Open MPI: 1.0.2
Open MPI SVN revision: r9571
The rc value returned by the 'get' call is '0'.
All I'm doing is calling init with my own daemon name, it's coming up
fine, then I immediately call this to figure out how many nodes are
associated with this machine.
-- Nathan
Correspondence
---------------------------------------------------------------------
Nathan DeBardeleben, Ph.D.
Los Alamos National Laboratory
Parallel Tools Team
High Performance Computing Environments
phone: 505-667-3428
email: ndeb...@lanl.gov
---------------------------------------------------------------------
Ralph H Castain wrote:
Hi Nathan
Could you tell us which version of the code you are using, and print out the
rc value that was returned by the "get" call? I see nothing obviously wrong
with the code, but much depends on what happened prior to this call too.
BTW: you might want to release the memory stored in the returned values - it
could represent a substantial memory leak.
Ralph
On 7/5/06 9:28 AM, "Nathan DeBardeleben" <ndeb...@lanl.gov> wrote:
I used to use this code to get the number of nodes in a cluster /
machine / whatever:
int
get_num_nodes(void)
{
int rc;
size_t cnt;
orte_gpr_value_t **values;
rc = orte_gpr.get(ORTE_GPR_KEYS_OR|ORTE_GPR_TOKENS_OR,
ORTE_NODE_SEGMENT, NULL, NULL, &cnt, &values);
if(rc != ORTE_SUCCESS) {
return 0;
}
return cnt;
}
This now returns '0' on my MAC when it used to return 1. Is this not an
acceptable way of doing this? Is there a cleaner / better way these days?
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