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Merged
Jammy2211 merged 1 commit into from
Jun 17, 2025
Merged

feature/fix_dynesty_grad #1147

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8 changes: 6 additions & 2 deletions autofit/non_linear/search/nest/dynesty/search/static.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,8 @@
from dynesty import NestedSampler as StaticSampler

from autofit.database.sqlalchemy_ import sa
from autofit import jax_wrapper

from autofit.mapper.prior_model.abstract import AbstractPriorModel

from .abstract import AbstractDynesty, prior_transform
Expand Down Expand Up @@ -109,6 +111,8 @@ def search_internal_from(
in the dynesty queue for samples.
"""

gradient = fitness.grad if self.use_gradient else None

if checkpoint_exists:
search_internal = StaticSampler.restore(
fname=self.checkpoint_file, pool=pool
Expand All @@ -127,7 +131,7 @@ def search_internal_from(
self.write_uses_pool(uses_pool=True)
return StaticSampler(
loglikelihood=pool.loglike,
gradient=fitness.grad,
gradient=gradient,
prior_transform=pool.prior_transform,
ndim=model.prior_count,
live_points=live_points,
Expand All @@ -139,7 +143,7 @@ def search_internal_from(
self.write_uses_pool(uses_pool=False)
return StaticSampler(
loglikelihood=fitness,
gradient=fitness.grad,
gradient=gradient,
prior_transform=prior_transform,
ndim=model.prior_count,
logl_args=[model, fitness],
Expand Down
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