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Configurable partitioning algorithm in mapping tester #214

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Configurable partitioning algorithm in mapping tester #214

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6021bbd
Add configurable partitioning algorithm
fsimonis Jan 28, 2025
9ec1112
Merge branch 'develop' into make-paritioning-algo-configurable
fsimonis Aug 14, 2025
c464346
Merge branch 'develop' into make-paritioning-algo-configurable
fsimonis Aug 19, 2025
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1 change: 1 addition & 0 deletions changelog-entries/214.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
- Added configurable partitioning algorithm to mapping tester.
1 change: 1 addition & 0 deletions examples/mapping_tester/setup-test.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
{
"general": {
"function": "0.78 + cos(10*(x+y+z))",
"partitioning": "topology",
"ranks": {
"A": [
2
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9 changes: 5 additions & 4 deletions tools/mapping-tester/preparemeshes.py
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Expand Up @@ -66,8 +66,7 @@ def prepareMainMesh(
)


def preparePartMesh(meshdir: pathlib.Path, name, p, force=False):

def preparePartMesh(meshdir: pathlib.Path, name, p, force, algorithm):
if p == 1:
return

Expand All @@ -91,7 +90,7 @@ def preparePartMesh(meshdir: pathlib.Path, name, p, force=False):
"--mesh",
mainMesh,
"--algorithm",
"topology",
algorithm,
"-o",
partMesh,
"--directory",
Expand All @@ -111,6 +110,8 @@ def main(argv):
print(f'Warning: outdir "{outdir}" already exisits.')
meshdir = outdir / "meshes"
function = setup["general"]["function"]
algorithm = setup["general"].get("partitioning", "meshfree")
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print(f"Using partitioning algorithm {algorithm}")

partitions = set(
[int(rank) for pranks in setup["general"]["ranks"].values() for rank in pranks]
Expand All @@ -129,7 +130,7 @@ def main(argv):
prepareMainMesh(meshdir, name, file, function, args.force)

for p in partitions:
preparePartMesh(meshdir, name, p, args.force)
preparePartMesh(meshdir, name, p, args.force, algorithm)

return 0

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