METIS Decomposition:
We are using the following command to generate the decomposition files. But when we look at the decomposed output (run as below) and compare it with an already decomposed file from one of the mesh downloads (https://mpas-dev.github.io/atmosphere/atmosphere_meshes.html) they do not match
gpmetis -minconn -contig -niter=200 x5.6488066.graph.info
So the main questions are:
- How are the atmosphere meshes generated here (https://mpas-dev.github.io/atmosphere/atmosphere_meshes.html) ?
- There is a comment which says “requires the use of a special, convex mesh decomposition file -- a regular METIS partition file will not give correct results!”
- Does this mean that the decomposition generated with METIS above is not correct?
Thank you for your help
Regards
Karthik
We are using the following command to generate the decomposition files. But when we look at the decomposed output (run as below) and compare it with an already decomposed file from one of the mesh downloads (https://mpas-dev.github.io/atmosphere/atmosphere_meshes.html) they do not match
gpmetis -minconn -contig -niter=200 x5.6488066.graph.info
So the main questions are:
- How are the atmosphere meshes generated here (https://mpas-dev.github.io/atmosphere/atmosphere_meshes.html) ?
- There is a comment which says “requires the use of a special, convex mesh decomposition file -- a regular METIS partition file will not give correct results!”
- Does this mean that the decomposition generated with METIS above is not correct?
Thank you for your help
Regards
Karthik