Files
2026-07-13 12:36:30 +08:00

122 lines
4.8 KiB
Python

from pathlib import Path
from typing import Callable
from typing import Optional
from typing import Union
import optuna
import torch
import torch.nn as nn
from easygraph.ml_metrics import BaseEvaluator
from ..vertex_classification import VertexClassificationTask
class HypergraphVertexClassificationTask(VertexClassificationTask):
r"""The auto-experiment class for the vertex classification task on hypergraph.
Args:
``work_root`` (``Optional[Union[str, Path]]``): User's work root to store all studies.
``data`` (``dict``): The dictionary to store input data that used in the experiment.
``model_builder`` (``Callable``): The function to build a model with a fixed parameter ``trial``.
``train_builder`` (``Callable``): The function to build a training configuration with two fixed parameters ``trial`` and ``model``.
``evaluator`` (``easygraph.ml_metrics.BaseEvaluator``): The DHG evaluator object to evaluate performance of the model in the experiment.
``device`` (``torch.device``): The target device to run the experiment.
``structure_builder`` (``Optional[Callable]``): The function to build a structure with a fixed parameter ``trial``. The structure should be ``easygraph.Hypergraph``.
``study_name`` (``Optional[str]``): The name of this study. If set to ``None``, the study name will be generated automatically according to current time. Defaults to ``None``.
``overwrite`` (``bool``): The flag that whether to overwrite the existing study. Different studies are identified by the ``study_name``. Defaults to ``True``.
"""
def __init__(
self,
work_root: Optional[Union[str, Path]],
data: dict,
model_builder: Callable,
train_builder: Callable,
evaluator: BaseEvaluator,
device: torch.device,
structure_builder: Optional[Callable] = None,
study_name: Optional[str] = None,
overwrite: bool = True,
):
super().__init__(
work_root,
data,
model_builder,
train_builder,
evaluator,
device,
structure_builder=structure_builder,
study_name=study_name,
overwrite=overwrite,
)
def to(self, device: torch.device):
r"""Move the input data to the target device.
Args:
``device`` (``torch.device``): The specified target device to store the input data.
"""
return super().to(device)
@property
def vars_for_DL(self):
r"""Return a name list for available variables for deep learning in the vertex classification on hypergraph. The name list includes ``features``, ``structure``, ``labels``, ``train_mask``, ``val_mask``, and ``test_mask``.
"""
return super().vars_for_DL
def experiment(self, trial: optuna.Trial):
r"""Run the experiment for a given trial.
Args:
``trial`` (``optuna.Trial``): The ``optuna.Trial`` object.
"""
return super().experiment(trial)
def run(self, max_epoch: int, num_trials: int = 1, direction: str = "maximize"):
r"""Run experiments with automatically hyper-parameter tuning.
Args:
``max_epoch`` (``int``): The maximum number of epochs to train for each experiment.
``num_trials`` (``int``): The number of trials to run. Defaults to ``1``.
``direction`` (``str``): The direction to optimize. Defaults to ``"maximize"``.
"""
return super().run(max_epoch, num_trials, direction)
def train(
self,
data: dict,
model: nn.Module,
optimizer: torch.optim.Optimizer,
criterion: nn.Module,
):
r"""Train model for one epoch.
Args:
``data`` (``dict``): The input data.
``model`` (``nn.Module``): The model.
``optimizer`` (``torch.optim.Optimizer``): The model optimizer.
``criterion`` (``nn.Module``): The loss function.
"""
return super().train(data, model, optimizer, criterion)
@torch.no_grad()
def validate(self, data: dict, model: nn.Module):
r"""Validate the model.
Args:
``data`` (``dict``): The input data.
``model`` (``nn.Module``): The model.
"""
return super().validate(data, model)
@torch.no_grad()
def test(self, data: Optional[dict] = None, model: Optional[nn.Module] = None):
r"""Test the model.
Args:
``data`` (``dict``, optional): The input data if set to ``None``, the specified ``data`` in the intialization of the experiments will be used. Defaults to ``None``.
``model`` (``nn.Module``, optional): The model if set to ``None``, the trained best model will be used. Defaults to ``None``.
"""
return super().test(data, model)