public void TestCacheTrashingByteArray()
{
var size = 100;
var arr = new Array3D <byte[]>(new Point3(size, size, size));
arr.ForEach((v, p) => arr[p] = new byte[1024]);
byte add = 2;
PerformanceHelper.Measure(() =>
{
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
for (int z = 0; z < size; z++)
{
var value = arr.GetFast(x, y, z);
for (int i = 0; i < value.Length; i++)
{
add += value[i];
}
}
}
}
}).PrettyPrint().With(s => Console.WriteLine("xyz: " + s));
PerformanceHelper.Measure(() =>
{
for (int z = 0; z < size; z++)
{
for (int y = 0; y < size; y++)
{
for (int x = 0; x < size; x++)
{
var value = arr.GetFast(x, y, z);
for (int i = 0; i < value.Length; i++)
{
add += value[i];
}
}
}
}
}).PrettyPrint().With(s => Console.WriteLine("zyx: " + s));
}
public void TestCacheTrashing()
{
var size = 100 * 2;
var arr = new Array3D <int>(new Point3(size, size, size));
arr.ForEach((v, p) => arr[p] = p.X + p.Y + p.Z);
int add = 2;
PerformanceHelper.Measure(() =>
{
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
for (int z = 0; z < size; z++)
{
var value = arr.GetFast(x, y, z);
add = (add + value) % 1654654;
}
}
}
}).PrettyPrint().With(s => Console.WriteLine("xyz: " + s));
PerformanceHelper.Measure(() =>
{
for (int z = 0; z < size; z++)
{
for (int y = 0; y < size; y++)
{
for (int x = 0; x < size; x++)
{
var value = arr.GetFast(x, y, z);
add = (add + value) % 1654654;
}
}
}
}).PrettyPrint().With(s => Console.WriteLine("zyx: " + s));
}