Gpt1 for sequence classification (#7683)

* Add Documentation for GPT-1 Classification

* Add GPT-1 with Classification head

* Add tests for GPT-1 Classification

* Add GPT-1 For Classification to auto models

* Remove authorized missing keys, change checkpoint to openai-gpt
This commit is contained in:
Felipe Curti
2020-10-13 06:06:15 -03:00
committed by GitHub
parent f34b4cd1bd
commit dcba9ee03b
6 changed files with 153 additions and 4 deletions

View File

@@ -30,6 +30,7 @@ if is_torch_available():
OPENAI_GPT_PRETRAINED_MODEL_ARCHIVE_LIST,
OpenAIGPTConfig,
OpenAIGPTDoubleHeadsModel,
OpenAIGPTForSequenceClassification,
OpenAIGPTLMHeadModel,
OpenAIGPTModel,
)
@@ -61,6 +62,7 @@ class OpenAIGPTModelTester:
self.num_labels = 3
self.num_choices = 4
self.scope = None
self.pad_token_id = self.vocab_size - 1
def prepare_config_and_inputs(self):
input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size)
@@ -90,6 +92,7 @@ class OpenAIGPTModelTester:
n_ctx=self.max_position_embeddings,
# type_vocab_size=self.type_vocab_size,
# initializer_range=self.initializer_range
pad_token_id=self.pad_token_id,
return_dict=True,
)
@@ -134,6 +137,18 @@ class OpenAIGPTModelTester:
self.parent.assertEqual(result.loss.shape, ())
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length, self.vocab_size))
def create_and_check_openai_gpt_for_sequence_classification(
self, config, input_ids, head_mask, token_type_ids, *args
):
config.num_labels = self.num_labels
model = OpenAIGPTForSequenceClassification(config)
model.to(torch_device)
model.eval()
# print(config.num_labels, sequence_labels.size())
sequence_labels = ids_tensor([self.batch_size], self.type_sequence_label_size)
result = model(input_ids, token_type_ids=token_type_ids, labels=sequence_labels)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_labels))
def prepare_config_and_inputs_for_common(self):
config_and_inputs = self.prepare_config_and_inputs()
(
@@ -158,7 +173,9 @@ class OpenAIGPTModelTester:
class OpenAIGPTModelTest(ModelTesterMixin, unittest.TestCase):
all_model_classes = (
(OpenAIGPTModel, OpenAIGPTLMHeadModel, OpenAIGPTDoubleHeadsModel) if is_torch_available() else ()
(OpenAIGPTModel, OpenAIGPTLMHeadModel, OpenAIGPTDoubleHeadsModel, OpenAIGPTForSequenceClassification)
if is_torch_available()
else ()
)
all_generative_model_classes = (
(OpenAIGPTLMHeadModel,) if is_torch_available() else ()
@@ -183,6 +200,10 @@ class OpenAIGPTModelTest(ModelTesterMixin, unittest.TestCase):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_double_lm_head_model(*config_and_inputs)
def test_openai_gpt_classification_model(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_openai_gpt_for_sequence_classification(*config_and_inputs)
@slow
def test_model_from_pretrained(self):
for model_name in OPENAI_GPT_PRETRAINED_MODEL_ARCHIVE_LIST[:1]: