27 lines
809 B
Python
27 lines
809 B
Python
""" Module for PINA Torch Optimizer """
|
|
|
|
import torch
|
|
try:
|
|
from torch.optim.lr_scheduler import LRScheduler # torch >= 2.0
|
|
except ImportError:
|
|
from torch.optim.lr_scheduler import (
|
|
_LRScheduler as LRScheduler,
|
|
) # torch < 2.0
|
|
|
|
from ..utils import check_consistency
|
|
from .optimizer_interface import Optimizer
|
|
from .scheduler_interface import Scheduler
|
|
|
|
class TorchScheduler(Scheduler):
|
|
|
|
def __init__(self, scheduler_class, **kwargs):
|
|
check_consistency(scheduler_class, LRScheduler, subclass=True)
|
|
|
|
self.scheduler_class = scheduler_class
|
|
self.kwargs = kwargs
|
|
|
|
def hook(self, optimizer):
|
|
check_consistency(optimizer, Optimizer)
|
|
self.scheduler_instance = self.scheduler_class(
|
|
optimizer.optimizer_instance, **self.kwargs
|
|
) |