NodeJS Number and Integer Performance Test

var ITERATION_COUNT = 500000000;

function runTest()
{
    runPureAddIntTest();
    runPureSubtractIntTest();

    runPureFloatAddTest();
    runPureSubstractFloatTest();

    runPureIntPowerTest();
    runPurePowerFloatTest();

    runPureDivisionFloatTest();

    runAddIntTest();
    runSubstractIntTest();
    runFloatAddTest();
    runSubstractFloatTest();
    runIntPowerTest();
    runFloatPowerTest();
    runIntModuloTest();
    runFloatModuloTest();
}

function runPureAddIntTest()
{
    var i = 0;
    var a = 0;
    var b = 0;
    var c = 0;
    var d = 0;
    var f = 0;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        a++;
        b++;
        c++;
        d++;
        f++;
    }

    console.log("Pure addition int test complete in: " + (new Date().getTime() - startTime).toString());
}

function runPureSubtractIntTest()
{
    var i  = 0;
    var a  = Number.MAX_SAFE_INTEGER;
    var b  = Number.MAX_SAFE_INTEGER;
    var c  = Number.MAX_SAFE_INTEGER;
    var d  = Number.MAX_SAFE_INTEGER;
    var f  = Number.MAX_SAFE_INTEGER;

    var startTime = new Date().getTime();

    for(i = ITERATION_COUNT; i > 0; i--)
    {
        a--;
        b--;
        c--;
        d--;
        f--;
    }

    console.log("Pure subtract int test complete in: " + (new Date().getTime() - startTime).toString());
}

function runPureFloatAddTest()
{
    var i = 0;
    var a = 0;
    var b = 0;
    var c = 0;
    var d = 0;
    var f = 0;

    var increment1 = 0.1;
    var increment2 = 0.2;
    var increment3 = 0.3;
    var increment4 = 0.4;
    var increment5 = 0.5;


    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        a += increment1;
        b += increment2;
        c += increment3;
        d += increment4;
        f += increment5;
    }

    console.log("Pure addition float test complete in: " + (new Date().getTime() - startTime).toString());
}

function runPureSubstractFloatTest()
{
    var i = 0;
    var a = 0;
    var b = 0;
    var c = 0;
    var d = 0;
    var f = 0;

    var increment1 = 0.1;
    var increment2 = 0.2;
    var increment3 = 0.3;
    var increment4 = 0.4;
    var increment5 = 0.5;

    var startTime = new Date().getTime();

    for(i = ITERATION_COUNT; i > 0; i--)
    {
        a -= increment1;
        b -= increment2;
        c -= increment3;
        d -= increment4;
        f -= increment5;
    }

    console.log("Pure subtract float test complete in: " + (new Date().getTime() - startTime).toString());
}

function runPureIntPowerTest()
{
    var i = 0;
    var a = 0;
    var b = 0;
    var c = 0;
    var d = 0;
    var f = 0;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        a *= 2;
        b *= 2;
        c *= 2;
        d *= 2;
        f *= 2;
    }

    console.log("Pure power int test complete in: " + (new Date().getTime() - startTime).toString());
}

function runPurePowerFloatTest()
{
    var i = 0;
    var a = 0;
    var b = 0;
    var c = 0;
    var d = 0;
    var f = 0;

    var increment1 = 0.1;
    var increment2 = 0.2;
    var increment3 = 0.3;
    var increment4 = 0.4;
    var increment5 = 0.5;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        a *= increment1;
        b *= increment2;
        c *= increment3;
        d *= increment4;
        f *= increment5;
    }

    console.log("Pure power float test complete in: " + (new Date().getTime() - startTime).toString());
}

function runPureDivisionFloatTest()
{
    var i = 0;
    var a = Number.MAX_VALUE;
    var b = Number.MAX_VALUE;
    var c = Number.MAX_VALUE;
    var d = Number.MAX_VALUE;
    var f = Number.MAX_VALUE;

    var div1 = 1.0001;
    var div2 = 1.0002;
    var div3 = 1.0003;
    var div4 = 1.0004;
    var div5 = 1.0005;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        a /= div1;
        b /= div2;
        c /= div3;
        d /= div4;
        f /= div5;
    }

    console.log("Pure division float test complete in: " + (new Date().getTime() - startTime).toString());
}

function runAddIntTest()
{
    var i = 0;
    var c = 0;
    var m = 0;
    var f = 0;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(c % 2 == 0)
        {
            c++;
            f += c;
        }
        else
        {
            c += 2;
            f += c;
        }

        if(m % 2 == 0)
        {
            m++;
            f += m;
        }
        else
        {
            m += 2;
            f += m;
        }
    }

