Hi,
I am n newbie in HPC world
I am trying to execute the hpcc benchmark on our cluster, but every time I
start the job, I get this error, then the job exits
*compute017.22840Exhausted 1048576 MQ irecv request descriptors, which
usually indicates a user program error or insufficient
Hi Wodel
Randomaccess part of HPCC is probably causing this.
Perhaps set PSM env. variable -
Export PSM_MQ_REVCREQ_MAX=1000
or something like that.
Alternatively launch the job using
mpirun --mca plm ob1 --host
to avoid use of psm. Performance will probably suffer with this option
Hi,
I am trying to write trivial master-slave program. Master simply creates
slaves, sends them a string, they print it out and exit. Everything works
just fine, however, when I add a delay (more than 2 sec) before calling
MPI_Init on slave, MPI fails with MPI_ERR_SPAWN. I am pretty sure that
MPI_
On Mon, 2017-01-30 at 16:31 -0500, George Reeke wrote:
> Dear colleagues,
>I am trying MPI_Type_create_struct for the first time.
> I want to combine a small structure (two ints) with a vector of
> variable length to send in a single message. Here is a simplified
> extract of the relevant C co
Dear Gilles et al,
You are correct. I solved the problem based on an email I got
privately based on the same idea. I have just posted that private
reply so the solution will be more widely known among us amateurs.
Thanks,
George Reeke
On Tue, 2017-01-31 at 09:07 +0900, Gilles Gouaillard
What version of OMPI are you using?
> On Jan 31, 2017, at 7:33 AM, elistrato...@info.sgu.ru wrote:
>
> Hi,
>
> I am trying to write trivial master-slave program. Master simply creates
> slaves, sends them a string, they print it out and exit. Everything works
> just fine, however, when I add a d
Hi Wodel,
As Howard mentioned, this is probably because many ranks and sending to a
single one and exhausting the receive requests MQ. You can individually enlarge
the receive/send requests queues with the specific variables
(PSM_MQ_RECVREQS_MAX/ PSM_MQ_SENDREQS_MAX) or increase both with
PSM_
