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: 10 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

View result in a separate tab

Private Setter function

430.5M/s

Null Prototype Directly Set

427.8M/s

Private ES6 property (set)

426.5M/s

Public ES6 property (set)

420.4M/s

Public Setter function

385.2M/s

Private ES6 property (get)

331.9M/s

Frozen Object Literal (Get)

330.3M/s

Public ES6 property (get)

330.2M/s

Null Prototype Directly Get

330.1M/s

Private Getter function

329.0M/s

Public Getter function

328.6M/s

Frozen Object Literal Getter Function

255.1M/s

Frozen Object Literal (Set)

12.9M/s

Frozen Object Literal Setter Function;

12.3M/s

View exact numbers

Test name	Executions per second
✓ Private Setter function	430,546,720 Ops/sec
Null Prototype Directly Set	427,756,480 Ops/sec
Private ES6 property (set)	426,525,568 Ops/sec
Public ES6 property (set)	420,400,896 Ops/sec
Public Setter function	385,235,264 Ops/sec
Private ES6 property (get)	331,943,680 Ops/sec
Frozen Object Literal (Get)	330,315,744 Ops/sec
Public ES6 property (get)	330,210,592 Ops/sec
Null Prototype Directly Get	330,110,656 Ops/sec
Private Getter function	328,996,416 Ops/sec
Public Getter function	328,588,736 Ops/sec
Frozen Object Literal Getter Function	255,126,336 Ops/sec
Frozen Object Literal (Set)	12,879,115 Ops/sec
Frozen Object Literal Setter Function;	12,328,561 Ops/sec

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

LLMs can make mistakes. Check important info.