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cross_task_testbed.py
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cross_task_testbed.py
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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the license found in the
# LICENSE file in the root directory of this source tree.
import json
import sklearn
import numpy as np
import settings
class CrossTaskTestbed:
def __init__(self,
source_task: str, # task for training
source_perf_metric: str,
target_task: str, # task for testing
target_perf_metric: str,
perf_matrices: dict,
meta_feat: str,
meta_features: dict,
graph_names: dict,
models: dict,
testbed_dir="cross-task-testbed"):
self.source_task = source_task
self.source_perf_metric = source_perf_metric
self.source_perf_mat = perf_matrices[source_task][source_perf_metric]
self.target_task = target_task
self.target_perf_metric = target_perf_metric
self.target_perf_mat = perf_matrices[target_task][target_perf_metric]
self.meta_feat = meta_feat
self.source_meta_feat_mat = meta_features[source_task][meta_feat]
self.target_meta_feat_mat = meta_features[target_task][meta_feat]
self.graph_names = graph_names
self.source_graph_names = graph_names[source_task]
self.target_graph_names = graph_names[target_task]
self.models = models
self.source_models = models[source_task]
self.target_models = models[target_task]
self.testbed_dir = testbed_dir
self.testbed_root = settings.TESTBED_ROOT / testbed_dir / f"{self.source_task}-to-{self.target_task}"
assert source_task != target_task, (source_task, target_task)
assert len(self.source_perf_mat) == len(self.source_meta_feat_mat), \
(len(self.source_perf_mat), len(self.source_meta_feat_mat))
assert self.source_perf_mat.shape == (len(self.source_graph_names), len(self.source_models))
assert len(self.target_perf_mat) == len(self.target_meta_feat_mat), \
(len(self.target_perf_mat), len(self.target_meta_feat_mat))
assert self.target_perf_mat.shape == (len(self.target_graph_names), len(self.target_models))
def testbed_settings(self):
return {
'source_task': self.source_task,
'target_task': self.target_task,
'models': self.models,
'graph_names': self.graph_names,
}
def load_settings(self):
assert self.testbed_root.exists()
settings = self.testbed_settings()
with (self.testbed_root / 'settings.txt').open('r') as f:
saved_settings = json.load(f)
assert saved_settings == settings, f"Saved testbed settings ({saved_settings}) are different from the given settings ({settings})"
return saved_settings
def get_train_graph_names(self):
source_graph_names = set(self.source_graph_names)
target_graph_names = set(self.target_graph_names)
if source_graph_names.issubset(target_graph_names):
return sorted(source_graph_names)
elif target_graph_names.issubset(source_graph_names):
return sorted(source_graph_names.difference(target_graph_names))
else:
return sorted(source_graph_names)
def get_test_graph_names(self):
source_graph_names = set(self.source_graph_names)
target_graph_names = set(self.target_graph_names)
if source_graph_names.issubset(target_graph_names):
return sorted(target_graph_names.difference(source_graph_names))
elif target_graph_names.issubset(source_graph_names):
return sorted(target_graph_names)
else:
return sorted(target_graph_names.difference(source_graph_names))
def get_common_models(self):
return sorted(set(self.source_models).intersection(set(self.target_models)))
def get_train_perf_mat(self):
return self.source_perf_mat
def get_test_perf_mat(self):
return self.target_perf_mat
def get_train_meta_feat_mat(self):
return self.source_meta_feat_mat
def get_test_meta_feat_mat(self):
return self.target_meta_feat_mat
def get_graph_index_path(self, train_or_test):
return {
'train': self.testbed_root / f"source-train-graph-index.csv",
'test': self.testbed_root / f"target-test-graph-index.csv",
}[train_or_test]
def get_model_index_path(self, train_or_test):
return {
