本文整理汇总了C#中System.Random.Shuffle方法的典型用法代码示例。如果您正苦于以下问题：C# Random.Shuffle方法的具体用法？C# Random.Shuffle怎么用？C# Random.Shuffle使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Random的用法示例。
在下文中一共展示了Random.Shuffle方法的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: FromHexString
public void FromHexString()
{
Random random = new Random();
string value;
{
byte[] buffer = new byte[32];
random.NextBytes(buffer);
value = NetworkConverter.ToHexString(buffer);
}
Stopwatch sw1 = new Stopwatch();
Stopwatch sw2 = new Stopwatch();
var flags = new int[] { 0, 1 };
for (int i = 0; i < 1024 * 1024 * 2; i++)
{
byte[] result1 = null;
byte[] result2 = null;
random.Shuffle(flags);
foreach (var index in flags)
{
if (index == 0)
{
sw1.Start();
result1 = NetworkConverter.FromHexString(value);
sw1.Stop();
}
else if (index == 1)
{
sw2.Start();
result2 = NetworkConverter.FromHexString_2(value);
sw2.Stop();
}
}
Assert.IsTrue(Unsafe.Equals(result1, result2));
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("FromHexString: " + sw1.Elapsed.ToString());
sb.AppendLine("FromHexString_2: " + sw2.Elapsed.ToString());
Console.WriteLine(sb.ToString());
}示例2: Copy
public void Copy()
{
Random random = new Random();
Stopwatch sw1 = new Stopwatch();
Stopwatch sw2 = new Stopwatch();
var flags = new int[] { 0, 1 };
var length = 1024 * 256;
byte[] x1 = new byte[length];
byte[] y1 = new byte[length];
byte[] x2 = new byte[length];
byte[] y2 = new byte[length];
random.NextBytes(x1);
random.NextBytes(x2);
for (int i = 0; i < 1024 * 256; i++)
{
random.Shuffle(flags);
foreach (var index in flags)
{
if (index == 0)
{
sw1.Start();
Unsafe.Copy(x1, 0, y1, 0, length);
sw1.Stop();
}
else if (index == 1)
{
sw2.Start();
Array.Copy(x2, 0, y2, 0, length);
sw2.Stop();
}
}
Assert.IsTrue(Unsafe.Equals(x1, y1));
Assert.IsTrue(Unsafe.Equals(x2, y2));
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("Native Copy: " + sw1.Elapsed.ToString());
sb.AppendLine("Array Copy: " + sw2.Elapsed.ToString());
Console.WriteLine(sb.ToString());
}示例3: ToHexString
public void ToHexString()
{
Random random = new Random();
byte[] value = new byte[32];
random.NextBytes(value);
Stopwatch sw1 = new Stopwatch();
Stopwatch sw2 = new Stopwatch();
var flags = new int[] { 0, 1 };
for (int i = 0; i < 1024 * 1024 * 2; i++)
{
string result1 = null;
string result2 = null;
random.Shuffle(flags);
foreach (var index in flags)
{
if (index == 0)
{
sw1.Start();
result1 = NetworkConverter.ToHexString(value, 0, value.Length);
sw1.Stop();
}
else if (index == 1)
{
sw2.Start();
result2 = NetworkConverter.ToHexString_2(value, 0, value.Length);
sw2.Stop();
}
}
Assert.IsTrue(result1 == result2);
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("ToHexString: " + sw1.Elapsed.ToString());
sb.AppendLine("ToHexString_2: " + sw2.Elapsed.ToString());
Console.WriteLine(sb.ToString());
}示例4: Crc32_Castagnoli
public void Crc32_Castagnoli()
{
Random random = new Random();
Stopwatch sw1 = new Stopwatch();
Stopwatch sw2 = new Stopwatch();
var flags = new int[] { 0, 1 };
var length = 1024;
byte[] value = new byte[length];
for (int i = 0; i < 1024 * 1024; i++)
{
byte[] result1 = null;
byte[] result2 = null;
random.Shuffle(flags);
foreach (var index in flags)
{
if (index == 0)
{
sw1.Start();
result1 = Library.Security.Crc32_Castagnoli.ComputeHash(value, 0, length);
sw1.Stop();
}
else if (index == 1)
{
sw2.Start();
result2 = T_Crc32_Castagnoli.ComputeHash(value, 0, length);
sw2.Stop();
}
}
Assert.IsTrue(Unsafe.Equals(result1, result2));
