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Thread behavior on multicore machines
原标题:

Does the threads of a single process run in parallel on a multi-core machine on windows XP? Is the behavior same on different windows versions (windows server editions)

I have heard that only threads of different processes run in parallel.

最佳回答

Threads within the same process can still run in parallel on a multi-core machine. This should be the case for all editions of Windows capable of running .NET.

Where did you hear that only threads in different processes can run in parallel? Treat that source of information with a huge amount of salt in future (after checking that that s what they really said, and you didn t misunderstand).

问题回答

Yes, a single process will (normally) run threads on all cores.

You can easily see that by running something busy on 2 threads and looking at TaskManager.

Yes, they may run in parallel. Of course you can t count on any specific behavior wrt processor allocation and/or interleaving, since it depends on the whims of the scheduler and what else is running, etc. ...





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