Source code for netket.logging.base
# Copyright 2021 The NetKet Authors - All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import abc
from typing import Any, Optional
from netket.vqs import VariationalState
[docs]
class AbstractLog(abc.ABC):
"""
Abstract base class detailing the interface that loggers must
implement in order to work with netket drivers.
It can be passed with keyword argument `out` to Monte Carlo drivers in order
to serialize the output data of the simulation.
"""
[docs]
@abc.abstractmethod
def __call__(
self,
step: int,
item: dict[str, Any],
variational_state: Optional[VariationalState] = None,
):
"""
Logs at a given integer step a dictionary of data, optionally
specifying a variational state to encode additional data.
Args:
step: monotonically increasing integer representing the row in the
database corresponding to this log entry;
item: Any dictionary of data to be logged;
variational_state: optional variational state from which additional data
might be extracted.
"""
[docs]
@abc.abstractmethod
def flush(self, variational_state: Optional[VariationalState] = None):
"""
Flushes the data that is stored internally to disk/network.
Args:
variational_state: optional variational state from which additional data
might be extracted.
"""