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("Unsafe Crc32_Castagnoli: " + sw1.Elapsed.ToString());
sb.AppendLine("Managed Crc32_Castagnoli: " + sw2.Elapsed.ToString());
Console.WriteLine(sb.ToString());
}示例5: Main
public static void Main(string[] args)
{
System.Random TempRand = new System.Random();
Configuration Config = new Configuration(args);
using (var Bootstrapper = Utilities.IoC.Manager.Bootstrapper)
{
IEnumerable<IDataFormatter> Formatters = Bootstrapper.ResolveAll<IDataFormatter>();
if (Formatters.Count() == 0)
{
Console.WriteLine("No formatters found.");
return;
}
IEnumerable<ITimedTask> TimedTasks = TempRand.Shuffle(Bootstrapper.ResolveAll<ITimedTask>());
if (TimedTasks.Count() == 0)
{
Console.WriteLine("No tasks found.");
return;
}
using (var Profiler = Manager.StartProfiling())
{
foreach (ITimedTask Task in TimedTasks)
{
for (int x = 0; x < Config.NumberIterations; ++x)
{
using (var Timer = Manager.Profile(Task.Name))
{
Task.Run();
}
}
}
}
var Result = Manager.StopProfiling(false);
var Results = Result.Children
.ForEach(x => new Result(x.Value.Entries, x.Key))
.ToLookup(x => TimedTasks.FirstOrDefault(y => string.Equals(y.Name, x.Name, StringComparison.Ordinal))
.GetType()
.Attribute<SeriesAttribute>() as ISeries ?? new SeriesAttribute(""),
x => x);
Formatters.ForEach(x => x.Format(Results, Config.OutputDirectory));
}
}示例6: NormalRoom
public NormalRoom(NormalRoom prev, Random rand, bool noEvil)
{
var indexes = Enumerable.Range(0, roomTemplates.Length).ToList();
rand.Shuffle(indexes);
foreach (var index in indexes) {
if (prev != null && index == prev.currentId)
continue;
if ((roomTemplates[index].Flags & RoomFlags.Evil) != 0 && noEvil)
continue;
if (prev != null) {
bool ok = false;
foreach (var conn in prev.ConnectionPoints) {
var d = conn.Item1.Reverse();
if (roomTemplates[index].Connections.Any(targetConn => targetConn.Item1 == d)) {
ok = true;
break;
}
}
if (!ok)
continue;
}
currentId = index;
}
current = roomTemplates[currentId];
}示例7: Equals
public void Equals()
{
Random random = new Random();
Stopwatch sw1 = new Stopwatch();
Stopwatch sw2 = new Stopwatch();
var flags = new int[] { 0, 1 };
for (int i = 0; i < 1024; i++)
{
byte[] x;
byte[] y;
if (random.Next(0, 2) == 0)
{
var length = random.Next(0, 1024 * 256);
x = new byte[length];
y = new byte[length];
}
else
{
x = new byte[random.Next(0, 1024 * 256)];
y = new byte[random.Next(0, 1024 * 256)];
}
if (random.Next(0, 3) == 0)
{
random.NextBytes(x);
random.NextBytes(y);
}
for (int j = 0; j < 32; j++)
{
bool result1 = false;
bool result2 = false;
random.Shuffle(flags);
foreach (var index in flags)
{
if (index == 0)
{
sw1.Start();
result1 = Unsafe.Equals(x, y);
sw1.Stop();
}
else if (index == 1)
{
sw2.Start();
result2 = Benchmark.Equals(x, y);
sw2.Stop();
}
}
Assert.IsTrue(result1 == result2);
}
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("Native Equals: " + sw1.Elapsed.ToString());
sb.AppendLine("Unsafe Equals: " + sw2.Elapsed.ToString());
Console.WriteLine(sb.ToString());
}示例8: WriteThreadsTest
internal WriteThreadsTest(int num_values=10, int checkpoint_interval_rowcount=50, bool withMerge=false)
{
System.GC.Collect();
db = new LayerManager(InitMode.NEW_REGION, "c:\\BENDtst\\11");
// db.startMaintThread();
this.checkpoint_interval = checkpoint_interval_rowcount;
this.withMerge = withMerge;
// init sequential data-values...
datavalues = new int[num_values];
for (int i = 0; i < num_values; i++) {
datavalues[i] = i;
}
// then shuffle them..
