[mvapich-discuss] Re: protocol used for MPI_FInaize in mvapich2

[nilesh awate]

Hi Lei,
thanks for reply, 
Actually i've already gone thro' src/mpid/osu_ch3/src/mpid_finalize.c this file 
for both (mvapich2-.0.9.8 & 1.0.1) i found  difference in mpid_finalize.c  of both the version.
 There is  dto(2 per process) in MPID_Finalize() function,
 but while dequeue we got only 3 events (ideally we should get 4 successfull event)

One more thing while tracing MPID_Finalize() function i did'nt find call for  MPID_Send() which do send/rdma-write
 (In mvapich2-0.9.8 i found MPID_CH3_iStartMsg call which do send/rdma write)

will you plz explain how MPID_Finalize is working in mvapich2-1.0.1

waiting for reply,

thanking,
Nilesh




 




----- Original Message ----
From: Lei Chai <chail at cse.ohio-state.edu>
To: nilesh awate <nilesh_awate at yahoo.com>
Cc: mvapich-discuss at cse.ohio-state.edu; lei chai <chail at cse.ohio-state.edu>
Sent: Thursday, 10 January, 2008 12:29:35 AM
Subject: Re: protocol used for MPI_FInaize in mvapich2

Hi Nilesh,

I'm not sure what exact protocol you are looking for. You probably can
take a look at src/mpid/osu_ch3/src/mpid_finalize.c to find out.

Thanks,
Lei


----- Original Message -----
From: nilesh awate <nilesh_awate at yahoo.com>
Date: Monday, January 7, 2008 1:15 am
Subject: protocol used for MPI_FInaize in mvapich2

>
> Hi all,
>
> I'm using mvapich2-1.0.1 with OFED1..2(udapl stack)
>
> To know the flow of MPI_FInalize i put some debug statement in
> source code & tried
> simple mpi  test code (only init & finalize api)
> I observed there is shutting down/closing protocol (in which every
> process does
> 2dto)
> some body plz tell how these dto (function trace  of MPI_Finalize)
> happenwhat is exact protocol is mvapich follows.
>
> thanking,
> Nilesh
>
>
>
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