# coding=utf-8 # Copyright 2023 The HuggingFace Inc. team. 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. """Testing suite for the PyTorch Persimmon model.""" import gc import unittest from parameterized import parameterized from transformers import PersimmonConfig, is_torch_available, set_seed from transformers.testing_utils import ( backend_empty_cache, require_bitsandbytes, require_torch, require_torch_accelerator, require_torch_fp16, slow, torch_device, ) from ...generation.test_utils import GenerationTesterMixin from ...test_configuration_common import ConfigTester from ...test_modeling_common import ModelTesterMixin, ids_tensor from ...test_pipeline_mixin import PipelineTesterMixin if is_torch_available(): import torch from transformers import ( AutoTokenizer, PersimmonForCausalLM, PersimmonForSequenceClassification, PersimmonForTokenClassification, PersimmonModel, ) from transformers.models.persimmon.modeling_persimmon import ( PersimmonDynamicNTKScalingRotaryEmbedding, PersimmonLinearScalingRotaryEmbedding, PersimmonRotaryEmbedding, ) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTester with Llama->Persimmon class PersimmonModelTester: def __init__( self, parent, batch_size=13, seq_length=7, is_training=True, use_input_mask=True, use_token_type_ids=False, use_labels=True, vocab_size=99, hidden_size=32, num_hidden_layers=2, num_attention_heads=4, intermediate_size=37, hidden_act="gelu", hidden_dropout_prob=0.1, attention_probs_dropout_prob=0.1, max_position_embeddings=512, type_vocab_size=16, type_sequence_label_size=2, initializer_range=0.02, num_labels=3, num_choices=4, pad_token_id=0, scope=None, ): self.parent = parent self.batch_size = batch_size self.seq_length = seq_length self.is_training = is_training self.use_input_mask = use_input_mask self.use_token_type_ids = use_token_type_ids self.use_labels = use_labels self.vocab_size = vocab_size self.hidden_size = hidden_size self.num_hidden_layers = num_hidden_layers self.num_attention_heads = num_attention_heads self.intermediate_size = intermediate_size self.hidden_act = hidden_act self.hidden_dropout_prob = hidden_dropout_prob self.attention_probs_dropout_prob = attention_probs_dropout_prob self.max_position_embeddings = max_position_embeddings self.type_vocab_size = type_vocab_size self.type_sequence_label_size = type_sequence_label_size self.initializer_range = initializer_range self.num_labels = num_labels self.num_choices = num_choices self.pad_token_id = pad_token_id self.scope = scope def prepare_config_and_inputs(self): input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size) input_mask = None if self.use_input_mask: input_mask = torch.tril(torch.ones_like(input_ids).to(torch_device)) token_type_ids = None if self.use_token_type_ids: token_type_ids = ids_tensor([self.batch_size, self.seq_length], self.type_vocab_size) sequence_labels = None token_labels = None choice_labels = None if self.use_labels: sequence_labels = ids_tensor([self.batch_size], self.type_sequence_label_size) token_labels = ids_tensor([self.batch_size, self.seq_length], self.num_labels) choice_labels = ids_tensor([self.batch_size], self.num_choices) config = self.get_config() return config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels def get_config(self): return PersimmonConfig( vocab_size=self.vocab_size, hidden_size=self.hidden_size, num_hidden_layers=self.num_hidden_layers, num_attention_heads=self.num_attention_heads, intermediate_size=self.intermediate_size, hidden_act=self.hidden_act, hidden_dropout_prob=self.hidden_dropout_prob, attention_probs_dropout_prob=self.attention_probs_dropout_prob, max_position_embeddings=self.max_position_embeddings, type_vocab_size=self.type_vocab_size, is_decoder=False, initializer_range=self.initializer_range, pad_token_id=self.pad_token_id, ) def create_and_check_model( self, config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels ): model = PersimmonModel(config=config) model.to(torch_device) model.eval() result = model(input_ids, attention_mask=input_mask) result = model(input_ids) self.parent.assertEqual(result.last_hidden_state.shape, (self.batch_size, self.seq_length, self.hidden_size)) def create_and_check_model_as_decoder( self, config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels, encoder_hidden_states, encoder_attention_mask, ): config.add_cross_attention = True model = PersimmonModel(config) model.to(torch_device) model.eval() result = model( input_ids, attention_mask=input_mask, encoder_hidden_states=encoder_hidden_states, encoder_attention_mask=encoder_attention_mask, ) result = model( input_ids, attention_mask=input_mask, encoder_hidden_states=encoder_hidden_states, ) result = model(input_ids, attention_mask=input_mask) self.parent.assertEqual(result.last_hidden_state.shape, (self.batch_size, self.seq_length, self.hidden_size)) def create_and_check_for_causal_lm( self, config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels, encoder_hidden_states, encoder_attention_mask, ): model = PersimmonForCausalLM(config=config) model.to(torch_device) model.eval() result = model(input_ids, attention_mask=input_mask, labels=token_labels) self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length, self.vocab_size)) def create_and_check_decoder_model_past_large_inputs( self, config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels, encoder_hidden_states, encoder_attention_mask, ): config.is_decoder = True config.add_cross_attention = True model = PersimmonForCausalLM(config=config) model.to(torch_device) model.eval() # first forward pass outputs = model( input_ids, attention_mask=input_mask, encoder_hidden_states=encoder_hidden_states, encoder_attention_mask=encoder_attention_mask, use_cache=True, ) past_key_values = outputs.past_key_values # create hypothetical multiple next token and extent to next_input_ids next_tokens = ids_tensor((self.batch_size, 3), config.vocab_size) next_mask = ids_tensor((self.batch_size, 3), vocab_size=2) # append to next input_ids and next_input_ids = torch.cat([input_ids, next_tokens], dim=-1) next_attention_mask = torch.cat([input_mask, next_mask], dim=-1) output_from_no_past = model( next_input_ids, attention_mask=next_attention_mask, encoder_hidden_states=encoder_hidden_states, encoder_attention_mask=encoder_attention_mask, output_hidden_states=True, )["hidden_states"][0] output_from_past = model( next_tokens, attention_mask=next_attention_mask, encoder_hidden_states=encoder_hidden_states, encoder_attention_mask=encoder_attention_mask, past_key_values=past_key_values, output_hidden_states=True, )["hidden_states"][0] # select random slice random_slice_idx = ids_tensor((1,), output_from_past.shape[-1]).item() output_from_no_past_slice = output_from_no_past[:, -3:, random_slice_idx].detach() output_from_past_slice = output_from_past[:, :, random_slice_idx].detach() self.parent.assertTrue(output_from_past_slice.shape[1] == next_tokens.shape[1]) # test that outputs are equal for slice self.parent.assertTrue(torch.allclose(output_from_past_slice, output_from_no_past_slice, atol=1e-3)) def prepare_config_and_inputs_for_common(self): config_and_inputs = self.prepare_config_and_inputs() ( config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels, ) = config_and_inputs inputs_dict = {"input_ids": input_ids, "attention_mask": input_mask} return config, inputs_dict @require_torch class PersimmonModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineTesterMixin, unittest.TestCase): all_model_classes = ( (PersimmonModel, PersimmonForCausalLM, PersimmonForSequenceClassification, PersimmonForTokenClassification) if is_torch_available() else () ) pipeline_model_mapping = ( { "feature-extraction": PersimmonModel, "text-classification": PersimmonForSequenceClassification, "token-classification": PersimmonForTokenClassification, # TODO (ydshieh): check why these two fail. Fix