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