GPU offloading preconditioner#4953

Merged

connorjward merged 18 commits intofiredrakeproject:mainfrom

dsroberts:dsroberts/offload-pc

Apr 30, 2026

Commits on Apr 17, 2026

Restart offload_pc from main_20260417
dsroberts
committed

Commits on Apr 22, 2026

OffloadPC subclasses PCBase. Add Offloading test to firedrake-check
dsroberts
committed

Commits on Apr 23, 2026

Respond to review comments
dsroberts
committed

Commits on Apr 30, 2026

Update tests/firedrake/offload/test_poisson_offloading_pc.py

dsroberts
and
connorjward
authored
Update firedrake/preconditioners/offload.py

dsroberts
and
connorjward
authored
Update firedrake/preconditioners/offload.py

dsroberts
and
connorjward
authored
Update firedrake/utils.py

dsroberts
and
connorjward
authored
Convert warn to kwarg in device_matrix_type. Add non-homogeneous BC test for offload preconditioner. Add single-process tests to GPU github action.
dsroberts
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Add warn=False to conftest.py
dsroberts
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Revert Add single-process tests to GPU github action.
dsroberts
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[DROP BEFORE MERGE] Limit firedrake-check to a single GPU test and run nprocs=1 Firedrake tests on GPU CI
dsroberts
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Don't run nprocs=1 tests in this PR
connorjward
committed