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Matteo Guglielmi | DALCO AG | Industriestr. 28 | 8604 Volketswil | Switzerland
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Hello Gilles,
No it is not working on single node only:
mpirun --mca pml ob1 --mca btl ofi -np 4 test_ompi507stub.exe
--
No components were able to be opened in the btl framework.
This typically means that either no compo
Try running with --mca btl_base_verbose 100 — that will enable much more
verbose output and hopefully show what’s going wrong.
> On Mar 31, 2025, at 8:57 AM, Sangam B wrote:
>
> Hello Gilles,
>
> No it is not working on single node only:
>
> mpirun --mca pml ob1 --mca btl ofi -np 4 test_o
Nice catch Rainer!
I absolutely forgot to include the btl/self component.
Cheers,
Gilles
On Mon, Mar 31, 2025, 23:05 Keller, Rainer
wrote:
> Dear Sangam,
> as Gilles suggested, please try add self for loopback:
> mpirun --mca pml ob1 --mca btl ofi,self …
>
> since the error is:
>
> [g100n05
Dear Sangam,
as Gilles suggested, please try add self for loopback:
mpirun --mca pml ob1 --mca btl ofi,self …
since the error is:
[g100n052:0] *** An error occurred in MPI_Init
[g100n052:0] *** reported by process [901316609,0]
[g100n052:0] *** on a NULL communicator
[g100n052:0
