ParallelForImpl::ParallelForWithPreWorkInternal

General purpose parallel for that uses the taskgraph

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macOS

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References

Module

Core

Header

/Engine/Source/Runtime/Core/Public/Async/ParallelFor.h

Include

#include "Async/ParallelFor.h"

Syntax

namespace ParallelForImpl
{
    template<typename FunctionType>
    void ParallelForImpl::ParallelForWithPreWorkInternal
    (
        int32 Num,
        FunctionType Body,
        TFunctionRef< void()> CurrentThreadWorkToDoBeforeHelping,
        EParallelForFlags Flags
    )
}

Remarks

General purpose parallel for that uses the taskgraph

Parameters

Parameter

Description

Num;

number of calls of Body; Body(0), Body(1)....Body(Num - 1)

Body;

Function to call from multiple threads

CurrentThreadWorkToDoBeforeHelping;

The work is performed on the main thread before it starts helping with the ParallelFor proper

Flags;

Used to customize the behavior of the ParallelFor if needed. Notes: Please add stats around to calls to parallel for and within your lambda as appropriate. Do not clog the task graph with long running tasks or tasks that block.