Mon, 11 Jan 2016 13:45:31 -0800
Added tag jdk8u75-b03 for changeset 541de42b5709
hannesw@1074 | 1 | /* |
hannesw@1074 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
hannesw@1074 | 3 | * |
hannesw@1074 | 4 | * Redistribution and use in source and binary forms, with or without |
hannesw@1074 | 5 | * modification, are permitted provided that the following conditions |
hannesw@1074 | 6 | * are met: |
hannesw@1074 | 7 | * |
hannesw@1074 | 8 | * - Redistributions of source code must retain the above copyright |
hannesw@1074 | 9 | * notice, this list of conditions and the following disclaimer. |
hannesw@1074 | 10 | * |
hannesw@1074 | 11 | * - Redistributions in binary form must reproduce the above copyright |
hannesw@1074 | 12 | * notice, this list of conditions and the following disclaimer in the |
hannesw@1074 | 13 | * documentation and/or other materials provided with the distribution. |
hannesw@1074 | 14 | * |
hannesw@1074 | 15 | * - Neither the name of Oracle nor the names of its |
hannesw@1074 | 16 | * contributors may be used to endorse or promote products derived |
hannesw@1074 | 17 | * from this software without specific prior written permission. |
hannesw@1074 | 18 | * |
hannesw@1074 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
hannesw@1074 | 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
hannesw@1074 | 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
hannesw@1074 | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
hannesw@1074 | 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
hannesw@1074 | 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
hannesw@1074 | 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
hannesw@1074 | 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
hannesw@1074 | 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
hannesw@1074 | 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
hannesw@1074 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
hannesw@1074 | 30 | */ |
hannesw@1074 | 31 | |
hannesw@1074 | 32 | /* |
hannesw@1074 | 33 | * A micro-benchmark for getters and setters with primitive values, |
hannesw@1074 | 34 | * alternating between ints and doubles. Introduction of primitive |
hannesw@1074 | 35 | * and optimistic user accessors in JDK-8062401 make this faster by |
hannesw@1074 | 36 | * 10x or more by allowing inlining and other optimizations to take place. |
hannesw@1074 | 37 | */ |
hannesw@1074 | 38 | |
hannesw@1074 | 39 | var x = { |
hannesw@1074 | 40 | get m() { |
hannesw@1074 | 41 | return this._m; |
hannesw@1074 | 42 | }, |
hannesw@1074 | 43 | set m(v) { |
hannesw@1074 | 44 | this._m = v; |
hannesw@1074 | 45 | }, |
hannesw@1074 | 46 | get n() { |
hannesw@1074 | 47 | return this._n; |
hannesw@1074 | 48 | }, |
hannesw@1074 | 49 | set n(v) { |
hannesw@1074 | 50 | this._n = v; |
hannesw@1074 | 51 | } |
hannesw@1074 | 52 | }; |
hannesw@1074 | 53 | |
hannesw@1074 | 54 | |
hannesw@1074 | 55 | function bench(v1, v2, result) { |
hannesw@1074 | 56 | var start = Date.now(); |
hannesw@1074 | 57 | x.n = v1; |
hannesw@1074 | 58 | for (var i = 0; i < 1e8; i++) { |
hannesw@1074 | 59 | x.m = v2; |
hannesw@1074 | 60 | if (x.m + x.n !== result) { |
hannesw@1074 | 61 | throw "wrong result"; |
hannesw@1074 | 62 | } |
hannesw@1074 | 63 | } |
hannesw@1074 | 64 | print("done in", Date.now() - start, "millis"); |
hannesw@1074 | 65 | } |
hannesw@1074 | 66 | |
hannesw@1074 | 67 | for (var i = 0; i < 10; i++) { |
hannesw@1074 | 68 | bench(i, 4, 4 + i); |
hannesw@1074 | 69 | } |
hannesw@1074 | 70 | |
hannesw@1074 | 71 | for (var i = 0; i < 10; i++) { |
hannesw@1074 | 72 | bench(i, 4.5, 4.5 + i); |
hannesw@1074 | 73 | } |
hannesw@1074 | 74 | |
hannesw@1074 | 75 | for (var i = 0; i < 10; i++) { |
hannesw@1074 | 76 | bench(i, 5, 5 + i); |
hannesw@1074 | 77 | } |
hannesw@1074 | 78 | |
hannesw@1074 | 79 | for (var i = 0; i < 10; i++) { |
hannesw@1074 | 80 | bench(i, 5.5, 5.5 + i); |
hannesw@1074 | 81 | } |