is to invoke
> MPI_Comm_dup() once per communicator (instead of once per sequence,
> since this is an expensive operation).
>
>
> Cheers,
>
> Gilles
> On Sun, Dec 16, 2018 at 1:04 AM 邹海峰 wrote:
> >
> > Hi there,
> >
> > At first, I think attribute i
icator* is used in the application.
>
> Cheers,
>
> Gilles
>
> On Sun, Dec 16, 2018 at 11:38 PM 邹海峰 wrote:
> >
> > Thank you very much for the reply.
> >
> > According to your explanation and the content from the website, if there
> is only one sequential exec
Hi there,
At first, I think attribute is just like global variable that attached to a
specific communicator. I can define and set the value on one process, then
get and modify the value on another process as long as those processes
belonging to the same communicator. But when I was reading
