[mvapich-discuss] about MPI_ISend

[Xin Sui]

Thanks Mark. If anybody can tell me how it is implemented conceputally in MVAPICH2, that will be very great. 
Thank you.

Xin
Date: Tue, 12 Apr 2011 10:39:14 +0100
From: cscmaw at leeds.ac.uk
To: mvapich-discuss at cse.ohio-state.edu
Subject: Re: [mvapich-discuss] about MPI_ISend

 
Hi,
 
I believe it is implemented differently in each MPI version.
 
Someone here can probably say how it is implemented in mvapich.
 
Regards,
Mark.
 
 
On Mon, 11 Apr 2011, Xin Sui wrote:
 
> Hi:
> 
> Could you conceptually explain how ISend works internally? for example,  If process i calls a set of MPI_Isend
> to another process j, but process j didn't call MPI_Recv or MPI_Irecv, will those message from process i to
> process j actually get sent or not? If they are get sent, where are they buffered in process j? Is this same
> across different implementation of MPI?
> 
> 
> Thanks
> Best Regards,
> Xin
> 
>

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