huggingface llm

Former-commit-id: dc7a0e3741

swarms/models/__init__.py

@@ -5,6 +5,8 @@ from swarms.models.mistral import Mistral
 from swarms.models.openai_models import OpenAI, AzureOpenAI, OpenAIChat
 from swarms.models.zephyr import Zephyr
 from swarms.models.biogpt import BioGPT
+from swarms.models.huggingface import HuggingFace
+
 
 # MultiModal Models
 from swarms.models.idefics import Idefics
@@ -34,4 +36,5 @@ __all__ = [
     "Nougat",
     "LayoutLMDocumentQA",
     "BioGPT",
+    "HuggingFace",
 ]

swarms/models/huggingface.py

@@ -0,0 +1,213 @@
+import logging
+
+import torch
+from torch.nn.parallel import DistributedDataParallel as DDP
+from transformers import AutoModelForCausalLM, AutoTokenizer, BitsAndBytesConfig
+
+
+class HuggingfaceLLM:
+    """
+    A class for running inference on a given model.
+
+    Attributes:
+        model_id (str): The ID of the model.
+        device (str): The device to run the model on (either 'cuda' or 'cpu').
+        max_length (int): The maximum length of the output sequence.
+        quantize (bool, optional): Whether to use quantization. Defaults to False.
+        quantization_config (dict, optional): The configuration for quantization.
+        verbose (bool, optional): Whether to print verbose logs. Defaults to False.
+        logger (logging.Logger, optional): The logger to use. Defaults to a basic logger.
+
+    # Usage
+    ```
+    from finetuning_suite import Inference
+
+    model_id = "gpt2-small"
+    inference = Inference(model_id=model_id)
+
+    prompt_text = "Once upon a time"
+    generated_text = inference(prompt_text)
+    print(generated_text)
+    ```
+    """
+
+    def __init__(
+        self,
+        model_id: str,
+        device: str = None,
+        max_length: int = 20,
+        quantize: bool = False,
+        quantization_config: dict = None,
+        verbose=False,
+        # logger=None,
+        distributed=False,
+        decoding=False,
+    ):
+        self.logger = logging.getLogger(__name__)
+        self.device = (
+            device if device else ("cuda" if torch.cuda.is_available() else "cpu")
+        )
+        self.model_id = model_id
+        self.max_length = max_length
+        self.verbose = verbose
+        self.distributed = distributed
+        self.decoding = decoding
+        self.model, self.tokenizer = None, None
+        # self.log = Logging()
+
+        if self.distributed:
+            assert (
+                torch.cuda.device_count() > 1
+            ), "You need more than 1 gpu for distributed processing"
+
+        bnb_config = None
+        if quantize:
+            if not quantization_config:
+                quantization_config = {
+                    "load_in_4bit": True,
+                    "bnb_4bit_use_double_quant": True,
+                    "bnb_4bit_quant_type": "nf4",
+                    "bnb_4bit_compute_dtype": torch.bfloat16,
+                }
+            bnb_config = BitsAndBytesConfig(**quantization_config)
+
+        try:
+            self.tokenizer = AutoTokenizer.from_pretrained(self.model_id)
+            self.model = AutoModelForCausalLM.from_pretrained(
+                self.model_id, quantization_config=bnb_config
+            )
+
+            self.model  # .to(self.device)
+        except Exception as e:
+            self.logger.error(f"Failed to load the model or the tokenizer: {e}")
+            raise
+
+    def load_model(self):
+        if not self.model or not self.tokenizer:
+            try:
+                self.tokenizer = AutoTokenizer.from_pretrained(self.model_id)
+
+                bnb_config = (
+                    BitsAndBytesConfig(**self.quantization_config)
+                    if self.quantization_config
+                    else None
+                )
+
+                self.model = AutoModelForCausalLM.from_pretrained(
+                    self.model_id, quantization_config=bnb_config
+                ).to(self.device)
+
+                if self.distributed:
+                    self.model = DDP(self.model)
+            except Exception as error:
+                self.logger.error(f"Failed to load the model or the tokenizer: {error}")
+                raise
+
+    def run(self, prompt_text: str, max_length: int = None):
+        """
+        Generate a response based on the prompt text.
+
+        Args:
+        - prompt_text (str): Text to prompt the model.
+        - max_length (int): Maximum length of the response.
+
+        Returns:
+        - Generated text (str).
+        """
+        self.load_model()
+
+        max_length = max_length if max_length else self.max_length
+
+        try:
+            inputs = self.tokenizer.encode(prompt_text, return_tensors="pt").to(
+                self.device
+            )
+
+            # self.log.start()
+
+            if self.decoding:
+                with torch.no_grad():
+                    for _ in range(max_length):
+                        output_sequence = []
+
+                        outputs = self.model.generate(
+                            inputs, max_length=len(inputs) + 1, do_sample=True
+                        )
+                        output_tokens = outputs[0][-1]
+                        output_sequence.append(output_tokens.item())
+
+                        # print token in real-time
+                        print(
+                            self.tokenizer.decode(
+                                [output_tokens], skip_special_tokens=True
+                            ),
+                            end="",
+                            flush=True,
+                        )
+                        inputs = outputs
+            else:
+                with torch.no_grad():
+                    outputs = self.model.generate(
+                        inputs, max_length=max_length, do_sample=True
+                    )
+
+            del inputs
+            return self.tokenizer.decode(outputs[0], skip_special_tokens=True)
+        except Exception as e:
+            self.logger.error(f"Failed to generate the text: {e}")
+            raise
+
+    def __call__(self, prompt_text: str, max_length: int = None):
+        """
+        Generate a response based on the prompt text.
+
+        Args:
+        - prompt_text (str): Text to prompt the model.
+        - max_length (int): Maximum length of the response.
+
+        Returns:
+        - Generated text (str).
+        """
+        self.load_model()
+
+        max_length = max_length if max_length else self.max_length
+
+        try:
+            inputs = self.tokenizer.encode(prompt_text, return_tensors="pt").to(
+                self.device
+            )
+
+            # self.log.start()
+
+            if self.decoding:
+                with torch.no_grad():
+                    for _ in range(max_length):
+                        output_sequence = []
+
+                        outputs = self.model.generate(
+                            inputs, max_length=len(inputs) + 1, do_sample=True
+                        )
+                        output_tokens = outputs[0][-1]
+                        output_sequence.append(output_tokens.item())
+
+                        # print token in real-time
+                        print(
+                            self.tokenizer.decode(
+                                [output_tokens], skip_special_tokens=True
+                            ),
+                            end="",
+                            flush=True,
+                        )
+                        inputs = outputs
+            else:
+                with torch.no_grad():
+                    outputs = self.model.generate(
+                        inputs, max_length=max_length, do_sample=True
+                    )
+
+            del inputs
+
+            return self.tokenizer.decode(outputs[0], skip_special_tokens=True)
+        except Exception as e:
+            self.logger.error(f"Failed to generate the text: {e}")
+            raise