Re: [boost] [fiber] on schedulers and wakeups

Subject: Re: [boost] [fiber] on schedulers and wakeups
From: Oliver Kowalke (oliver.kowalke_at_[hidden])
Date: 2015-09-10 00:02:06

2015-09-10 5:35 GMT+02:00 Oliver Kowalke <oliver.kowalke_at_[hidden]>:

>
> the scheduler with its idle() function would introduce extra context
> switches because idle() enqueues the scheduler
> to the ready_next-queue before it switches to the next fiber.
> seams that the scheduler (fiber) is resumed after each (worker)-fiber.
> boost.fiber tries to prevent this - it switches only between
> (worker)-fibers, the scheduler functions only like a store
> for the next fiebrs.
>

the scheduler from boost.fiber has a similar 'idle()' function - if a fiber
has to suspsend (yield,wait,...) it directly calls this scheduler
function (without a context switch).