On Jan 26, 2009, at 4:04 PM, Hartzman, Leslie D (MS) wrote:
Process 'A'
-
Initialize requests to MPI_REQUEST_NULL
for i=0; i < n; i++
{
if (rank == 0)
{
initialize 'command' structure
>> In the original process 'A' code, prior to sending out a command,
>> 'A' will issue an MPI_Wait to make sure that the command request
>> instance is free.
>>
> I'm not quite sure I understand that statement. Can't you just
> compare the request to MPI_REQUEST_NULL? From your description, it
On Jan 23, 2009, at 2:36 PM, Hartzman, Leslie D (MS) wrote:
I’m trying to modify some code that is involved in point-to-point
communications. Process A has a one way mode of communication with
Process B. ‘A’ checks to see if its rank is zero and if so will send
a “command” to ‘B’ (MPI_Issen
I'm trying to modify some code that is involved in point-to-point
communications. Process A has a one way mode of communication with
Process B. 'A' checks to see if its rank is zero and if so will send a
"command" to 'B' (MPI_Issend) about what kind of data is going to be
coming next. After sending
