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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 FilippoOlivo
parent 18d178ab3a
commit 9dab6380f8
8 changed files with 264 additions and 229 deletions
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28
tests/test_callback/test_optimizer_callback.py
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@@ -21,19 +21,25 @@ model = FeedForward(
# make the solver
solver = PINN(problem=poisson_problem, model=model)
adam_optimizer = TorchOptimizer(torch.optim.Adam, lr=0.01)
lbfgs_optimizer = TorchOptimizer(torch.optim.LBFGS, lr=0.001)
adam = TorchOptimizer(torch.optim.Adam, lr=0.01)
lbfgs = TorchOptimizer(torch.optim.LBFGS, lr=0.001)
def test_switch_optimizer_constructor():
SwitchOptimizer(adam_optimizer, epoch_switch=10)
SwitchOptimizer(adam, epoch_switch=10)
# def test_switch_optimizer_routine(): #TODO revert
# # make the trainer
# switch_opt_callback = SwitchOptimizer(lbfgs_optimizer, epoch_switch=3)
# trainer = Trainer(solver=solver,
# callback=[switch_opt_callback],
# accelerator='cpu',
# max_epochs=5)
# trainer.train()
def test_switch_optimizer_routine():
# check initial optimizer
solver.configure_optimizers()
assert solver.optimizer.instance.__class__ == torch.optim.Adam
# make the trainer
switch_opt_callback = SwitchOptimizer(lbfgs, epoch_switch=3)
trainer = Trainer(
solver=solver,
callbacks=[switch_opt_callback],
accelerator="cpu",
max_epochs=5,
)
trainer.train()
assert solver.optimizer.instance.__class__ == torch.optim.LBFGS