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Fix: added version check to import of pyproximal _x0z0_init #212

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Merged
mrava87 merged 7 commits into from
Oct 13, 2026
Merged

Fix: added version check to import of pyproximal _x0z0_init #212

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b2d5ad4
fix: added version check to import of pyproximal _x0z0_init
mrava87SW Oct 9, 2026
501cd34
test: relax rtol in proximalgradient tests
mrava87SW Oct 9, 2026
d2fa4e8
test: further relax rtol
mrava87SW Oct 9, 2026
7489d47
test: one last reduction rtol
mrava87SW Oct 9, 2026
43a1145
ci: update cupy to include 'ctk'
mrava87 Oct 10, 2026
8be1982
ci: update cupy installation to include ctk in build-nccl
mrava87 Oct 10, 2026
8ac779d
test: increase tolerance in proximalgradient nccl tests
mrava87 Oct 10, 2026
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4 changes: 2 additions & 2 deletions .github/workflows/build_cupy.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ jobs:
$PIP install --upgrade pip setuptools
$PIP install flake8 pytest setuptools-scm
$PIP install -r requirements-dev.txt
$PIP install cupy-cuda12x
$PIP install cupy-cuda12x[ctk]
$PYTHON -m setuptools_scm
$PIP install .
EOF
Expand Down Expand Up @@ -64,7 +64,7 @@ jobs:
$PIP install --upgrade pip setuptools
$PIP install flake8 pytest setuptools-scm
$PIP install -r requirements-dev.txt
$PIP install cupy-cuda12x nvidia-nccl-cu12
$PIP install cupy-cuda12x[ctk] nvidia-nccl-cu12
$PYTHON -m setuptools_scm
$PIP install .
EOF
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10 changes: 9 additions & 1 deletion pylops_mpi/proximal/optimization/primal.py
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Expand Up @@ -5,15 +5,23 @@
from typing import TYPE_CHECKING, Any

import numpy as np
import pyproximal
from pylops.utils.backend import to_numpy
from pylops.utils.typing import NDArray
from pyproximal.optimization.primal import _x0z0_init

from pylops_mpi import DistributedArray, StackedDistributedArray
from pylops_mpi.basicoperators import MPIStackedVStack
from pylops_mpi.optimization.basic import cgls
from pylops_mpi.proximal.ProxOperator import MPIProxOperator

# need to check pyproximal version since _x0z0_init moved from primal to cls_primal
# from pyproximal>=0.13.0
pyproximal_version = pyproximal.__version__.split(".")
if int(pyproximal_version[0]) == 0 and int(pyproximal_version[1]) < 13:
from pyproximal.optimization.primal import _x0z0_init
else:
from pyproximal.optimization.cls_primal import _x0z0_init

if TYPE_CHECKING:
from pylops_mpi.linearoperator import MPILinearOperator

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4 changes: 2 additions & 2 deletions tests/test_proxsolver.py
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Expand Up @@ -173,7 +173,7 @@ def test_proximalgradient_broadcast(par):
xinv1 = ProximalGradient(
l2local, l1local, x0=x0, tau=1e-3, niter=50, show=False
)
assert_allclose(xinv_array, xinv1, rtol=1e-12)
assert_allclose(xinv_array, xinv1, rtol=1e-5)


@pytest.mark.mpi(min_size=2)
Expand Down Expand Up @@ -253,7 +253,7 @@ def test_proximalgradient_scatter(par):
xinv1 = ProximalGradient(
l2local, l1local, x0=x0, tau=1e-3, niter=50, show=False
)
assert_allclose(xinv_array, xinv1, rtol=1e-12)
assert_allclose(xinv_array, xinv1, rtol=1e-5)


@pytest.mark.mpi(min_size=2)
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4 changes: 2 additions & 2 deletions tests_nccl/test_proxsolver_nccl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -164,7 +164,7 @@ def test_proximalgradient_broadcast(par):
xinv1 = ProximalGradient(
l2local, l1local, x0=x0, tau=1e-3, niter=50, show=False
)
assert_allclose(xinv_array.get(), xinv1.get(), rtol=1e-12)
assert_allclose(xinv_array.get(), xinv1.get(), rtol=1e-5)


@pytest.mark.mpi(min_size=2)
Expand Down Expand Up @@ -244,7 +244,7 @@ def test_proximalgradient_scatter(par):
xinv1 = ProximalGradient(
l2local, l1local, x0=x0, tau=1e-3, niter=50, show=False
)
assert_allclose(xinv_array.get(), xinv1.get(), rtol=1e-12)
assert_allclose(xinv_array.get(), xinv1.get(), rtol=1e-5)


@pytest.mark.mpi(min_size=2)
Expand Down
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