Messages in this thread | | | Subject | Re: [RFC 00/60] Coscheduling for Linux | From | Subhra Mazumdar <> | Date | Thu, 18 Oct 2018 17:26:26 -0700 |
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Hi Jan,
On 9/7/18 2:39 PM, Jan H. Schönherr wrote: > The collective context switch from one coscheduled set of tasks to another > -- while fast -- is not atomic. If a use-case needs the absolute guarantee > that all tasks of the previous set have stopped executing before any task > of the next set starts executing, an additional hand-shake/barrier needs to > be added. > Do you know how much is the delay? i.e what is overlap time when a thread of new group starts executing on one HT while there is still thread of another group running on the other HT?
Thanks, Subhra
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