'train': self.testbed_root / f"source-train-model-index.csv",
'test': self.testbed_root / f"target-test-model-index.csv",
}[train_or_test]
def get_result_dir_path(self):
return settings.RESULTS_ROOT / self.meta_feat / self.testbed_dir / \
f"{self.source_task}_{self.source_perf_metric}-to-{self.target_task}_{self.target_perf_metric}"
def generate(self):
source_graph_name_to_i = {graph_name: graph_i for graph_i, graph_name in enumerate(self.source_graph_names)}
train_graph_names = self.get_train_graph_names()
print("train_graph_names:", len(train_graph_names), train_graph_names)
source_train_graph_index = np.array([source_graph_name_to_i[graph_name] for graph_name in train_graph_names])
target_graph_name_to_i = {graph_name: graph_i for graph_i, graph_name in enumerate(self.target_graph_names)}
test_graph_names = self.get_test_graph_names()
print("test_graph_names:", len(test_graph_names), test_graph_names)
target_test_graph_index = np.array([target_graph_name_to_i[graph_name] for graph_name in test_graph_names])
self.testbed_root.mkdir(parents=True, exist_ok=True)
np.savetxt(self.get_graph_index_path('train'), source_train_graph_index, fmt='%i', delimiter=',')
np.savetxt(self.get_graph_index_path('test'), target_test_graph_index, fmt='%i', delimiter=',')
common_models = self.get_common_models()
print("common_models:", len(common_models))
source_model_to_i = {model: model_i for model_i, model in enumerate(self.source_models)}
source_train_model_index = [source_model_to_i[model] for model in common_models]
target_model_to_i = {model: model_i for model_i, model in enumerate(self.target_models)}
target_test_model_index = [target_model_to_i[model] for model in common_models]
np.savetxt(self.get_model_index_path('train'), source_train_model_index, fmt='%i', delimiter=',')
np.savetxt(self.get_model_index_path('test'), target_test_model_index, fmt='%i', delimiter=',')
with (self.testbed_root / 'settings.txt').open('w') as f:
json.dump(self.testbed_settings(), f)
return self
def load(self):
self.load_settings()
train_perf_mat = self.get_train_perf_mat()
test_perf_mat = self.get_test_perf_mat()
P_splits, M_splits, D_splits = [], [], []
train_graph_index = np.loadtxt(self.get_graph_index_path('train'), dtype=int)
train_model_index = np.loadtxt(self.get_model_index_path('train'), dtype=int)
test_graph_index = np.loadtxt(self.get_graph_index_path('test'), dtype=int)
test_model_index = np.loadtxt(self.get_model_index_path('test'), dtype=int)
P_train = train_perf_mat[train_graph_index, :][:, train_model_index].reshape(len(train_graph_index), len(train_model_index))
print("P_train:", P_train.shape)
P_test = test_perf_mat[test_graph_index, :][:, test_model_index].reshape(len(test_graph_index), len(test_model_index))
print("P_test:", P_test.shape)
P_splits.append({"train": P_train,
"train_imputed": P_train,
"train_full": P_train,
"test": P_test})
train_M_norm = sklearn.preprocessing.minmax_scale(self.get_train_meta_feat_mat().copy(), axis=0) # scale each col (meta-feat)
test_M_norm = sklearn.preprocessing.minmax_scale(self.get_test_meta_feat_mat().copy(), axis=0) # scale each col (meta-feat)
M_train = train_M_norm[train_graph_index, :].reshape(-1, train_M_norm.shape[1])
M_test = test_M_norm[test_graph_index, :].reshape(-1, test_M_norm.shape[1])
M_splits.append({"train": M_train, "test": M_test})
D_splits.append({"train": None, "test": None})
return P_splits, M_splits, D_splits
if __name__ == '__main__':
from testbeds.workspace import perf_matrices, meta_features, graph_names, all_models
for source_task, target_task in [('link-pred', 'node-class'), ('node-class', 'link-pred')]:
print(f"\nsource_task={source_task}, target_task={target_task}")
CrossTaskTestbed(
source_task=source_task,
source_perf_metric='map',
target_task=target_task,
target_perf_metric='map',
perf_matrices=perf_matrices,
meta_feat='regular',
meta_features=meta_features,
graph_names=graph_names,
models=all_models,
).generate().load()