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    SubjectRe: [RFC 00/60] Coscheduling for Linux
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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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