (var i = 0; i < 1000; ++i) {
+    a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b;
+    a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b;
+    a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b; a > b;
+    a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b;
+    a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b;
+    a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b; a >= b;
+    a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b;
+    a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b;
+    a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b; a < b;
+    a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b;
+    a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b;
+    a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b; a <= b;
+  }
+}
+
+function SmiStrictEqualsFalse() {
+ strictEquals(10, 20);
+}
+
+function SmiStrictEqualsTrue() {
+ strictEquals(10, 10);
+}
+
+function NumberStrictEqualsFalse() {
+ strictEquals(0.3333, 0.3334);
+}
+
+function NumberStrictEqualsTrue() {
+ strictEquals(0.3333, 0.3333);
+}
+
+function StringStrictEqualsFalse() {
+ strictEquals("abc", "def");
+}
+
+function StringStrictEqualsTrue() {
+ strictEquals("abc", "abc");
+}
+
+function MixedStrictEquals() {
+ strictEquals(10, "10");
+}
+
+function SmiEqualsFalse() {
+ strictEquals(10, 20);
+}
+
+function SmiEqualsTrue() {
+ strictEquals(10, 10);
+}
+
+function NumberEqualsFalse() {
+ strictEquals(0.3333, 0.3334);
+}
+
+function NumberEqualsTrue() {
+ strictEquals(0.3333, 0.3333);
+}
+
+function StringEqualsFalse() {
+ strictEquals("abc", "def");
+}
+
+function StringEqualsTrue() {
+ strictEquals("abc", "abc");
+}
+
+function MixedEquals() {
+ strictEquals(10, "10");
+}
+
+function ObjectEqualsNull(null_object) {
+ strictEquals(null_object, null);
+}
+
+function SmiRelationalCompare() {
+ relationalCompare(10, 20);
+}
+
+function NumberRelationalCompare() {
+ relationalCompare(0.3333, 0.3334);
+}
+
+function StringRelationalCompare() {
+ relationalCompare("abc", "def");
+}
+
+function MixedRelationalCompare() {
+ relationalCompare(10, "10");
+}

test/js-perf-test/BytecodeHandlers/run.js

@@ -0,0 +1,29 @@
+// Copyright 2014 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.
+
+
+load('../base.js');
+
+load('compare.js');
+
+var success = true;
+
+function PrintResult(name, result) {
+  print(name + '-BytecodeHandler(Score): ' + result);
+}
+
+function PrintStep(name) {}
+
+function PrintError(name, error) {
+  PrintResult(name, error);
+  success = false;
+}
+
+
+BenchmarkSuite.config.doWarmup = undefined;
+BenchmarkSuite.config.doDeterministic = undefined;
+
+BenchmarkSuite.RunSuites({ NotifyResult: PrintResult,
+                           NotifyError: PrintError,
+                           NotifyStep: PrintStep });

test/js-perf-test/JSTests.json

@@ -413,6 +413,28 @@
         {"name": "BasicImport"},
         {"name": "BasicNamespace"}
       ]
+    },
+    {
+      "name": "BytecodeHandlers",
+      "path": ["BytecodeHandlers"],
+      "main": "run.js",
+      "resources": [ "compare.js" ],
+      "flags": [ "--no-opt" ],
+      "results_regexp": "^%s\\-BytecodeHandler\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Smi-StrictEquals"},
+        {"name": "Number-StrictEquals"},
+        {"name": "String-StrictEquals"},
+        {"name": "SmiString-StrictEquals"},
+        {"name": "Smi-Equals"},
+        {"name": "Number-Equals"},
+        {"name": "String-Equals"},
+        {"name": "SmiString-Equals"},
+        {"name": "Smi-RelationalCompare"},
+        {"name": "Number-RelationalCompare"},
+        {"name": "String-RelationalCompare"},
+        {"name": "SmiString-RelationalCompare"}
+      ]
     }
   ]
 }