ExampleClass.cs

using UnityEngine;
using System.Text;

public class ExampleClass : MonoBehaviour
{
    private string result;

    private void OnGUI()
    {
        if ( GUILayout.Button( "Start" ) )
        {
            var builder = new StringBuilder();
            builder.AppendLine( Test(   1000 ) );
            builder.AppendLine( Test(  10000 ) );
            builder.AppendLine( Test( 100000 ) );
            var str = builder.ToString();
            Debug.Log( str );
            result = str;
        }

        GUILayout.Label( result );
    }

    private string Test( int count )
    {
        var builder = new StringBuilder();
        builder.AppendFormat( "■{0}件", count ).AppendLine();
        {
            var startTime = Time.realtimeSinceStartup;
            for ( int i = 0; i < count; i++ )
            {
                Resources.Load<Texture>( "image" );
            }
            var time = Time.realtimeSinceStartup - startTime;
            builder.AppendFormat( "Resources.Load: {0}", time ).AppendLine();
        }
        {
            var startTime = Time.realtimeSinceStartup;
            Loader.Clear();
            for ( int i = 0; i < count; i++ )
            {
                Loader.Load( "image" );
            }
            var time = Time.realtimeSinceStartup - startTime;
            builder.AppendFormat( "Loader.Load: {0}", time ).AppendLine();
        }
        return builder.ToString();
    }
}