JS Inheritance Performance

var A = JRClass.extend({
  init: function(val){
    this.val = val;
  },
  method1: function(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
  }
});

var B = A.extend({
  init: function(val) {
    this._super(val);
  },
  method1: function(y, z) {
    this._super('x', y, z);
  }
});

var C = B.extend({
  init: function(val) {
    this._super(val);
  },
  method1: function(z) {
    this._super('y', z);
  }
});

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("y");

var A = klass(function(val) {
  this.val = val;
})
.methods({
  method1: function(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
  }
});

var B = A.extend(function(val) {
})
.methods({
  method1: function(y, z) {
    this.supr('x', y, z);
  }
});

var C = B.extend(function(val) {
})
.methods({
  method1: function(z) {
    this.supr('y', z);
  }
});

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("y");

var A = Classy.$extend({
  __init__: function(val){
    this.val = val;
  },
  method1: function(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
  }
});

var B = A.$extend({
  __init__: function(val) {
    this.$super(val);
  },
  method1: function(y, z) {
    this.$super('x', y, z);
  }
});

var C = B.$extend({
  __init__: function(val) {
    this.$super(val);
  },
  method1: function(z) {
    this.$super('y', z);
  }
});

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("z");

var A = Fiber.extend(function() {
  return {
    init: function(val) {
      this.val = val;
    },
    method1: function(x, y, z) {
      this.x = x;
      this.y = y;
      this.z = z;
    }
  }
});

var B = A.extend(function(base) {
  return {
    method1: function(y, z) {
      base.method1.call(this, 'x', y, z);
    }
  }
});

var C = B.extend(function(base) {
  return {
    method1: function(z) {
      base.method1.call(this, 'y', z);
    }
  }
});

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("z");

var A = Backbone.Model.extend({
  initalize: function(val) {
    this.val = val;
  },
  method1: function(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
  }
});

var B = A.extend({
  method1: function(y, z) {
    A.prototype.method1.call(this, 'x', y, z);
  }
});

var C = B.extend({
  method1: function(z) {
    B.prototype.method1.call(this, 'y', z);
  }
});


var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("y");

var A = new Class({
  initialize: function(val) {
    this.val = val;
  },
  method1: function(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
  }
});

var B = new Class({
  Extends: A,
  initialize: function(val) {
    this.parent(val);
  },
  method1: function(y, z) {
    this.parent('x', y, z);
  }
});

var C = new Class({
  Extends: B,
  initialize: function(val) {
    this.parent(val);
  },
  method1: function(z) {
    this.parent('y', z);
  }
});

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("z");

var A = function(val) {
  this.val = val;
}
A.prototype.method1 = function(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
};

var B = function(val) {
   B.superclass.constructor.call(this, val);
}
Ext.extend(B, A, {
   method1: function(y, z) {
      B.superclass.method1.call(this, 'x', y, z);
   }
});

var C = function(val) {
   C.superclass.constructor.call(this, val);
}
Ext.extend(C, B, {
   method1: function(z) {
      C.superclass.method1.call(this, 'y', z);
   }
});

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("z");

var A = PTClass.create({
  intialize: function(val){
    this.val = val;
  },
  method1: function(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
  }
});

var B = PTClass.create(A, {
  intialize: function($super, val) {
    $super(val);
  },
  method1: function($super, y, z) {
    $super('x', y, z);
  }
});

var C = PTClass.create(B, {
  intialize: function($super, val) {
    $super(val);
  },
  method1: function($super, z) {
    $super('y', z);
  }
});

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("c");

// Native
var A = function(val){
  if (!val) {
    this.val = val;
  }
}
A.prototype.method1 = function(x, y, z) {
  this.x = x;
  this.y = y;
  this.x = z;
}

var B = function(val) {
  A.call(this, val);
}
B.prototype = new A();
B.prototype.constructor = B;
B.prototype.method1 = function(y, z) {
  A.prototype.method1.call(this, 'x', y, z);
}

var C = function(val) {
  B.call(this, val);
}
C.prototype = new B();
C.prototype.constructor = C;
C.prototype.method1 = function(z) {
  B.prototype.method1.call(this, 'y', z);
};

var a = new A("a");
a.method1("x", "y", "z");

var b = new B("b");
b.method1("y", "z");

var c = new C("c");
c.method1("z");