8202095: JFR TestBiasedLockRevocationEvents should cope with multiple events during a single safepoint
Reviewed-by: mgronlun, egahlin
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/*
* A micro-benchmark for getters and setters with primitive values,
* alternating between ints and doubles. Introduction of primitive
* and optimistic user accessors in JDK-8062401 make this faster by
* 10x or more by allowing inlining and other optimizations to take place.
*/
var x = {
get m() {
return this._m;
},
set m(v) {
this._m = v;
},
get n() {
return this._n;
},
set n(v) {
this._n = v;
}
};
function bench(v1, v2, result) {
var start = Date.now();
x.n = v1;
for (var i = 0; i < 1e8; i++) {
x.m = v2;
if (x.m + x.n !== result) {
throw "wrong result";
}
}
print("done in", Date.now() - start, "millis");
}
for (var i = 0; i < 10; i++) {
bench(i, 4, 4 + i);
}
for (var i = 0; i < 10; i++) {
bench(i, 4.5, 4.5 + i);
}
for (var i = 0; i < 10; i++) {
bench(i, 5, 5 + i);
}
for (var i = 0; i < 10; i++) {
bench(i, 5.5, 5.5 + i);
}