public unsafe void Test_BigArray()
{
Console.WriteLine("Size of element: {0}, sizeof IntPtr: {1}",
sizeof(TestStruct), sizeof(IntPtr));
Int64 arrSize = 200 * 1000000;
Int64 byteSize = (Int64)(arrSize * (Int64)sizeof(TestStruct));
Console.WriteLine("Allocating {0:#,#} bytes...", byteSize);
TestStruct *pArray = (TestStruct *)UnmanagedMemory.AllocHGlobalEx(byteSize);
Console.WriteLine("Allocated {0:#,#} bytes", byteSize);
pArray[0].data[0] = 1;
Console.WriteLine("Filling with data...");
for (Int64 i = 0; i < arrSize; ++i)
{
pArray[i].data[0] = 10;
}
Console.WriteLine("Freeing memory");
UnmanagedMemory.FreeHGlobal(pArray);
}
/// <summary>
/// Allocate memory for arrays. Must be called when n, dim and k are set.
/// </summary>
public void Allocate()
{
points = (double *)UnmanagedMemory.AllocHGlobalEx(n * dim * 8);
centers = (double *)UnmanagedMemory.AllocHGlobalEx(k * dim * 8);
}