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# How to Create A Custom Language Model
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When working with advanced language models, there might come a time when you need a custom solution tailored to your specific needs. Inheriting from an `AbstractLLM` in a Python framework allows developers to create custom language model classes with ease. This developer guide will take you through the process step by step.
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### Prerequisites
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Before you begin, ensure that you have:
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- A working knowledge of Python programming.
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- Basic understanding of object-oriented programming (OOP) in Python.
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- Familiarity with language models and natural language processing (NLP).
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- The appropriate Python framework installed, with access to `AbstractLLM`.
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### Step-by-Step Guide
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#### Step 1: Understand `AbstractLLM`
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The `AbstractLLM` is an abstract base class that defines a set of methods and properties which your custom language model (LLM) should implement. Abstract classes in Python are not designed to be instantiated directly but are meant to be subclasses.
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#### Step 2: Create a New Class
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Start by defining a new class that inherits from `AbstractLLM`. This class will implement the required methods defined in the abstract base class.
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```python
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from swarms import AbstractLLM
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class vLLMLM(AbstractLLM):
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pass
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```
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#### Step 3: Initialize Your Class
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Implement the `__init__` method to initialize your custom LLM. You'll want to initialize the base class as well and define any additional parameters for your model.
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```python
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class vLLMLM(AbstractLLM):
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def __init__(self, model_name='default_model', tensor_parallel_size=1, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.model_name = model_name
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self.tensor_parallel_size = tensor_parallel_size
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# Add any additional initialization here
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```
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#### Step 4: Implement Required Methods
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Implement the `run` method or any other abstract methods required by `AbstractLLM`. This is where you define how your model processes input and returns output.
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```python
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class vLLMLM(AbstractLLM):
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# ... existing code ...
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def run(self, task, *args, **kwargs):
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# Logic for running your model goes here
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return "Processed output"
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```
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#### Step 5: Test Your Model
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Instantiate your custom LLM and test it to ensure that it works as expected.
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```python
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model = vLLMLM(model_name='my_custom_model', tensor_parallel_size=2)
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output = model.run("What are the symptoms of COVID-19?")
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print(output) # Outputs: "Processed output"
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```
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#### Step 6: Integrate Additional Components
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Depending on the requirements, you might need to integrate additional components such as database connections, parallel computing resources, or custom processing pipelines.
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#### Step 7: Documentation
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Write comprehensive docstrings for your class and its methods. Good documentation is crucial for maintaining the code and for other developers who might use your model.
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```python
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class vLLMLM(AbstractLLM):
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"""
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A custom language model class that extends AbstractLLM.
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... more detailed docstring ...
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"""
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# ... existing code ...
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```
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#### Step 8: Best Practices
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Follow best practices such as error handling, input validation, and resource management to ensure your model is robust and reliable.
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#### Step 9: Packaging Your Model
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Package your custom LLM class into a module or package that can be easily distributed and imported into other projects.
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#### Step 10: Version Control and Collaboration
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Use a version control system like Git to track changes to your model. This makes collaboration easier and helps you keep a history of your work.
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### Conclusion
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By following this guide, you should now have a custom model that extends the `AbstractLLM`. Remember that the key to a successful custom LLM is understanding the base functionalities, implementing necessary changes, and testing thoroughly. Keep iterating and improving based on feedback and performance metrics.
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### Further Reading
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- Official Python documentation on abstract base classes.
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- In-depth tutorials on object-oriented programming in Python.
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- Advanced NLP techniques and optimization strategies for language models.
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This guide provides the fundamental steps to create custom models using `AbstractLLM`. For detailed implementation and advanced customization, it's essential to dive deeper into the specific functionalities and capabilities of the language model framework you are using.
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@ -0,0 +1,89 @@
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from vllm import LLM
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from swarms import AbstractLLM, Agent, ChromaDB
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# Making an instance of the VLLM class
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class vLLMLM(AbstractLLM):
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"""
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This class represents a variant of the Language Model (LLM) called vLLMLM.
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It extends the AbstractLLM class and provides additional functionality.
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Args:
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model_name (str): The name of the LLM model to use. Defaults to "acebook/opt-13b".
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tensor_parallel_size (int): The size of the tensor parallelism. Defaults to 4.
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*args: Variable length argument list.
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**kwargs: Arbitrary keyword arguments.
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Attributes:
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model_name (str): The name of the LLM model.
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tensor_parallel_size (int): The size of the tensor parallelism.
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llm (LLM): An instance of the LLM class.
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Methods:
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run(task: str, *args, **kwargs): Runs the LLM model to generate output for the given task.
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"""
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def __init__(
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self,
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model_name: str = "acebook/opt-13b",
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tensor_parallel_size: int = 4,
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*args,
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**kwargs
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):
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super().__init__(*args, **kwargs)
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self.model_name = model_name
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self.tensor_parallel_size = tensor_parallel_size
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self.llm = LLM(
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model_name=self.model_name,
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tensor_parallel_size=self.tensor_parallel_size,
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)
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def run(self, task: str, *args, **kwargs):
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"""
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Runs the LLM model to generate output for the given task.
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Args:
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task (str): The task for which to generate output.
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*args: Variable length argument list.
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**kwargs: Arbitrary keyword arguments.
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Returns:
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str: The generated output for the given task.
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"""
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return self.llm.generate(task)
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# Initializing the agent with the vLLMLM instance and other parameters
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model = vLLMLM(
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"facebook/opt-13b",
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tensor_parallel_size=4,
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)
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# Defining the task
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task = "What are the symptoms of COVID-19?"
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# Running the agent with the specified task
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out = model.run(task)
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# Integrate Agent
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agent = Agent(
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agent_name="Doctor agent",
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agent_description=(
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"This agent provides information about COVID-19 symptoms."
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),
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llm=model,
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max_loops="auto",
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autosave=True,
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verbose=True,
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long_term_memory=ChromaDB(
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metric="cosine",
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n_results=3,
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output_dir="results",
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docs_folder="docs",
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),
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stopping_condition="finish",
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)
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