aoqi@0: /* aoqi@0: * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. aoqi@0: * aoqi@0: * Redistribution and use in source and binary forms, with or without aoqi@0: * modification, are permitted provided that the following conditions aoqi@0: * are met: aoqi@0: * aoqi@0: * - Redistributions of source code must retain the above copyright aoqi@0: * notice, this list of conditions and the following disclaimer. aoqi@0: * aoqi@0: * - Redistributions in binary form must reproduce the above copyright aoqi@0: * notice, this list of conditions and the following disclaimer in the aoqi@0: * documentation and/or other materials provided with the distribution. aoqi@0: * aoqi@0: * - Neither the name of Oracle nor the names of its aoqi@0: * contributors may be used to endorse or promote products derived aoqi@0: * from this software without specific prior written permission. aoqi@0: * aoqi@0: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS aoqi@0: * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, aoqi@0: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR aoqi@0: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR aoqi@0: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, aoqi@0: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, aoqi@0: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR aoqi@0: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF aoqi@0: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING aoqi@0: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS aoqi@0: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. aoqi@0: */ aoqi@0: aoqi@0: aoqi@0: var str = "The quick gray nashorn jumps over the lazy zebra."; aoqi@0: aoqi@0: function bench(name, func) { aoqi@0: var start = Date.now(); aoqi@0: for (var iter = 0; iter < 5000000; iter++) { aoqi@0: func(); aoqi@0: } aoqi@0: print((Date.now() - start) + "\t" + name); aoqi@0: } aoqi@0: aoqi@0: bench("[]", function() { aoqi@0: str[0]; aoqi@0: str[1]; aoqi@0: str[2]; aoqi@0: }); aoqi@0: aoqi@0: bench("fromCharCode", function() { aoqi@0: String.fromCharCode(97); aoqi@0: String.fromCharCode(98); aoqi@0: String.fromCharCode(99); aoqi@0: }); aoqi@0: aoqi@0: bench("charAt 1", function() { aoqi@0: str.charAt(0); aoqi@0: str.charAt(1); aoqi@0: str.charAt(2); aoqi@0: }); aoqi@0: aoqi@0: bench("charAt 2", function() { aoqi@0: str.charAt(100); aoqi@0: str.charAt(-1); aoqi@0: }); aoqi@0: aoqi@0: bench("charCodeAt 1", function() { aoqi@0: str.charCodeAt(0); aoqi@0: str.charCodeAt(1); aoqi@0: str.charCodeAt(2); aoqi@0: }); aoqi@0: aoqi@0: bench("charCodeAt 2", function() { aoqi@0: str.charCodeAt(100); aoqi@0: str.charCodeAt(-1); aoqi@0: }); aoqi@0: aoqi@0: bench("indexOf 1", function() { aoqi@0: str.indexOf("T"); aoqi@0: str.indexOf("h"); aoqi@0: str.indexOf("e"); aoqi@0: }); aoqi@0: aoqi@0: bench("indexOf 2", function() { aoqi@0: str.indexOf("T", 0); aoqi@0: str.indexOf("h", 1); aoqi@0: str.indexOf("e", 2); aoqi@0: }); aoqi@0: aoqi@0: bench("lastIndexOf", function() { aoqi@0: str.indexOf("a"); aoqi@0: str.indexOf("r"); aoqi@0: str.indexOf("b"); aoqi@0: }); aoqi@0: aoqi@0: bench("slice", function() { aoqi@0: str.slice(5); aoqi@0: str.slice(5); aoqi@0: str.slice(5); aoqi@0: }); aoqi@0: aoqi@0: bench("split 1", function() { aoqi@0: str.split(); aoqi@0: }); aoqi@0: aoqi@0: bench("split 2", function() { aoqi@0: str.split("foo"); aoqi@0: }); aoqi@0: aoqi@0: bench("split 3", function() { aoqi@0: str.split(/foo/); aoqi@0: }); aoqi@0: aoqi@0: bench("substring 1", function() { aoqi@0: str.substring(0); aoqi@0: str.substring(0); aoqi@0: str.substring(0); aoqi@0: }); aoqi@0: aoqi@0: bench("substring 2", function() { aoqi@0: str.substring(0, 5); aoqi@0: str.substring(0, 5); aoqi@0: str.substring(0, 5); aoqi@0: }); aoqi@0: aoqi@0: bench("substr", function() { aoqi@0: str.substr(0); aoqi@0: str.substr(0); aoqi@0: str.substr(0); aoqi@0: }); aoqi@0: aoqi@0: bench("slice", function() { aoqi@0: str.slice(0); aoqi@0: str.slice(0); aoqi@0: str.slice(0); aoqi@0: }); aoqi@0: aoqi@0: bench("concat", function() { aoqi@0: str.concat(str); aoqi@0: str.concat(str); aoqi@0: str.concat(str); aoqi@0: }); aoqi@0: aoqi@0: bench("trim", function() { aoqi@0: str.trim(); aoqi@0: str.trim(); aoqi@0: str.trim(); aoqi@0: }); aoqi@0: aoqi@0: bench("toUpperCase", function() { aoqi@0: str.toUpperCase(); aoqi@0: }); aoqi@0: aoqi@0: bench("toLowerCase", function() { aoqi@0: str.toLowerCase(); aoqi@0: }); aoqi@0: aoqi@0: bench("valueOf", function() { aoqi@0: str.valueOf(); aoqi@0: str.valueOf(); aoqi@0: str.valueOf(); aoqi@0: }); aoqi@0: aoqi@0: bench("toString", function() { aoqi@0: str.toString(); aoqi@0: str.toString(); aoqi@0: str.toString(); aoqi@0: }); aoqi@0: aoqi@0: bench("String", function() { aoqi@0: String(str); aoqi@0: String(str); aoqi@0: String(str); aoqi@0: }); aoqi@0: aoqi@0: bench("new String", function() { aoqi@0: new String(str); aoqi@0: new String(str); aoqi@0: new String(str); aoqi@0: });