def test_torch_model_on_epoch_begin(self):
lr_scheduler = LRScheduler(
model=self.torch_model,
lr_fn=lambda epoch: fe.schedule.cosine_decay(
epoch, cycle_length=3750, init_lr=1e-3))
lr_scheduler.system = sample_system_object()
lr_scheduler.system.epoch_idx = 3
lr_scheduler.on_epoch_begin(data=self.data)
new_lr = list(self.torch_model.optimizer.param_groups)[0]['lr']
self.assertTrue(math.isclose(new_lr, 0.0009999993, rel_tol=1e-5))
def test_tf_model_on_epoch_begin(self):
lr_scheduler = LRScheduler(
model=self.tf_model,
lr_fn=lambda epoch: fe.schedule.cosine_decay(
epoch, cycle_length=3750, init_lr=1e-3))
lr_scheduler.system = sample_system_object()
lr_scheduler.system.epoch_idx = 3
lr_scheduler.on_epoch_begin(data=self.data)
self.assertTrue(
math.isclose(self.tf_model.optimizer.lr.numpy(),
0.0009999973,
rel_tol=1e-5))
