Opened 5 years ago

Closed 3 years ago

#1628 closed Bug (fixed)

bug when key_mpp_mpi is not active

Reported by: clem Owned by: nemo
Priority: low Milestone:
Component: OCE Version: release-3.6
Severity: Keywords:
Cc:

Description

Multiple communications (lbc_lnk_multi) have not been coded when key_mpp_mpi is inactive. Since these communications are present in dynspg_ts and limrhg, the model crashes when running orca2-lim3 (for example).

Therefore I propose to modify lbclnk.F90 (as shown in the attached file). It looks to me the easiest way to deal with this issue but additional expertise would be appreciated

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lbclnk.F90 (36.0 KB) - added by clem 5 years ago.

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Change History (3)

Changed 5 years ago by clem

comment:1 Changed 5 years ago by mcastril

I think we have 2 open tickets of these. We developed an alternative version, without load_array, and only calling to lbc_lnk single from the lbc_lnk_2d_9. We only created lbc_lnk_2d_multiple because is called directly from limhdf in the new optimization, but in fact it only does a loop with the different variables.

Maybe your approach is more elegant, but in fact in serial mode it has any benefit to perform the packing, and our code is a little bit simpler (and with less number of lines).

comment:2 Changed 3 years ago by timgraham

  • Resolution set to fixed
  • Status changed from new to closed

This has already been fixed when dev_r5546_CNRS19_HPC_scalability was merged into 3.6 STABLE

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