Singleton test

singleton.gml

function Test() constructor {
	static test = "--- singleton test";
}

Test();

function get_test() {
	return static_get(Test);
}

/// timer

function timer(_name = "") constructor {
    name = string(_name);
    time = get_timer();
    
    static total = function() {
        var ddelta = get_timer() - time;
        var ss = string_format( ddelta/repeats, 1, 10);
        show_debug_message(string((ddelta)/1000) + "ms - " + ss + " per iteration " + name);
    }
}

#macro repeats 10000

///

global.singleton = new Test();

var a, s, t;

t = new timer("A");
repeat(repeats) {
	a = Test.test;
}
t.total();

t = new timer("B");
repeat(repeats) {
	a = static_get(Test).test;
}
t.total();

t = new timer("C");
repeat(repeats) {
	a = get_test().test;
}
t.total();

t = new timer("D");
repeat(repeats) {
	a = global.singleton.test;
}
t.total();

t = new timer("E");
s = static_get(Test);
repeat(repeats) {
	a = s.test;
}
t.total();

t = new timer("F");
s = global.singleton;
repeat(repeats) {
	a = s.test;
}
t.total();