them or skip them in a better way. # "text-generation": PersimmonForCausalLM, # "zero-shot": PersimmonForSequenceClassification, } if is_torch_available() else {} ) all_generative_model_classes = (PersimmonForCausalLM,) if is_torch_available() else () test_headmasking = False test_pruning = False # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.setUp with Llama->Persimmon def setUp(self): self.model_tester = PersimmonModelTester(self) self.config_tester = ConfigTester(self, config_class=PersimmonConfig, hidden_size=37) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_config def test_config(self): self.config_tester.run_common_tests() # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_model def test_model(self): config_and_inputs = self.model_tester.prepare_config_and_inputs() self.model_tester.create_and_check_model(*config_and_inputs) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_model_various_embeddings def test_model_various_embeddings(self): config_and_inputs = self.model_tester.prepare_config_and_inputs() for type in ["absolute", "relative_key", "relative_key_query"]: config_and_inputs[0].position_embedding_type = type self.model_tester.create_and_check_model(*config_and_inputs) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_llama_sequence_classification_model with Llama->Persimmon,llama->persimmon def test_persimmon_sequence_classification_model(self): config, input_dict = self.model_tester.prepare_config_and_inputs_for_common() config.num_labels = 3 input_ids = input_dict["input_ids"] attention_mask = input_ids.ne(1).to(torch_device) sequence_labels = ids_tensor([self.model_tester.batch_size], self.model_tester.type_sequence_label_size) model = PersimmonForSequenceClassification(config) model.to(torch_device) model.eval() result = model(input_ids, attention_mask=attention_mask, labels=sequence_labels) self.assertEqual(result.logits.shape, (self.model_tester.batch_size, self.model_tester.num_labels)) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_llama_sequence_classification_model_for_single_label with Llama->Persimmon,llama->persimmon def test_persimmon_sequence_classification_model_for_single_label(self): config, input_dict = self.model_tester.prepare_config_and_inputs_for_common() config.num_labels = 3 config.problem_type = "single_label_classification" input_ids = input_dict["input_ids"] attention_mask = input_ids.ne(1).to(torch_device) sequence_labels = ids_tensor([self.model_tester.batch_size], self.model_tester.type_sequence_label_size) model = PersimmonForSequenceClassification(config) model.to(torch_device) model.eval() result = model(input_ids, attention_mask=attention_mask, labels=sequence_labels) self.assertEqual(result.logits.shape, (self.model_tester.batch_size, self.model_tester.num_labels)) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_llama_sequence_classification_model_for_multi_label with Llama->Persimmon,llama->persimmon def test_persimmon_sequence_classification_model_for_multi_label(self): config, input_dict = self.model_tester.prepare_config_and_inputs_for_common() config.num_labels = 3 config.problem_type = "multi_label_classification" input_ids = input_dict["input_ids"] attention_mask = input_ids.ne(1).to(torch_device) sequence_labels = ids_tensor( [self.model_tester.batch_size, config.num_labels], self.model_tester.type_sequence_label_size ).to(torch.float) model = PersimmonForSequenceClassification(config) model.to(torch_device) model.eval() result = model(input_ids, attention_mask=attention_mask, labels=sequence_labels) self.assertEqual(result.logits.shape, (self.model_tester.batch_size, self.model_tester.num_labels)) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_llama_token_classification_model with Llama->Persimmon,llama->persimmon def test_persimmon_token_classification_model(self): config, input_dict = self.model_tester.prepare_config_and_inputs_for_common() config.num_labels = 3 input_ids = input_dict["input_ids"] attention_mask = input_ids.ne(1).to(torch_device) token_labels = ids_tensor([self.model_tester.batch_size, self.model_tester.seq_length], config.num_labels) model = PersimmonForTokenClassification(config=config) model.to(torch_device) model.eval() result = model(input_ids, attention_mask=attention_mask, labels=token_labels) self.assertEqual( result.logits.shape, (self.model_tester.batch_size, self.model_tester.seq_length, self.model_tester.num_labels), ) @unittest.skip(reason="Persimmon buffers include complex numbers, which breaks this test") # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_save_load_fast_init_from_base def test_save_load_fast_init_from_base(self): pass @parameterized.expand([("linear",), ("dynamic",)]) # Copied from tests.models.llama.test_modeling_llama.LlamaModelTest.test_model_rope_scaling_from_config with Llama->Persimmon def test_model_rope_scaling_from_config(self, scaling_type): config, _ = self.model_tester.prepare_config_and_inputs_for_common() short_input = ids_tensor([1, 10], config.vocab_size) long_input = ids_tensor([1, int(config.max_position_embeddings * 1.5)], config.vocab_size) set_seed(42) # Fixed seed at init time so the two models get the same random weights original_model = PersimmonModel(config) original_model.to(torch_device) original_model.eval() original_short_output = original_model(short_input).last_hidden_state original_long_output = original_model(long_input).last_hidden_state set_seed(42) # Fixed seed at init time so the two models get the same random weights config.rope_scaling = {"type": scaling_type, "factor": 10.0} scaled_model = PersimmonModel(config) scaled_model.to(torch_device) scaled_model.eval() scaled_short_output = scaled_model(short_input).last_hidden_state scaled_long_output = scaled_model(long_input).last_hidden_state # Dynamic scaling does not change the RoPE embeddings until it receives an input longer than the original # maximum sequence length, so the outputs for the short input should match. if scaling_type == "dynamic": self.assertTrue(torch.allclose(original_short_output, scaled_short_output, atol=1e-5)) else: self.assertFalse(torch.allclose(original_short_output, scaled_short_output, atol=1e-5)) # The output should be different for long inputs self.assertFalse(torch.allclose(original_long_output, scaled_long_output, atol=1e-5)) # Copied from tests.models.falcon.test_modeling_falcon.FalconModelTest.test_model_rope_scaling with Falcon->Persimmon def test_model_rope_scaling(self): config, _ = self.model_tester.prepare_config_and_inputs_for_common() hidden_size = config.hidden_size num_heads = config.num_attention_heads head_dim = hidden_size // num_heads scaling_factor = 10 short_input_length = 10 long_input_length = int(config.max_position_embeddings * 1.5) # Inputs x = torch.randn(1, dtype=torch.float32, device=torch_device) # used exlusively to get the dtype and the device position_ids_short = torch.arange(short_input_length, dtype=torch.long, device=torch_device) position_ids_short = position_ids_short.unsqueeze(0) position_ids_long = torch.arange(long_input_length, dtype=torch.long, device=torch_device) position_ids_long = position_ids_long.unsqueeze(0) # Sanity check original RoPE original_rope = PersimmonRotaryEmbedding( head_dim, max_position_embeddings=config.max_position_embeddings, base=config.rope_theta, ).to(torch_device) original_cos_short, original_sin_short = original_rope(x, position_ids_short) original_cos_long, original_sin_long = original_rope(x, position_ids_long) torch.testing.assert_close(original_cos_short, original_cos_long[:, :short_input_length, :]) torch.testing.assert_close(original_sin_short, original_sin_long[:, :short_input_length, :]) # Sanity check linear RoPE scaling # New position "x" should match original position with index "x/scaling_factor" linear_scaling_rope = PersimmonLinearScalingRotaryEmbedding( head_dim, max_position_embeddings=config.max_position_embeddings, base=config.rope_theta, scaling_factor=scaling_factor, ).to(torch_device) linear_cos_short, linear_sin_short = linear_scaling_rope(x, position_ids_short) linear_cos_long, linear_sin_long = linear_scaling_rope(x, position_ids_long) torch.testing.assert_close(linear_cos_short, linear_cos_long[:, :short_input_length, :]) torch.testing.assert_close(linear_sin_short, linear_sin_long[:, :short_input_length, :]) for new_position in range(0, long_input_length, scaling_factor): original_position = int(new_position // scaling_factor) torch.testing.assert_close(linear_cos_long[:, new_position, :], original_cos_long[:, original_position, :]) torch.testing.assert_close(linear_sin_long[:, new_position, :], original_sin_long[:, original_position, :]) # Sanity check Dynamic NTK RoPE scaling # Scaling should only be observed after a long input is fed. We can observe that the frequencies increase # with scaling_factor (or that `inv_freq` decreases) ntk_scaling_rope = PersimmonDynamicNTKScalingRotaryEmbedding( head_dim, max_position_embeddings=config.max_position_embeddings, base=config.rope_theta, scaling_factor=scaling_factor, ).to(torch_device) ntk_cos_short, ntk_sin_short = ntk_scaling_rope(x, position_ids_short) ntk_cos_long, ntk_sin_long = ntk_scaling_rope(x, position_ids_long) torch.testing.assert_close(ntk_cos_short, original_cos_short) torch.testing.assert_close(ntk_sin_short, original_sin_short) with self.assertRaises(AssertionError): torch.testing.assert_close(ntk_cos_long, original_cos_long) with self.assertRaises(AssertionError): torch.testing.assert_close(ntk_sin_long, original_sin_long) self.assertTrue((ntk_scaling_rope.inv_freq <= original_rope.inv_freq).all()) @require_torch class PersimmonIntegrationTest(unittest.TestCase): @slow @require_torch_accelerator @require_bitsandbytes def test_model_8b_chat_logits(self): input_ids = [1, 306, 4658, 278, 6593, 310, 2834, 338] model = PersimmonForCausalLM.from_pretrained( "adept/persimmon-8b-chat", load_in_8bit=True, device_map={"": 0}, torch_dtype=torch.float16 ) out = model(torch.tensor([input_ids], device=torch_device)).logits EXPECTED_MEAN = torch.tensor( [[-11.4726, -11.1495, -11.2694, -11.2223, -10.9452, -11.0663, -11.0031, -11.1028]] ) # change dtype to `torch.float32` before calling `mean` to avoid `nan` values torch.testing.assert_close(out.cpu().to(torch.float32).mean(-1), EXPECTED_MEAN, atol=1e-4, rtol=1e-4) # fmt: off EXPECTED_SLICE = torch.tensor( [-16.9062, -16.9062, -16.9062, -16.9062, -16.8906, -16.9062, -16.9531, -16.9062, -16.9062, -16.9062, -16.9531, -16.9062, -16.9531, -16.9062, -16.9062, -16.9062, -16.9062, -16.9062, -16.9531, -16.9062, -16.9062, -16.9062, -16.9062, -16.9062, -16.9062, -16.9531, -16.9062, -16.9531, -16.9062, -16.9062], dtype=torch.float16 ) # fmt: on torch.testing.assert_close(out.cpu()[0, 0, :30], EXPECTED_SLICE, atol=1e-5, rtol=1e-5) backend_empty_cache(torch_device) del model gc.collect() @slow @require_torch_accelerator @require_torch_fp16 @require_bitsandbytes def test_model_8b_chat_greedy_generation(self): EXPECTED_TEXT_COMPLETION = """human: Simply put, the theory of relativity states that?\n\nadept: The theory of relativity states that the laws of physics are the same for all observers, regardless of their relative motion.""" prompt = "human: Simply put, the theory of relativity states that?\n\nadept:" tokenizer = AutoTokenizer.from_pretrained("adept/persimmon-8b-chat", use_fast=False) input_ids = tokenizer.encode(prompt, return_tensors="pt").to(torch_device) model = PersimmonForCausalLM.from_pretrained( "adept/persimmon-8b-chat", load_in_8bit=True, device_map={"": 0}, torch_dtype=torch.float16 ) # greedy generation outputs generated_ids = model.generate(input_ids, max_new_tokens=64) text = tokenizer.decode(generated_ids[0], skip_special_tokens=True) self.assertEqual(EXPECTED_TEXT_COMPLETION, text) backend_empty_cache(torch_device) del model gc.collect()