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What happens if you try to utilize TPL on a computer with a single core?

原文 2012-08-17 06:48:39 6 2 c#/ .net/ multiprocessing/ task-parallel-library

Title does justice.

I'm building an application that uses TPL instead of Backgroundworker, but I'm wondering what might happen if you try to run TPL on a machine that doesn't use multi-core cpus.

Are there any compatibility issues? Performance slow-downs? Or does application go boom?

2 answers

A singe-core PC can still do threading.

Everything should work normally, with the ThreadPool creating a very low number of threads (1 or 2 by default).

You still pay for the overhead of TPL but you will not normally get any benefits.

No issues, no measurable slow-down. Of course also no speed-up for CPU-bound tasks. TPL adapts automatically to the number of available cores.

Force TPL Tasks to run on a single core

What happens when you try to cancel a scheduled Azure service bus message that has already been enqueued?

What happens when you try to set value to a read-only property?

What happens if computer hangs while persisting a memory-mapped file?

When wrapping traditional asynchronous handlers to TPL Task<T> what happens to the Callback and State?

What happens when a computer is offline and a WebClient makes a request?

What happens if you have :base() in the top class?

What happens if you break out of a Lock() statement?

What happens when you create a Task?

What happens when you await a failed task

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Related Question Force TPL Tasks to run on a single core What happens when you try to cancel a scheduled Azure service bus message that has already been enqueued? What happens when you try to set value to a read-only property? What happens if computer hangs while persisting a memory-mapped file? When wrapping traditional asynchronous handlers to TPL Task<T> what happens to the Callback and State? What happens when a computer is offline and a WebClient makes a request? What happens if you have :base() in the top class? What happens if you break out of a Lock() statement? What happens when you create a Task? What happens when you await a failed task

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What happens if you try to utilize TPL on a computer with a single core?

Question

2 answers

solution1
2 2012-08-17 06:53:07

solution2
1 ACCPTED 2012-08-17 06:51:34

What happens if you try to utilize TPL on a computer with a single core?

Question

2 answers

solution1 2 2012-08-17 06:53:07

solution2 1 ACCPTED 2012-08-17 06:51:34

solution1
2 2012-08-17 06:53:07

solution2
1 ACCPTED 2012-08-17 06:51:34