Run results for: Wrapping objects method removal performance

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Proxy method

5.8M/s

Replaced method

4.1M/s

View exact numbers

Test name	Executions per second
✓ Proxy method	5,841,366 Ops/sec
Replaced method	4,063,182 Ops/sec

Script Preparation code:

class Parent {
    next = null
    constructor(next) {
        this.next = next
    }
    foo() {
        return "Parent"
    }
    optimize() {
        this.next?.optimize()
    }
}
class Wrapper extends Parent {
    foo() {
        return this.next.foo()
    }
    optimize() {
        this.next.optimize()
        this.foo = this.next.foo
    }
}
class Unwrappable extends Parent {
    foo() {
        return this.next.foo()
    }
}
class Child1 extends Parent {
    foo() {
        return "Child1"
    }
}
class Child2 extends Parent {
    foo() {
        return "Child2"
    }
}
var a = new Wrapper(new Unwrappable(new Wrapper(new Wrapper(new Unwrappable(new Wrapper(new Child2()))))))
var b = new Wrapper(new Unwrappable(new Wrapper(new Wrapper(new Unwrappable(new Wrapper(new Child1()))))))
b.optimize()

Tests:

Proxy method
for (let i = 0; i < 10; ++i) { if (a.foo() !== "Child2") { throw new Error("Unexpected result") } }
Replaced method
for (let i = 0; i < 10; ++i) { if (b.foo() !== "Child1") { throw new Error("Unexpected result") } }