v8/test/js-perf-test/RegExp/base_search.js
jgruber b034b71568 [js-perf-test] Add RegExp microbenchmarks
This adds microbenchmarks for:

* the RegExp constructor,
* flag accessors,
* and RegExp functions: exec, @@match, @@search, test, @@split, @@replace.

Each benchmark is further split to measure fast and slow paths.

BUG=v8:5339

Review-Url: https://codereview.chromium.org/2521263003
Cr-Commit-Position: refs/heads/master@{#41285}
2016-11-25 09:25:23 +00:00

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697 B
JavaScript

// Copyright 2016 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");
var str;
var re;
function SimpleSearch() {
str.search(re);
}
function Search1Setup() {
re = /[Cz]/;
str = createHaystack();
}
function Search2Setup() {
re = /[Cz]/;
re.lastIndex = 42; // Force lastIndex restoration.
str = createHaystack();
}
function Search3Setup() {
re = /[cZ]/; // Not found.
str = createHaystack();
}
var benchmarks = [ [SimpleSearch, Search1Setup],
[SimpleSearch, Search2Setup],
[SimpleSearch, Search3Setup],
];