Which is best way to run code parallelly - Task or Thread class

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Hi All,

I am wondering which class in .Net is better for parallel programming...Thread or Task
which one to prefer - when and why ?
Please answer in simple words, as i am new to Parallel programming.

Thanks:)

Posted 14-Feb-15 10:59am

Gaurav_Chaudhary

Updated 14-Feb-15 11:00am

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PIEBALDconsult 14-Feb-15 17:48pm

I'm old-school, I use Threads.

[no name] 14-Feb-15 19:26pm

Thanks, i read about tasks also - Could you explain why Threads over task

Sergey Alexandrovich Kryukov 14-Feb-15 21:03pm

The whole approach is wrong. Threads certainly needed, but there are cases when Tasks have apparent benefits. Tasks are also based on threads, but threads are abstracted out. You can use threads instead of Tasks, but threading detail could be unnecessary detail. But there is a number of sure cases when Tasks are unsuitable. This topic is too big. I suggest you learn both, perhaps starting from threads...
—SA

Kuthuparakkal 15-Feb-15 10:17am

Depends!

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Duncan Edwards Jones · Accepted Answer · 2015-02-14T11:24:00

Solution 1

There is no such thing as "best" - only "most appropriate".

You haven't given much detail but for your case I would say Task is easier for the beginner. In any case I'd suggest a book as this is a difficult subject.

Also - I'd suggest you make some additional constraints to your code before you add parallelism - like immutable classes .. this will save you gray hairs later.

Posted 14-Feb-15 11:24am

Duncan Edwards Jones

Comments

Valery Possoz 14-Feb-15 18:55pm

Agree! It depends what you need to do. Another option for a beginner is to use a BackgroundWorker as it is so simple to use.

[no name] 14-Feb-15 19:23pm

I need to make a scheduler that send Emails to users per day..
Actually i am new to Task and TPL (task parallel library) but having knowledge of Threads.
I am confused why Task is easier for beginners ? Could you explain please

Duncan Edwards Jones 16-Feb-15 8:38am

Basically (very simplified explanation) the Task syntax explains what you want the program to do whereas the Thread syntax explains how you want it to do it...and also the async/await keywords are part of that.

[no name] 18-Feb-15 12:18pm

Thanks Duncan Edwards Jones, that's was very clear and concise.
Thanks :)
- Finally i did it using 8 threads on a quad core proc