private static void SpeedTestFillArray()
{
int count = 10000000;
//bytes
byte[] bytes = new byte[count];
Stopwatch stopwatch = Stopwatch.StartNew();
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] = SRandom.NextByte();
}
stopwatch.Stop();
var nextByteTime = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
stopwatch.Start();
SRandom.FillArray(bytes);
stopwatch.Stop();
var fillArrayTime = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
stopwatch.Start();
byte[] b = new byte[8];
for (int i = 0; i < bytes.Length / 8; i++)
{
SRandom.FillArray(b);
}
stopwatch.Stop();
var fillArraySplitTime = stopwatch.ElapsedMilliseconds;
//ints
var intsCount = count / 2;
int[] ints = new int[intsCount];
stopwatch.Reset();
stopwatch.Start();
for (int i = 0; i < ints.Length; i++)
{
ints[i] = SRandom.NextInt();
}
stopwatch.Stop();
var nextIntTime = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
stopwatch.Start();
SRandom.FillArray(ints);
stopwatch.Stop();
var fillArrayIntTime = stopwatch.ElapsedMilliseconds;
//longs
var longsCount = count / 4;
long[] longs = new long[longsCount];
stopwatch.Reset();
stopwatch.Start();
for (long i = 0; i < longs.Length; i++)
{
longs[i] = SRandom.NextLong();
}
stopwatch.Stop();
var nextLongTime = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
stopwatch.Start();
SRandom.FillArray(longs);
stopwatch.Stop();
var fillArrayLongTime = stopwatch.ElapsedMilliseconds;
Console.WriteLine(count + " bytes generated on 1 thread with SRandom.NextByte: " + nextByteTime + "ms");
Console.WriteLine(count + " bytes generated on 1 thread with SRandom.FillArray: " + fillArrayTime + "ms");
Console.WriteLine(count + " bytes generated on 1 thread with SRandom.FillSplitArray: " + fillArraySplitTime + "ms");
Console.WriteLine(intsCount + " ints generated on 1 thread with SRandom.NextInt: " + nextIntTime + "ms");
Console.WriteLine(intsCount + " ints generated on 1 thread with SRandom.FillArray: " + fillArrayIntTime + "ms");
Console.WriteLine(longsCount + " longs generated on 1 thread with SRandom.Nextlong: " + nextLongTime + "ms");
Console.WriteLine(longsCount + " longs generated on 1 thread with SRandom.FillArray: " + fillArrayLongTime + "ms");
}
