void Benchmark_MemCopy()
{
int[] memItems =
{
32,
64,
128,
256,
Env.CHUNK_SIZE_WITH_PADDING_POW_2,
Env.CHUNK_SIZE_POW_3
};
int[] iters =
{
1000000,
1000000,
50000,
50000,
10000,
5000
};
Debug.Assert(memItems.Length == iters.Length);
int maxItems = memItems[memItems.Length - 1];
byte[] bd1 = Helpers.CreateArray1D <byte>(maxItems * StructSerialization.TSSize <BlockData> .ValueSize);
for (int i = 0; i < bd1.Length; i++)
{
bd1[i] = 1;
}
bd2 = Helpers.CreateArray1D <BlockData>(maxItems);
for (int i = 0; i < bd2.Length; i++)
{
bd2[i] = new BlockData(0x101);
}
BlockData dummy = new BlockData(0x101);
TestClass1 tc1 = new TestClass1();
TestClass2 tc2 = new TestClass2();
Debug.Log("Bechmark - memory copy");
using (StreamWriter writer = File.CreateText("perf_memcpy.txt"))
{
for (int i = 0; i < iters.Length; i++)
{
int loops = iters[i];
int items = memItems[i];
uint bytes = (uint)items * (uint)StructSerialization.TSSize <BlockData> .ValueSize;
Debug.LogFormat("Bytes to copy: {0}", bytes);
writer.WriteLine("Bytes to copy: {0}", bytes);
{
float[] number = { 0 };
t = Clock.BenchmarkTime(
() =>
{
tc1.Copy(bd1, 0, 0, bytes);
}, loops);
t2 = t / loops;
output = string.Format("MemoryCopy\nout:{0}\ntime:{1} | {2} ms", number[0],
t.ToString(CultureInfo.InvariantCulture), t2.ToString(CultureInfo.InvariantCulture));
Debug.Log(output);
foreach (string s in output.Split('\n'))
{
writer.WriteLine(s);
}
}
for (int j = 0; j < items; j++)
{
Assert.IsTrue(tc1[j] == dummy);
}
{
float[] number = { 0 };
double t = Clock.BenchmarkTime(
() =>
{
tc2.Copy(bd2, 0, 0, items);
}, loops);
t2 = t / loops;
output = string.Format("ArrayCopy\nout:{0}\ntime:{1} | {2} ms", number[0],
t.ToString(CultureInfo.InvariantCulture), t2.ToString(CultureInfo.InvariantCulture));
Debug.Log(output);
foreach (string s in output.Split('\n'))
{
writer.WriteLine(s);
}
}
for (int j = 0; j < items; j++)
{
Assert.IsTrue(tc2[j] == dummy);
}
}
}
}
