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mpi: Drop dual mode and tweak overlap2/full modes for GPU backends#2926

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FabioLuporini merged 11 commits into
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resurrect-mpi-dual-2
May 18, 2026
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mpi: Drop dual mode and tweak overlap2/full modes for GPU backends#2926
FabioLuporini merged 11 commits into
mainfrom
resurrect-mpi-dual-2

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@JDBetteridge
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Needs CI running over it

@JDBetteridge JDBetteridge force-pushed the resurrect-mpi-dual-2 branch from ee16062 to 1bb7826 Compare May 11, 2026 09:27
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codecov Bot commented May 11, 2026

Codecov Report

❌ Patch coverage is 53.33333% with 56 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.33%. Comparing base (ddb2459) to head (971467b).

Files with missing lines Patch % Lines
devito/mpi/halo_scheme.py 48.38% 16 Missing ⚠️
tests/test_mpi.py 13.33% 13 Missing ⚠️
devito/passes/iet/errors.py 23.07% 10 Missing ⚠️
devito/symbolics/extended_sympy.py 65.21% 7 Missing and 1 partial ⚠️
devito/mpi/distributed.py 50.00% 3 Missing ⚠️
devito/operator/operator.py 40.00% 2 Missing and 1 partial ⚠️
devito/passes/iet/mpi.py 88.88% 1 Missing and 1 partial ⚠️
devito/mpi/routines.py 66.66% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2926      +/-   ##
==========================================
- Coverage   83.35%   83.33%   -0.03%     
==========================================
  Files         248      248              
  Lines       51734    51769      +35     
  Branches     4463     4465       +2     
==========================================
+ Hits        43122    43140      +18     
- Misses       7859     7879      +20     
+ Partials      753      750       -3     
Flag Coverage Δ
pytest-gpu-aomp-amdgpuX 68.69% <58.09%> (+<0.01%) ⬆️
pytest-gpu-gcc- 78.02% <53.33%> (-0.03%) ⬇️
pytest-gpu-icx- 77.92% <53.33%> (-0.05%) ⬇️
pytest-gpu-nvc-nvidiaX 69.23% <58.09%> (-0.02%) ⬇️

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@FabioLuporini FabioLuporini force-pushed the resurrect-mpi-dual-2 branch from 1bb7826 to fd4a133 Compare May 11, 2026 12:49
@FabioLuporini FabioLuporini changed the title Resurrect mpi dual 2 mpi: Drop dual mode and tweak overlap2/full modes for GPU backends May 11, 2026
@FabioLuporini FabioLuporini force-pushed the resurrect-mpi-dual-2 branch from fd4a133 to 9a56cdf Compare May 11, 2026 13:54
Comment thread devito/mpi/distributed.py
@FabioLuporini FabioLuporini force-pushed the resurrect-mpi-dual-2 branch from 7d316b5 to e53597c Compare May 15, 2026 07:39
@FabioLuporini FabioLuporini force-pushed the resurrect-mpi-dual-2 branch from e53597c to d623209 Compare May 15, 2026 07:57
@FabioLuporini FabioLuporini force-pushed the resurrect-mpi-dual-2 branch from d623209 to 95a39e7 Compare May 17, 2026 09:51
@FabioLuporini FabioLuporini force-pushed the resurrect-mpi-dual-2 branch from 27011b6 to 971467b Compare May 18, 2026 12:23
@FabioLuporini FabioLuporini merged commit e7890ce into main May 18, 2026
42 checks passed
@FabioLuporini FabioLuporini deleted the resurrect-mpi-dual-2 branch May 18, 2026 13:53
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3 participants