Add functionality to print patch statistics in ASMStarPC and friends #3875
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ScottMacLachlan
previously approved these changes
Nov 20, 2024
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This is a really useful option, thanks @pefarrell. Any chance you could add the mean patch size too? Could be useful to know if the min/max are particular outliers or not. |
pbrubeck
reviewed
Jan 10, 2025
| @@ -50,6 +51,7 @@ def test_star_equivalence(problem_type, backend): | |||
| "mg_levels_ksp_max_it": 1, | |||
| "mg_levels_pc_type": "python", | |||
| "mg_levels_pc_python_type": "firedrake.ASMStarPC", | |||
| "mg_levels_pc_star_print_patch_statistics": None, | |||
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Should we rename the option to pc_star_view_patch_sizes?
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We often would like to know what kind of sizes of patch problems we are dealing with in ASMStarPC and friends.
When using
-snes_view, PETSc prints out the size of the first patch on the first processor, but this isn't all that useful; really we want the minimum and maximum.This adds an option
-pc_star_print_patch_statisticsthat computes the minimum and maximum patch sizes and prints them out in the viewer, if requested.