108 lines
3.4 KiB
JavaScript
108 lines
3.4 KiB
JavaScript
/*
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* Copyright (c) 2010, 2013, 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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function bench(name, func) {
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var start = Date.now();
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for (var iter = 0; iter < 5000000; iter++) {
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func();
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}
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print(name + "\t" + (Date.now() - start));
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}
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function uint32(value) {
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return function() {
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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value >>> 0;
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};
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}
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function int32(value) {
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return function() {
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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value >> 0;
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};
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}
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print("\nToUint32");
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for (var i = 1; i < 3; i++) {
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bench("infinity ", uint32(Infinity));
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bench("infinity neg ", uint32(-Infinity));
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bench("nan ", uint32(NaN));
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bench("small ", uint32(1));
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bench("small neg ", uint32(-1));
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bench("small frac ", uint32(1.5));
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bench("small neg frac", uint32(-1.5));
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bench("large ", uint32(9223372036854775807));
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bench("large neg ", uint32(-9223372036854775808));
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}
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print("\nToInt32");
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for (var i = 1; i < 3; i++) {
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bench("infinity ", int32(Infinity));
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bench("infinity neg ", int32(-Infinity));
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bench("nan ", int32(NaN));
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bench("small ", int32(1));
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bench("small neg ", int32(-1));
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bench("small frac ", int32(1.5));
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bench("small neg frac", int32(-1.5));
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bench("large ", int32(9223372036854775807));
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bench("large neg ", int32(-9223372036854775808));
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}
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