Benchmark: ES6 property (get/set) & getter/setter function vs direct access to object attribute (private and not) v2

ES6 property (get/set) & getter/setter function vs direct access to object attribute (private and not) v2 (version: 0)

Comparing performance of: Public ES6 property (get) vs Public Getter function vs Public ES6 property (set) vs Public Setter function vs Private ES6 property (get) vs Private Getter function vs Private ES6 property (set) vs Private Setter function vs Null Prototype Directly Set vs Null Prototype Directly Get vs Frozen Object Literal (Get) vs Frozen Object Literal (Set) vs Frozen Object Literal Getter Function vs Frozen Object Literal Setter Function;

Created: 2 years ago by: Guest

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Script Preparation code:

var nullProto = Object.create( null );
nullProto.value = 0;

var frozen = Object.freeze( {
    _value: 0,
    get value() {
        return this._value;
    },
    set value(x) {
        this._value = x
    },
    getValue() {
        return this._value
    },
    setValue(x) {
        this._value = x
    }
} );

class Private {
    #value = 0;
    constructor() {
        this.#value = 1
    }
    get value() {
        return this.#value
    }
    set value(x) {
        this.#value = x
    }
    getValue() {
        return this.#value
    }
    setValue(x) {
        this.#value = x
    }
}

class Public {
    value = 0;
    constructor() {
        this.value = 1
    }
    get value() {
        return this.value
    }
    set value(x) {
        this.value = x
    }
    getValue() {
        return this.value
    }
    setValue(x) {
        this.value = x
    }
}

var private = new Private();
var public = new Public();
var val = 0;

Tests:

Public ES6 property (get)
val = public.value;
Public Getter function
val = public.getValue();
Public ES6 property (set)
public.value = 1;
Public Setter function
public.setValue(1);
Private ES6 property (get)
val = private.value;
Private Getter function
val = private.getValue();
Private ES6 property (set)
private.value = 2;
Private Setter function
private.setValue(2);
Null Prototype Directly Set
nullProto.value = 3;
Null Prototype Directly Get
val = nullProto.value;
Frozen Object Literal (Get)
val = frozen.value;
Frozen Object Literal (Set)
frozen.value = 4;
Frozen Object Literal Getter Function
val = frozen.getValue();
Frozen Object Literal Setter Function;
val = frozen.setValue( 4 );

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Public ES6 property (get)
Public Getter function
Public ES6 property (set)
Public Setter function
Private ES6 property (get)
Private Getter function
Private ES6 property (set)
Private Setter function
Null Prototype Directly Set
Null Prototype Directly Get
Frozen Object Literal (Get)
Frozen Object Literal (Set)
Frozen Object Literal Getter Function
Frozen Object Literal Setter Function;

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 7 months ago)

User agent: Mozilla/5.0 (Android 13; Mobile; rv:145.0) Gecko/145.0 Firefox/145.0

Browser/OS: Firefox Mobile 145 on Android

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Test name	Executions per second
Public ES6 property (get)	330210592.0 Ops/sec
Public Getter function	328588736.0 Ops/sec
Public ES6 property (set)	420400896.0 Ops/sec
Public Setter function	385235264.0 Ops/sec
Private ES6 property (get)	331943680.0 Ops/sec
Private Getter function	328996416.0 Ops/sec
Private ES6 property (set)	426525568.0 Ops/sec
Private Setter function	430546720.0 Ops/sec
Null Prototype Directly Set	427756480.0 Ops/sec
Null Prototype Directly Get	330110656.0 Ops/sec
Frozen Object Literal (Get)	330315744.0 Ops/sec
Frozen Object Literal (Set)	12879115.0 Ops/sec
Frozen Object Literal Getter Function	255126336.0 Ops/sec
Frozen Object Literal Setter Function;	12328561.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

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