Re: [petsc-users] Out of memory for using DMPlexCreateFromFile when load large-scale mesh

2025-05-14 Thread Matthew Knepley
On Wed, May 14, 2025 at 6:19 AM Mark Adams wrote: > There are examples listed at the end of the *DMPlexCreateFromFile >

Re: [petsc-users] Out of memory for using DMPlexCreateFromFile when load large-scale mesh

2025-05-14 Thread Mark Adams
There are examples listed at the end of the *DMPlexCreateFromFile ,*and the first two a

[petsc-users] Out of memory for using DMPlexCreateFromFile when load large-scale mesh

2025-05-13 Thread 程奔
Hello, Recently I create unstructure mesh from Gmsh and its mesh format is msh file. However the mesh file contain around 100 million nodes, so when I use DMPlexCreateFromFile it only perform on a single CPU process thus out of memory. I ask GPT and it said PETSc may parallel perform DMPlexC