/// <summary>
/// Helps spreading the same repetetive workload over multiple threads/cores in an easy way.
/// </summary>
/// <typeparam name="D">Generic-Type of the delegate that will be executed and compute the workload</typeparam>
/// <typeparam name="T">Generic-Type of the object you want to be computed by the executor</typeparam>
/// <param name="executor">A (static) method that computes one workLoad-object at a time</param>
/// <param name="workLoad">An array with objects you want to get computed by the executor</param>
/// <param name="onComplete">Fired when all re-packaged workLoad-objects are finished computing</param>
/// <param name="onPackageComplete">Fires foreach finished re-packaged set of workLoad-object</param>
/// <param name="maxThreads"> Lets you choose how many threads will be run simultaneously by the threadpool. Default: -1 == number of cores minus one, to make sure the MainThread has at least one Core to run on. (quadcore == 1 Core Mainthread, 3 cores used by the ThreadPoolScheduler)</param>
/// <param name="scheduler">If Null, a new ThreadPoolScheduler will be instantiated.</param>
/// <param name="safeMode">Executes all the computations within try-catch events, logging it the message + stacktrace</param>
/// <returns>A ThreadPoolScheduler that handles all the repackaged workLoad-Objects =</returns>
public static ThreadPoolScheduler StartMultithreadedWorkloadExecution <D, T>(D executor, T[] workLoad, object extraArgument, MultithreadedWorkloadComplete <T> onComplete, MultithreadedWorkloadPackageComplete <T> onPackageComplete, int maxThreads = -1, ThreadPoolScheduler scheduler = null, bool safeMode = true)
{
if (scheduler == null)
{
scheduler = Loom.CreateThreadPoolScheduler();
}
else if (scheduler.isBusy)
{
Debug.LogError("Provided Scheduler stil busy!!!");
}
if (maxThreads <= 0)
{
maxThreads = Mathf.Max(SystemInfo.processorCount - 1, 1);
}
int packagesPerThread = 1;
if (maxThreads > 1) //If we are running in just one thread at a time, just use one, if more, for sake of better cpu-saturation, subdive into smaller packages per Core.
{
packagesPerThread = 2;
}
int packages = Mathf.Min(maxThreads * packagesPerThread, workLoad.Length);
int objectsPerPackage = (int)Mathf.Ceil((float)workLoad.Length / (float)packages);
ThreadWorkDistribution <T>[] workerPackages = new ThreadWorkDistribution <T> [packages];
Type delegateType = typeof(D);
//Debug.Log(delegateType.FullName);
int count = 0;
for (int i = 0; i < packages; i++)
{
int packagedSize = Mathf.Min(workLoad.Length - count, objectsPerPackage);
if (delegateType == typeof(ThreadWorkloadExecutor <T>))
{
workerPackages[i] = new ThreadWorkDistribution <T>((executor as ThreadWorkloadExecutor <T>), workLoad, count, count + packagedSize);
}
else if (delegateType == typeof(ThreadWorkloadExecutorIndexed <T>))
{
workerPackages[i] = new ThreadWorkDistribution <T>((executor as ThreadWorkloadExecutorIndexed <T>), workLoad, count, count + packagedSize);
}
else if (delegateType == typeof(ThreadWorkloadExecutorArg <T>))
{
workerPackages[i] = new ThreadWorkDistribution <T>((executor as ThreadWorkloadExecutorArg <T>), workLoad, extraArgument, count, count + packagedSize);
}
else if (delegateType == typeof(ThreadWorkloadExecutorArgIndexed <T>))
{
workerPackages[i] = new ThreadWorkDistribution <T>((executor as ThreadWorkloadExecutorArgIndexed <T>), workLoad, extraArgument, count, count + packagedSize);
}
workerPackages[i].ID = i;
count += objectsPerPackage;
}
//--------------- Store session data --------------------
ThreadWorkDistributionSession <T> sessionData = new ThreadWorkDistributionSession <T>();
sessionData.workLoad = workLoad;
sessionData.onComplete = onComplete;
sessionData.onPackageComplete = onPackageComplete;
sessionData.packages = workerPackages;
//--------------- Store session data --------------------
scheduler.StartASyncThreads(workerPackages, sessionData.onCompleteBubble, sessionData.onPackageCompleteBubble, maxThreads, safeMode);
return(scheduler);
}
public static ThreadPoolScheduler StartMultithreadedWorkloadExecution <D, T>(D executor, T[] workLoad, object extraArgument, MultithreadedWorkloadComplete <T> onComplete, MultithreadedWorkloadPackageComplete <T> onPackageComplete, int maxThreads = -1, ThreadPoolScheduler scheduler = null, bool safeMode = true)
{
bool flag = scheduler == null;
if (flag)
{
scheduler = Loom.CreateThreadPoolScheduler();
}
else
{
bool isBusy = scheduler.isBusy;
if (isBusy)
{
Debug.LogError("Provided Scheduler stil busy!!!");
}
}
bool flag2 = maxThreads <= 0;
if (flag2)
{
maxThreads = Mathf.Max(SystemInfo.processorCount - 1, 1);
}
int num = 1;
bool flag3 = maxThreads > 1;
if (flag3)
{
num = 2;
}
int num2 = Mathf.Min(maxThreads * num, workLoad.Length);
int num3 = (int)Mathf.Ceil((float)workLoad.Length / (float)num2);
ThreadWorkDistribution <T>[] array = new ThreadWorkDistribution <T> [num2];
Type typeFromHandle = typeof(D);
int num4 = 0;
int num6;
for (int i = 0; i < num2; i = num6 + 1)
{
int num5 = Mathf.Min(workLoad.Length - num4, num3);
bool flag4 = typeFromHandle == typeof(ThreadWorkloadExecutor <T>);
if (flag4)
{
array[i] = new ThreadWorkDistribution <T>(executor as ThreadWorkloadExecutor <T>, workLoad, num4, num4 + num5);
}
else
{
bool flag5 = typeFromHandle == typeof(ThreadWorkloadExecutorIndexed <T>);
if (flag5)
{
array[i] = new ThreadWorkDistribution <T>(executor as ThreadWorkloadExecutorIndexed <T>, workLoad, num4, num4 + num5);
}
else
{
bool flag6 = typeFromHandle == typeof(ThreadWorkloadExecutorArg <T>);
if (flag6)
{
array[i] = new ThreadWorkDistribution <T>(executor as ThreadWorkloadExecutorArg <T>, workLoad, extraArgument, num4, num4 + num5);
}
else
{
bool flag7 = typeFromHandle == typeof(ThreadWorkloadExecutorArgIndexed <T>);
if (flag7)
{
array[i] = new ThreadWorkDistribution <T>(executor as ThreadWorkloadExecutorArgIndexed <T>, workLoad, extraArgument, num4, num4 + num5);
}
}
}
}
array[i].ID = i;
num4 += num3;
num6 = i;
}
ThreadWorkDistributionSession <T> threadWorkDistributionSession = new ThreadWorkDistributionSession <T>();
threadWorkDistributionSession.workLoad = workLoad;
threadWorkDistributionSession.onComplete = onComplete;
threadWorkDistributionSession.onPackageComplete = onPackageComplete;
threadWorkDistributionSession.packages = array;
scheduler.StartASyncThreads(array, new ThreadPoolSchedulerEvent(threadWorkDistributionSession.onCompleteBubble), new ThreadedWorkCompleteEvent(threadWorkDistributionSession.onPackageCompleteBubble), maxThreads, safeMode);
return(scheduler);
}
