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Update callbacks and tests (#482)

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---------

Co-authored-by: giovanni <giovanni.canali98@yahoo.it>
This commit is contained in:
Dario Coscia
2025-03-13 16:19:38 +01:00
committed by Nicola Demo
parent 6ae301622b
commit 632934f9cc
8 changed files with 264 additions and 229 deletions
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22
pina/callback/linear_weight_update_callback.py
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@@ -37,12 +37,13 @@ class LinearWeightUpdate(Callback):
check_consistency(self.initial_value, (float, int), subclass=False)
check_consistency(self.target_value, (float, int), subclass=False)
def on_train_start(self, trainer, solver):
def on_train_start(self, trainer, pl_module):
"""
Initialize the weight of the condition to the specified `initial_value`.
:param Trainer trainer: a pina:class:`Trainer` instance.
:param SolverInterface solver: a pina:class:`SolverInterface` instance.
:param Trainer trainer: A :class:`~pina.trainer.Trainer` instance.
:param SolverInterface pl_module: A
:class:`~pina.solver.solver.SolverInterface` instance.
"""
# Check that the target epoch is valid
if not 0 < self.target_epoch <= trainer.max_epochs:
@@ -52,7 +53,7 @@ class LinearWeightUpdate(Callback):
)
# Check that the condition is a problem condition
if self.condition_name not in solver.problem.conditions:
if self.condition_name not in pl_module.problem.conditions:
raise ValueError(
f"`{self.condition_name}` must be a problem condition."
)
@@ -66,20 +67,21 @@ class LinearWeightUpdate(Callback):
)
# Check that the weighting schema is ScalarWeighting
if not isinstance(solver.weighting, ScalarWeighting):
if not isinstance(pl_module.weighting, ScalarWeighting):
raise ValueError("The weighting schema must be ScalarWeighting.")
# Initialize the weight of the condition
solver.weighting.weights[self.condition_name] = self.initial_value
pl_module.weighting.weights[self.condition_name] = self.initial_value
def on_train_epoch_start(self, trainer, solver):
def on_train_epoch_start(self, trainer, pl_module):
"""
Adjust at each epoch the weight of the condition.
:param Trainer trainer: a pina:class:`Trainer` instance.
:param SolverInterface solver: a pina:class:`SolverInterface` instance.
:param Trainer trainer: A :class:`~pina.trainer.Trainer` instance.
:param SolverInterface pl_module: A
:class:`~pina.solver.solver.SolverInterface` instance.
"""
if 0 < trainer.current_epoch <= self.target_epoch:
solver.weighting.weights[self.condition_name] += (
pl_module.weighting.weights[self.condition_name] += (
self.target_value - self.initial_value
) / (self.target_epoch - 1)