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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
namespace ToBoxOrNotToBox
{
public interface IObjectId
{
}
internal class ClassObjectId : IObjectId
{
private int m_TypeId;
private long m_InstanceId;
public int TypeId
{
get { return m_TypeId; }
set { m_TypeId = value; }
}
public long InstanceId
{
get { return m_InstanceId; }
set { m_InstanceId = value; }
}
public ClassObjectId(int typeId, long instanceId)
{
m_TypeId = typeId;
m_InstanceId = instanceId;
}
}
internal struct InternalObjectId
{
private int m_TypeId;
private long m_InstanceId;
public int TypeId
{
get { return m_TypeId; }
set { m_TypeId = value; }
}
public long InstanceId
{
get { return m_InstanceId; }
set { m_InstanceId = value; }
}
public InternalObjectId(int typeId, long instanceId)
{
m_TypeId = typeId;
m_InstanceId = instanceId;
}
}
public struct ObjectId
{
private int m_TypeId;
private long m_InstanceId;
internal ObjectId(InternalObjectId id)
{
m_TypeId = id.TypeId;
m_InstanceId = id.InstanceId;
}
}
class Program
{
static void PerfTest2(int count, int length)
{
for (int i = 0; i < count; i++)
{
ClassObjectId[] internalIds = new ClassObjectId[length];
for (int k = 0; k < length; k++)
{
internalIds[k] = new ClassObjectId(10, k + 1);
}
IObjectId[] publicIds = new IObjectId[length];
Array.Copy(internalIds, publicIds, length);
}
}
static void PerfTest1(int count, int length)
{
for (int i = 0; i < count; i++)
{
InternalObjectId[] internalIds = new InternalObjectId[length];
for (int k = 0; k < length; k++)
{
internalIds[k] = new InternalObjectId(10, k + 1);
}
ObjectId[] publicIds = new ObjectId[length];
for (int k = 0; k < length; k++)
{
publicIds[k] = new ObjectId(internalIds[k]);
}
}
}
static void Main(string[] args)
{
const int baseCount = 2000000;
for (int i = 1; i <= 1000000; i+=10000)
{
int count = baseCount / i;
PerfTest1(count, i);
PerfTest2(count, i);
}
}
}
}
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