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47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# Copyright 2022 The Plenoptix Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Callback functions for training iterations
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"""
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from typing import Callable
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class Callback:
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"""Callback Object"""
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def __init__(self, update_every_num_iters: int, func: Callable, *args, **kwargs):
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self.update_every_num_iters = update_every_num_iters
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self.func = func
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self.args = args
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self.kwargs = kwargs
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def before_step(self, step: int):
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"""callback to run before training step
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Args:
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step (int): current iteration step
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"""
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raise NotImplementedError
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def after_step(self, step: int):
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"""callback to run after training step
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Args:
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step (int): current iteration step
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"""
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if step % self.update_every_num_iters == 0:
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self.func(*self.args, **self.kwargs, step=step)
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