内部线程:TaskGraph在引擎初始化时创建的工作线程(TaskGraphThreadHP、TaskGraphThreadNP、TaskGraphThreadBP,优先级:HP > NP > BP),具体逻辑在FTaskGraphImplementation构造函数中。 内部线程的每档数量由FPlatformMisc::NumberOfWorkerThreadsToSpawn()函数来决定。当然如果平台本身不支持多线程,TaskGraph执行的逻辑会放...
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nth-fibonacci.cpp #include <ttg.h> int main(int argc, char *argv[]) { ttg::initialize(argc, argv); const int64_t N = 20; ttg::Edge<int64_t, int64_t> f2f_nm1, f2f_nm2; ttg::Edge<void, int64_t> f2p; auto fib = ttg::make_tt( [=](int64_t n, int64_t F_nm1, int64...
The following three processors will make use of the DSP module to facilitate implementation and if you want to learn more about DSP you can refer toTutorial: Introduction to DSPfor a more in-depth explanation. Implementing an oscillator The first processor is a simple oscillator that generates a...
Besides the constructor, a node needs a static create function and registers the node using a macro in the cpp file. A simplest example is to utilize something like below: dw::framework::create<Node>(ParameterProvider& provider); Creating a node implementation ...
任务的执行最上层调用的是FTaskGraphImplementation的QueueTask函数,如其名,该函数会把该任务添加到某个线程的任务队列中,而不是立刻执行。若队列所属的线程当前处于休眠模式,则会把它唤醒,然后会在一个循环中不断取出队列中的任务,每处理一个任务,会让线程睡眠一小段时间从而让出CPU性能,避免线程被完全占用假死,影...
Next Steps# Readers are encouraged to examinekit/source/extensions/omni.graph.exec/tests.cpp/graphs/TestBehaviorTree.cppto see the full implementation ofbehavior treesusing EF. Now that you saw how to create definitions, make sure to consult thePass Creationguide. If you haven’t yet created a...
Implementation plan With the above interface definition we can start to execute the plan. The first operators needed are start, getNeighbor, subgraph, loop, and datacollect. start operator: It is equivalent to the leaf node in the execution plan and does not do anything. The purpose is to ...
TriggerEventWhenTaskCompletes——执行单个异步任务,完成时触发一个事件,接收三个参数,触发的事件(InEvent)、异步任务(Task)、当前线程(CurrentThreadIfKnown)。 注:Engine\Source\Runtime\Core\Public\Async\TaskGraphInterfaces.h 2.FTaskGraphImplementation: FTaskGraphImplementation是FTaskGraphInterface的功能实现类/表...
├── Logic.h // nodes introduced by the implementation layer ├── Maintain.cpp ├── Maintain.h // schema related nodes ├── Mutate.cpp ├── Mutate.h // DML related nodes ├── PlanNode.cpp ├── PlanNode.h // plan node base classes ...