8218997: Xusage text, man help, etc doesn't mention -Xlog option.
Reviewed-by: dholmes
/*
* 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));
}