hannesw@1074: /*
hannesw@1074:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
hannesw@1074:  *
hannesw@1074:  * Redistribution and use in source and binary forms, with or without
hannesw@1074:  * modification, are permitted provided that the following conditions
hannesw@1074:  * are met:
hannesw@1074:  *
hannesw@1074:  *   - Redistributions of source code must retain the above copyright
hannesw@1074:  *     notice, this list of conditions and the following disclaimer.
hannesw@1074:  *
hannesw@1074:  *   - Redistributions in binary form must reproduce the above copyright
hannesw@1074:  *     notice, this list of conditions and the following disclaimer in the
hannesw@1074:  *     documentation and/or other materials provided with the distribution.
hannesw@1074:  *
hannesw@1074:  *   - Neither the name of Oracle nor the names of its
hannesw@1074:  *     contributors may be used to endorse or promote products derived
hannesw@1074:  *     from this software without specific prior written permission.
hannesw@1074:  *
hannesw@1074:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
hannesw@1074:  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
hannesw@1074:  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
hannesw@1074:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
hannesw@1074:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
hannesw@1074:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
hannesw@1074:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
hannesw@1074:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
hannesw@1074:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
hannesw@1074:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
hannesw@1074:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
hannesw@1074:  */
hannesw@1074: 
hannesw@1074: /*
hannesw@1074:  * A micro-benchmark for getters and setters with primitive values,
hannesw@1074:  * alternating between ints and doubles. Introduction of primitive
hannesw@1074:  * and optimistic user accessors in JDK-8062401 make this faster by
hannesw@1074:  * 10x or more by allowing inlining and other optimizations to take place.
hannesw@1074:  */
hannesw@1074: 
hannesw@1074: var x = {
hannesw@1074:     get m() {
hannesw@1074:         return this._m;
hannesw@1074:     },
hannesw@1074:     set m(v) {
hannesw@1074:         this._m = v;
hannesw@1074:     },
hannesw@1074:     get n() {
hannesw@1074:         return this._n;
hannesw@1074:     },
hannesw@1074:     set n(v) {
hannesw@1074:         this._n = v;
hannesw@1074:     }
hannesw@1074: };
hannesw@1074: 
hannesw@1074: 
hannesw@1074: function bench(v1, v2, result) {
hannesw@1074:     var start = Date.now();
hannesw@1074:     x.n = v1;
hannesw@1074:     for (var i = 0; i < 1e8; i++) {
hannesw@1074:         x.m = v2;
hannesw@1074:         if (x.m + x.n !== result) {
hannesw@1074:             throw "wrong result";
hannesw@1074:         }
hannesw@1074:     }
hannesw@1074:     print("done in", Date.now() - start, "millis");
hannesw@1074: }
hannesw@1074: 
hannesw@1074: for (var i = 0; i < 10; i++) {
hannesw@1074:     bench(i, 4, 4 + i);
hannesw@1074: }
hannesw@1074: 
hannesw@1074: for (var i = 0; i < 10; i++) {
hannesw@1074:     bench(i, 4.5, 4.5 + i);
hannesw@1074: }
hannesw@1074: 
hannesw@1074: for (var i = 0; i < 10; i++) {
hannesw@1074:     bench(i, 5, 5 + i);
hannesw@1074: }
hannesw@1074: 
hannesw@1074: for (var i = 0; i < 10; i++) {
hannesw@1074:     bench(i, 5.5, 5.5 + i);
hannesw@1074: }