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What is Parallel Task in C#?
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What is Parallel Task in C#?
asked
May 27, 2023
in
Technology
by
JackTerrance
What is Parallel Task in C#?
parallel_task_c#
1
Answer
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votes
answered
May 27, 2023
by
JackTerrance
.Net 4.0 added a new feature of
Parallel Programming
. This Parallel Programming can be done using Task Parallel Library (TPL). This library is available from the namespace System.Threading.Tasks.
The Task Parallel Library (TPL) is the base of the Task-based programming. It consists of:
Task
class is used to do the unit of work you will code for instead of the previous thread model.
Parallel
class is a static class that exposes a task-based version of some parallel-nature problems.
If the same work is to be done with more than 1 worker then what do I need to write?
Stopwatch watch =
new
Stopwatch();
watch.Start();
System.Threading.Tasks.Parallel.For(0, 15, index =>
{
Console.WriteLine(
"Digging completed for "
+ index +
"mts. area "
);
Thread.Sleep(1000);
}
);
watch.Stop();
Console.WriteLine(
"Time required time for Parallel digging: "
+ watch.Elapsed.Seconds);
Output
As you can see the difference in timing required by a worker to complete the task single-handedly and by more than 1 respectively. This gives a huge improvement in execution timing when
Parallel. For
is used.
Another alternative is by using Parallel. ForEach that is similar to a foreach loop.
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