[argobots-discuss] Writing recursive task parallel program with argobots

[Raghav Gupta]

Pasting the code snippet link again without any formatting -
https://gist.github.com/raghav0307/9252fc7b568bc35baab29bdc9da70618

On Thu, Oct 7, 2021 at 11:55 PM Raghav Gupta <raghav18076 at iiitd.ac.in>
wrote:

> Hi,
>
> I am trying to use argobots for writing a recursive task parallel program.
>
> I have taken a very simple recursive task program example, where I am
> creating a parent argobot task which creates two child argobots tasks and
> then waits for them by calling ABT_task_free(). When I run this program
> with one xstream I find that it doesn't terminate. *(Code snippet - *
> https://gist.github.com/raghav0307/9252fc7b568bc35baab29bdc9da70618* )*
>
> My understanding is that this is because the parent task never yields the
> xstream to the child tasks, and hence the program gets stuck.
>
> This program terminates when I use argobot threads instead of
> argobot tasks. Could someone point me to why this is not working with
> argobot tasks?
>
> Best,
> Raghav
>
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