Random rnd = new Random();
rnd.Shuffle(datavalues);
}示例9: Shuffle
public void Shuffle()
{
System.Random Rand = new System.Random(1231415);
Assert.Equal(new int[] { 3, 1, 4, 5, 2 }, Rand.Shuffle(new int[] { 1, 2, 3, 4, 5 }));
}示例10: Xor
public void Xor()
{
Random random = new Random();
Stopwatch sw1 = new Stopwatch();
Stopwatch sw2 = new Stopwatch();
var flags = new int[] { 0, 1 };
for (int i = 0; i < 1024 * 4; i++)
{
byte[] x;
byte[] y;
if (random.Next(0, 2) == 0)
{
var length = random.Next(0, 1024 * 256);
x = new byte[length];
y = new byte[length];
}
else
{
x = new byte[random.Next(0, 1024 * 256)];
y = new byte[random.Next(0, 1024 * 256)];
}
random.NextBytes(x);
random.NextBytes(y);
byte[] result1 = new byte[Math.Min(x.Length, y.Length)];
byte[] result2 = new byte[Math.Min(x.Length, y.Length)];
random.Shuffle(flags);
foreach (var index in flags)
{
if (index == 0)
{
sw1.Start();
Unsafe.Xor(x, y, result1);
sw1.Stop();
}
else if (index == 1)
{
sw2.Start();
Benchmark.Xor(x, y, result2);
sw2.Stop();
}
}
Assert.IsTrue(Unsafe.Equals(result1, result2));
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("Unsafe Xor: " + sw1.Elapsed.ToString());
sb.AppendLine("Managed Xor: " + sw2.Elapsed.ToString());
Console.WriteLine(sb.ToString());
}示例11: Compare
public void Compare()
{
Random random = new Random();
Stopwatch totalStopwatch = new Stopwatch();
totalStopwatch.Start();
Stopwatch sw1 = new Stopwatch();
Stopwatch sw2 = new Stopwatch();
Stopwatch sw3 = new Stopwatch();
Stopwatch sw4 = new Stopwatch();
var flags = new int[] { 0, 1, 2, 3 };
for (int i = 0; i < 1024 * 256 * 32; i++)
{
byte[] x;
byte[] y;
if (random.Next(0, 2) == 0)
{
var length = random.Next(0, 1024);
x = new byte[length];
y = new byte[length];
}
else
{
x = new byte[random.Next(0, 1024)];
y = new byte[random.Next(0, 1024)];
}
if (random.Next(0, 2) == 0)
{
random.NextBytes(x);
random.NextBytes(y);
}
int result1 = 0;
int result2 = 0;
int result3 = 0;
int result4 = 0;
var maxLength = Math.Min(x.Length, y.Length);
random.Shuffle(flags);
foreach (var index in flags)
{
if (index == 0)
{
sw1.Start();
result1 = Unsafe.Compare(x, y);
sw1.Stop();
}
else if (index == 1)
{
sw2.Start();
result2 = Unsafe.Compare2(x, y);
sw2.Stop();
}
else if (index == 2)
{
sw3.Start();
result3 = Unsafe.Compare(x, 0, y, 0, maxLength);
sw3.Stop();
}
else if (index == 3)
{
sw4.Start();
result4 = Unsafe.Compare2(x, 0, y, 0, maxLength);
sw4.Stop();
}
}
Assert.IsTrue(result1 == result2);
Assert.IsTrue(result3 == result4);
if (totalStopwatch.ElapsedMilliseconds > 1000 * 60) break;
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("Native Compare: " + sw1.Elapsed.ToString());
sb.AppendLine("Native Compare2: " + sw2.Elapsed.ToString());
sb.AppendLine("Native Compare: " + sw3.Elapsed.ToString());
sb.AppendLine("Native Compare2: " + sw4.Elapsed.ToString());
Console.WriteLine(sb.ToString());
}示例12: DownloadManagerThread
//.........这里部分代码省略.........
