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Reference Guide
mt301_TTaskGroupSimple.C
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1/// \file
2/// \ingroup tutorial_multicore
3/// \notebook -js
4/// Shows how to run items of work asynchronously with a TTaskGroup.
5///
6/// \macro_code
7///
8/// \date August 2017
9/// \author Danilo Piparo
10
11void workItem0()
12{
13 printf("Running workItem0...\n");
14}
15
16void mt301_TTaskGroupSimple()
17{
18
20
21 // Create the task group and give work to it
23
24 tg.Run(workItem0);
25 tg.Run([]() { printf("Running workItem1...\n"); });
26
27 printf("Running something in the \"main\" thread\n");
28
29 // Wait until all items are complete
30 tg.Wait();
31
32 printf("All work completed.\n");
33}
A class to manage the asynchronous execution of work items.
Definition: TTaskGroup.hxx:21
void Run(const std::function< void(void)> &closure)
Add to the group an item of work which will be ran asynchronously.
Definition: TTaskGroup.cxx:108
void Wait()
Wait until all submitted items of work are completed.
Definition: TTaskGroup.cxx:123
void EnableImplicitMT(UInt_t numthreads=0)
Enable ROOT's implicit multi-threading for all objects and methods that provide an internal paralleli...
Definition: TROOT.cxx:527