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[Starpu-devel] Overlapping scheduling contexts and scheduling order


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  • From: Mirko Myllykoski <mirkom@cs.umu.se>
  • To: Starpu Devel <starpu-devel@lists.gforge.inria.fr>
  • Subject: [Starpu-devel] Overlapping scheduling contexts and scheduling order
  • Date: Mon, 27 Aug 2018 14:01:59 +0100
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Hi,

I would like to know how StarPU prioritizes tasks that are inserted to different scheduling contexts that share workers.

For example, lets assume that I have a quad core CPU (i.e., four potential workers). I create two scheduling contexts:

Context A: Contains workers 0,1,2,3; prio scheduler
Context B: Contains workers 2,3; peager scheduler

I insert Task 1 to Context A with priority STARPU_MAX_PRIO and Task 2 to Context B. If both tasks are ready and workers 2 and 3 are idle, does StarPU favor either tasks?

Best Regards,
Mirko Myllykoski



  • [Starpu-devel] Overlapping scheduling contexts and scheduling order, Mirko Myllykoski, 27/08/2018

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