if (items.Count > 0)
{
round = (round >= items.Count) ? 0 : round;
item = items[round++];
}
}
}
}
}
catch (Exception)
{
return;
}
if (item == null) continue;
try
{
if (item.Rank == 1)
{
if (!_cacheManager.Contains(item.Seed.Key))
{
item.State = BackgroundDownloadState.Downloading;
_connectionsManager.Download(item.Seed.Key);
}
else
{
item.State = BackgroundDownloadState.Decoding;
}
}
else
{
if (!item.Index.Groups.All(n => _existManager.GetCount(n) >= n.InformationLength))
{
item.State = BackgroundDownloadState.Downloading;
int limitCount = 256;
foreach (var group in item.Index.Groups.ToArray().Randomize())
{
if (_existManager.GetCount(group) >= group.InformationLength) continue;
foreach (var key in _existManager.GetKeys(group, false))
{
if (_connectionsManager.IsDownloadWaiting(key))
{
limitCount--;
if (limitCount <= 0) goto End;
}
}
}
List<Key> keyList = new List<Key>();
foreach (var group in item.Index.Groups.ToArray().Randomize())
{
if (_existManager.GetCount(group) >= group.InformationLength) continue;
List<Key> tempKeys = new List<Key>();
foreach (var key in _existManager.GetKeys(group, false))
{
if (!_connectionsManager.IsDownloadWaiting(key))
{
tempKeys.Add(key);
}
}
random.Shuffle(tempKeys);
foreach (var key in tempKeys)
{
_connectionsManager.Download(key);
limitCount--;
}
if (limitCount <= 0) goto End;
}
End: ;
}
else
{
item.State = BackgroundDownloadState.Decoding;
}
}
}
catch (Exception e)
{
item.State = BackgroundDownloadState.Error;
Log.Error(e);
this.Remove(item);
}
}
}示例13: DownloadThread
//.........这里部分代码省略.........
.Where(n => n.State == DownloadState.Downloading)
.Where(n => n.Priority != 0)
.OrderBy(n => -n.Priority)
.ToList();
if (items.Count > 0)
{
round = (round >= items.Count) ? 0 : round;
item = items[round++];
}
}
}
}
}
catch (Exception)
{
return;
}
if (item == null) continue;
try
{
if (item.Depth == 1)
{
if (!_cacheManager.Contains(item.Seed.Metadata.Key))
{
item.State = DownloadState.Downloading;
_connectionsManager.Download(item.Seed.Metadata.Key);
}
else
{
item.State = DownloadState.Decoding;
}
}
else
{
if (!item.Index.Groups.All(n => _existManager.GetCount(n) >= n.InformationLength))
{
item.State = DownloadState.Downloading;
var limitCount = (int)(256 * Math.Pow(item.Priority, 3));
foreach (var group in item.Index.Groups.ToArray().Randomize())
{
if (_existManager.GetCount(group) >= group.InformationLength) continue;
foreach (var key in _existManager.GetKeys(group, false))
{
if (_connectionsManager.IsDownloadWaiting(key))
{
limitCount--;
if (limitCount <= 0) goto End;
}
}
}
foreach (var group in item.Index.Groups.ToArray().Randomize())
{
if (_existManager.GetCount(group) >= group.InformationLength) continue;
var tempKeys = new List<Key>();
foreach (var key in _existManager.GetKeys(group, false))
{
if (!_connectionsManager.IsDownloadWaiting(key))
{
tempKeys.Add(key);
}
}
random.Shuffle(tempKeys);
foreach (var key in tempKeys)
{
_connectionsManager.Download(key);
limitCount--;
}
if (limitCount <= 0) goto End;
}
End:;
}
else
{
item.State = DownloadState.ParityDecoding;
}
}
}
catch (Exception e)
{
item.State = DownloadState.Error;
Log.Error(e);
}
}
}