    console.log("Addition int test complete in: " + (new Date().getTime() - startTime).toString());
}

function runSubstractIntTest()
{
    var i = 0;
    var c1 = 1;
    var c2 = 2;

    var d = Number.MAX_SAFE_INTEGER;
    var m = Number.MAX_SAFE_INTEGER;
    var f = Number.MAX_SAFE_INTEGER;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(d % 2 == 0)
        {
            d--;
            f -= c1;
        }
        else
        {
            d -= c2;
            f -= c2;
        }

        if(m % 2 == 0)
        {
            m--;
            f -= c1;
        }
        else
        {
            m -= c2;
            f -= c2;
        }
    }

    console.log("Subtract int test complete in: " + (new Date().getTime() - startTime).toString());
}

function runFloatAddTest()
{
    var i = 0;
    var c = 0;
    var m = 0;
    var f = 0;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(i % 2 == 0)
        {
            c++;
            f += c;
        }
        else
        {
            c += 2;
            f += c;
        }

        if(i % 2 == 0)
        {
            m++;
            f += m;
        }
        else
        {
            m += 2;
            f += m;
        }
    }

    console.log("Addition float test complete in: " + (new Date().getTime() - startTime).toString());
}

function runSubstractFloatTest()
{
    var i = 0;

    var c1 = 1.1;
    var c2 = 2.2;

    var d = Number.MAX_VALUE;
    var m = Number.MAX_VALUE;
    var f = Number.MAX_VALUE;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(i % 2 == 0)
        {
            d--;
            f -= c1;
        }
        else
        {
            d -= c2;
            f -= c2;
        }

        if(i % 2 == 0)
        {
            d--;
            f -= c1;
        }
        else
        {
            d -= c2;
            f -= c2;
        }
    }

    console.log("Subtract float test complete in: " + (new Date().getTime() - startTime).toString());
}

function runIntPowerTest()
{
    var i = 0;

    var c = 0;

    var c1 = 2;
    var c2 = 3;

    var m = 0;
    var f = 0;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(c % 2 == 0)
        {
            c *= c1;
            f *= c;
        }
        else
        {
            c *= c2;
            f *= c;
        }

        if(m % 2 == 0)
        {
            m *= c1;
            f += m;
        }
        else
        {
            m += c2;
            f += m;
        }
    }

    console.log("Power int test complete in: " + (new Date().getTime() - startTime).toString());
}

function runFloatPowerTest()
{
    var i = 0;

    var c = 0;

    var c1 = 1.5;
    var c2 = 1.9;

    var m = 0;
    var f = 0;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(i % 2 == 0)
        {
            c *= c1;
            f *= c;
        }
        else
        {
            c *= c2;
            f *= c;
        }

        if(i % 2 == 0)
        {
            m *= c1;
            f += m;
        }
        else
        {
            m += c2;
            f += m;
        }
    }

    console.log("Power float test complete in: " + (new Date().getTime() - startTime).toString());
}

function runIntModuloTest()
{
    var i = 0;

    var c = 2;

    var c1 = 2;
    var c2 = 3;

    var m = 4;
    var f = 8;

    var hasRemainder;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(i % 2 == 0)
        {
            hasRemainder = c % c1 == 0;
            hasRemainder = f % c == 0;
        }
        else
        {
            hasRemainder = c % c2 == 0;
            hasRemainder = f % c == 0;
        }

        if(i % 2 == 0)
        {
            hasRemainder = m % c1 == 0;
            hasRemainder = f % m == 0;
        }
        else
        {
            hasRemainder = m % c2 == 0;
            hasRemainder = f % m == 0;
        }
    }

    console.log("Modulo int test complete in: " + (new Date().getTime() - startTime).toString());
}

function runFloatModuloTest()
{
    var i = 0;

    var c = 2.0;

    var c1 = 1.5;
    var c2 = 1.9;

    var m = 4.0;
    var f = 8.0;

    var hasRemainder;

    var startTime = new Date().getTime();

    for(i = 0; i <= ITERATION_COUNT; i++)
    {
        if(i % 2 == 0)
        {
            hasRemainder = c % c1 == 0.0;
            hasRemainder = f % c == 0.0;
        }
        else
        {
            hasRemainder = c % c2 == 0.0;
            hasRemainder = f % c == 0.0;
        }

        if(i % 2 == 0)
        {
            hasRemainder = m % c1 == 0.0;
            hasRemainder = f % m == 0.0;
        }
        else
        {
            hasRemainder = m % c2 == 0.0;
            hasRemainder = f % m == 0.0;
        }
    }

    console.log("Modulo float test complete in: " + (new Date().getTime() - startTime).toString());
}


setTimeout(runTest, 500);