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[RoBERTa] RobertaForSequenceClassification + conversion

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This commit is contained in:
Julien Chaumond
2019-08-08 11:24:54 -04:00
parent d2cc6b101e
commit 9d0603148b
3 changed files with 140 additions and 11 deletions
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58
pytorch_transformers/tests/modeling_roberta_test.py
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@@ -179,5 +179,63 @@ class RobertaModelTest(CommonTestCases.CommonModelTester):
shutil.rmtree(cache_dir)
self.assertIsNotNone(model)
class RobertaModelIntegrationTest(unittest.TestCase):
@pytest.mark.slow
def test_inference_masked_lm(self):
model = RobertaForMaskedLM.from_pretrained('roberta-base')
input_ids = torch.tensor([[ 0, 31414, 232, 328, 740, 1140, 12695, 69, 46078, 1588, 2]])
output = model(input_ids)[0]
expected_shape = torch.Size((1, 11, 50265))
self.assertEqual(
output.shape,
expected_shape
)
# compare the actual values for a slice.
expected_slice = torch.Tensor(
[[[33.8843, -4.3107, 22.7779],
[ 4.6533, -2.8099, 13.6252],
[ 1.8222, -3.6898, 8.8600]]]
)
self.assertTrue(
torch.allclose(output[:, :3, :3], expected_slice, atol=1e-3)
)
@pytest.mark.slow
def test_inference_no_head(self):
model = RobertaModel.from_pretrained('roberta-base')
input_ids = torch.tensor([[ 0, 31414, 232, 328, 740, 1140, 12695, 69, 46078, 1588, 2]])
output = model(input_ids)[0]
# compare the actual values for a slice.
expected_slice = torch.Tensor(
[[[-0.0231, 0.0782, 0.0074],
[-0.1854, 0.0539, -0.0174],
[ 0.0548, 0.0799, 0.1687]]]
)
self.assertTrue(
torch.allclose(output[:, :3, :3], expected_slice, atol=1e-3)
)
@pytest.mark.slow
def test_inference_classification_head(self):
model = RobertaForSequenceClassification.from_pretrained('roberta-large-mnli')
input_ids = torch.tensor([[ 0, 31414, 232, 328, 740, 1140, 12695, 69, 46078, 1588, 2]])
output = model(input_ids)[0]
expected_shape = torch.Size((1, 3))
self.assertEqual(
output.shape,
expected_shape
)
expected_tensor = torch.Tensor([[-0.9469, 0.3913, 0.5118]])
self.assertTrue(
torch.allclose(output, expected_tensor, atol=1e-3)
)
if __name__ == "__main__":
unittest.main()