delete perm_local and perm_global in densemat, but not the index arrays they contain (as they are owned by the context)
delete perm_local and perm_global in densemat, but not the index arrays they contain (as they are owned by the context)

RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST