Выделение памяти под int

public struct Int32 : IComparable, IFormattable, IConvertible, IComparable<int>, IEquatable<int>
    {
        public const int MaxValue = 2147483647;
        public const int MinValue = -2147483648;
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public int CompareTo(int value);
        public int CompareTo(object value);
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public bool Equals(int obj);
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public override bool Equals(object obj);
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public override int GetHashCode();
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public TypeCode GetTypeCode();
        public static int Parse(string s);
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public static int Parse(string s, IFormatProvider provider);
        public static int Parse(string s, NumberStyles style);
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public static int Parse(string s, NumberStyles style, IFormatProvider provider);
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        [SecuritySafeCritical]
        public override string ToString();
        [SecuritySafeCritical]
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public string ToString(IFormatProvider provider);
        [SecuritySafeCritical]
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public string ToString(string format);
        [SecuritySafeCritical]
        public string ToString(string format, IFormatProvider provider);
        public static bool TryParse(string s, out int result);
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
        public static bool TryParse(string s, NumberStyles style, IFormatProvider provider, out int result);
    }

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace STRUCT_Test {
    unsafe class Program {
        static void Main(string[] args) {
            TEST_1 t1 = new TEST_1();
            TEST_2 t2 = new TEST_2();
 
            TEST_1* t1Ptr = &t1;
            TEST_2* t2Ptr = &t2;
 
            t1Ptr->X = 10;
            t2Ptr->X = 20;
 
            Console.WriteLine("t1Ptr address: {0:X}, t1Ptr X value: {1}", (int)(t1Ptr), t1Ptr->X);
            Console.WriteLine("t2Ptr address: {0:X}, t2Ptr X value: {1}", (int)(t2Ptr), t2Ptr->X);
            Console.ReadLine();
        }
    }
    struct TEST_1 {
        public int X;
    }
    struct TEST_2 {
        public int X;
        public void Method() {
        }
    }
}

[StructLayout(LayoutKind.Sequential, Size = 16)]
internal struct MyStruct
{
    private int a;
    private int b;
}