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README.md
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---
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license: apache-2.0
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language:
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- en
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base_model:
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- meta-llama/Llama-3.1-8B-instruct
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pipeline_tag: text-generation
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tags:
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- lora
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- adapter
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- writing
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- CoT
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---
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# Merged-Llama-Adapters-317-320
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A merged LoRA adapter combining four fine-tuned adapters (317-320) for the Llama-3.1-8B language model.
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## Model Details
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- Base Model: meta-llama/Llama-3.1-8B-instruct
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- Adaptation Method: Merged LoRA
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- Source Adapters:
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- https://huggingface.co/kevin009/merge-17-2
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- https://huggingface.co/kevin009/llama318
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- https://huggingface.co/kevin009/llama319
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- https://huggingface.co/kevin009/llama320
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- https://huggingface.co/kevin009/llama1720-base
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- https://huggingface.co/kevin009/llama324
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## Merger Configuration
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### Source Adapters
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All source adapters share the following configuration:
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- Rank (r): 16
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- Alpha: 16
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- Target Modules:
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- q_proj (Query projection)
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- k_proj (Key projection)
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- v_proj (Value projection)
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- o_proj (Output projection)
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- up_proj (Upsampling projection)
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- down_proj (Downsampling projection)
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- gate_proj (Gate projection)
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### Merger Details
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- Merger Method: Linear interpolation
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- Merger Weights: Equal weights (0.25) for each adapter
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- Combined Rank: 16 (maintained from source adapters)
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## Usage
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This merged adapter must be used with the base Llama-3.1-8B-instruct model.
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### Loading the Model
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```python
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# Initialize with first F32 model
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peft_model = PeftModel.from_pretrained(model, "llama319", adapter_name="llama319")
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# Load F32 models (higher precision)
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peft_model.load_adapter("llama324", adapter_name="llama324")
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peft_model.load_adapter("llama320", adapter_name="llama320")
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peft_model.load_adapter("llama318", adapter_name="llama318")
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peft_model.load_adapter("llama1720-base", adapter_name="llama1720-base")
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peft_model.load_adapter("merge-17-20", adapter_name="merge-17-20")
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adapters = ["llama319", "llama320", "llama1720-base", "merge-17-20", "llama324", "llama318"]
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weights = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
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peft_model.add_weighted_adapter(adapters, weights, "merge", combination_type="ties", density=0.2)
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peft_model.set_adapter("merge")
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peft_model.save_pretrained("merged")
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```
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## Limitations and Biases
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- This merged adapter inherits limitations and biases from:
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- The base Llama-3.1-8B-instruct model
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- All four source adapters
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- The merging process may result in:
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- Potential loss of specialized capabilities from individual adapters
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- Averaged behavior across different adapter specializations
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- Possible interference between adapter weights
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## Merging Process
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The adapters were merged using the following approach:
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1. Linear interpolation of adapter weights
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2. Equal weighting (0.25) applied to each source adapter
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3. Preservation of original LoRA rank and architecture
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### Method Used
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The adapters were merged using PEFT (Parameter-Efficient Fine-Tuning) library's weighted adapter combination feature. The process combines multiple LoRA adapters using linear interpolation with specified weights.
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### Key Parameters
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- `combination_type="ties"`: Uses the TIES (Task Interference Edge Selection) method for combining adapters
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- `density=0.2`: Controls the sparsity of the merged weights
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### Notes
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- The order of loading adapters may affect the final result
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- Equal weights were chosen to maintain balanced influence from each adapter
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- The merged adapter maintains the same architecture and rank as the original adapters
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- While this adapter merges multiple fine-tunes, each component was developed as part of independent research efforts to explore and language model capabilities as part of R&D process.
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## Datasets
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- Not yet released, but should be released after evaluation has completed.
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- Creating dataset alone tooks more than 3 month for creating 30k pairs dataset.
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- Only 1k pairs example considered to be synthetic dataset, the rest half synthetic and human written text.
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### Use Cases
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- This merged adapter can be used for a wide range of tasks, including but not limited to:
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- Accessibility
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- Revision & Editing
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- instruction-following use with xml tags
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- Thinking & reasoning with xml tag of <thinking> and </thinking>, if being asked i the instructions.
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These Models not optimized for code, math, or other specialized tasks that need Perefence Optimization.
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## Why SFT Instead of RLHF/DPO?
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- RLHF and DPO approaches often lead to vocabulary limitations and overfitting due to their optimization objectives
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## Why Multiple Adapters?
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- Resource Issue: Placing the training into smaller adapters requires less GPU memory and compute time while gives more control over the training process.
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- Iterative Development: Each adapter can be developed and tested independently
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- Training Infrastructure: The complete fine-tuning process was conducted across multiple sessions, totaling over 100 hours on high-end GPUs (H100, H200, or L40s)
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- Flexibility: Multiple adapters allow for different combinations or weightings
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## License
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Licensed under Apache 2.0 License.
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This merged adapter is part of independent individual research work. While the code is open-source under the Apache 2.0 license, please note:
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- You are free to use, modify, and distribute this adapter following the Apache 2.0 license terms
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- This work is provided "as is" without warranties or conditions of any kind
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- This is an independent research project and not affiliated with any organization
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- Attribution is appreciated but not required
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- For full license details, see: https://www.apache.org/licenses/LICENSE-2.0
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