/* * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ function bench(name, func) { var start = Date.now(); for (var iter = 0; iter < 5000000; iter++) { func(); } print(name + "\t" + (Date.now() - start)); } function uint32(value) { return function() { value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; value >>> 0; }; } function int32(value) { return function() { value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; value >> 0; }; } print("\nToUint32"); for (var i = 1; i < 3; i++) { bench("infinity ", uint32(Infinity)); bench("infinity neg ", uint32(-Infinity)); bench("nan ", uint32(NaN)); bench("small ", uint32(1)); bench("small neg ", uint32(-1)); bench("small frac ", uint32(1.5)); bench("small neg frac", uint32(-1.5)); bench("large ", uint32(9223372036854775807)); bench("large neg ", uint32(-9223372036854775808)); } print("\nToInt32"); for (var i = 1; i < 3; i++) { bench("infinity ", int32(Infinity)); bench("infinity neg ", int32(-Infinity)); bench("nan ", int32(NaN)); bench("small ", int32(1)); bench("small neg ", int32(-1)); bench("small frac ", int32(1.5)); bench("small neg frac", int32(-1.5)); bench("large ", int32(9223372036854775807)); bench("large neg ", int32(-9223372036854775808)); }