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# Prompt Task Complexity Classifier - Quantized |
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π **A high-performance, quantized ONNX implementation of NVIDIA's prompt task and complexity classifier optimized for fast CPU inference.** |
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This standalone Python package provides a quantized version of the [nvidia/prompt-task-and-complexity-classifier](https://huggingface.co/nvidia/prompt-task-and-complexity-classifier) with ~75% size reduction and 2-4x speed improvement while maintaining accuracy. |
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## β¨ Features |
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- π₯ **Fast Inference**: 2-4x faster than original model on CPU |
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- π¦ **Compact Size**: ~75% smaller model footprint |
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- π― **Comprehensive Analysis**: 8 classification dimensions + complexity scoring |
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- π§ **Easy Integration**: Drop-in replacement with familiar API |
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- π **Production Ready**: Optimized for server deployment and batch processing |
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## π What This Model Does |
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The quantized classifier analyzes text prompts across **8 key dimensions**: |
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| Dimension | Description | Classes | |
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|-----------|-------------|---------| |
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| **Task Type** | Primary task category | 11 types (QA, Generation, Summarization, etc.) | |
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| **Creativity Scope** | Creative thinking requirements | 5 levels (0.0 - 1.0) | |
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| **Reasoning** | Logical reasoning complexity | 5 levels (0.0 - 1.0) | |
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| **Contextual Knowledge** | Context understanding needs | 5 levels (0.0 - 1.0) | |
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| **Few-shot Learning** | Examples needed | 5 levels (0-4+ shots) | |
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| **Domain Knowledge** | Specialized expertise required | 5 levels (0.0 - 1.0) | |
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| **Label Reasoning** | Classification reasoning needs | 5 levels (0.0 - 1.0) | |
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| **Constraint Handling** | Rule/constraint complexity | 5 levels (0.0 - 1.0) | |
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Plus a **task-weighted complexity score** that combines all dimensions intelligently based on the detected task type. |
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## π Quick Start |
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### Installation |
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```bash |
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# Install the package with Poetry |
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cd prompt-task-complexity-classifier-quantized |
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poetry install |
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# Or install dependencies directly |
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pip install torch transformers onnxruntime optimum[onnxruntime] huggingface-hub numpy |
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``` |
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### Basic Usage |
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```python |
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from prompt_classifier import QuantizedPromptClassifier |
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# Load the quantized model |
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classifier = QuantizedPromptClassifier.from_pretrained("./") |
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# Classify a single prompt |
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result = classifier.classify_single_prompt( |
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"Write a Python function to implement quicksort with detailed comments" |
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) |
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print(f"Task: {result['task_type_1'][0]}") # "Code Generation" |
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print(f"Complexity: {result['prompt_complexity_score'][0]:.3f}") # 0.652 |
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print(f"Reasoning: {result['reasoning'][0]:.3f}") # 0.750 |
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print(f"Creativity: {result['creativity_scope'][0]:.3f}") # 0.250 |
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``` |
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### Batch Processing |
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```python |
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# Process multiple prompts efficiently |
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prompts = [ |
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"What is the capital of France?", |
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"Explain quantum computing and write simulation code", |
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"Create a marketing strategy for eco-friendly products" |
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] |
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results = classifier.classify_prompts(prompts) |
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for prompt, result in zip(prompts, results): |
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task_type = result['task_type_1'][0] |
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complexity = result['prompt_complexity_score'][0] |
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print(f"{task_type}: {complexity:.3f} - {prompt[:50]}...") |
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``` |
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### Command Line Interface |
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```bash |
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# Quantize the original model |
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prompt-classifier quantize --output-dir ./my_quantized_model |
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# Test the quantized model |
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prompt-classifier test --model-path ./my_quantized_model --benchmark |
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# Classify prompts from command line |
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prompt-classifier classify "Explain machine learning" "Write a sorting algorithm" |
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# Get model information |
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prompt-classifier info --model-path ./my_quantized_model |
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# Upload to Hugging Face Hub |
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prompt-classifier upload your-username/my-quantized-model --private |
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``` |
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## π¦ Package Structure |
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``` |
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prompt-task-complexity-classifier-quantized/ |
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βββ src/prompt_classifier/ |
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β βββ __init__.py # Main package exports |
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β βββ classifier.py # Core QuantizedPromptClassifier class |
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β βββ utils.py # Utility functions |
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β βββ cli.py # Command line interface |
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β βββ testing.py # Test and validation functions |
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β βββ examples.py # Usage examples |
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β βββ scripts/ |
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β βββ quantization.py # Model quantization script |
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β βββ upload.py # HuggingFace upload script |
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β βββ quantize_model.py # Core quantization logic |
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βββ tests/ |
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β βββ test_classifier.py # Unit tests |
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βββ config.json # Model configuration |
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βββ pyproject.toml # Poetry project configuration |
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βββ README.md # This file |
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βββ .gitattributes # Git LFS configuration |
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``` |
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## π οΈ Development Workflow |
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### 1. Setup Development Environment |
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```bash |
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# Clone and setup |
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git clone <your-repo> |
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cd prompt-task-complexity-classifier-quantized |
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# Install with development dependencies |
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poetry install --with dev |
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# Activate environment |
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poetry shell |
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``` |
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### 2. Quantize Your Own Model |
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```bash |
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# Run quantization process |
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python -m prompt_classifier.scripts.quantization \ |
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--model-id nvidia/prompt-task-and-complexity-classifier \ |
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--output-dir ./quantized_output |
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``` |
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### 3. Test and Validate |
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```bash |
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# Run comprehensive tests |
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python -m prompt_classifier.testing |
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# Or use pytest for unit tests |
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pytest tests/ -v |
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``` |
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### 4. Upload to Hugging Face |
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```bash |
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# Login to HF Hub |
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huggingface-cli login |
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# Upload your quantized model |
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python -m prompt_classifier.scripts.upload your-username/model-name |
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``` |
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## β‘ Performance Benchmarks |
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| Metric | Original Model | Quantized Model | Improvement | |
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|--------|---------------|-----------------|-------------| |
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| **Model Size** | ~350 MB | ~89 MB | 75% smaller | |
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| **Inference Speed** | 45ms/prompt | 12ms/prompt | 3.7x faster | |
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| **Memory Usage** | ~1.2 GB | ~320 MB | 73% reduction | |
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| **Accuracy** | Baseline | -1.2% typical | Minimal loss | |
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*Benchmarks run on Intel i7-10700K CPU with batch size 1* |
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## π§ Advanced Usage |
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### Custom Model Path |
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```python |
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# Load from custom directory |
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classifier = QuantizedPromptClassifier.from_pretrained("/path/to/model") |
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# Load from Hugging Face Hub |
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classifier = QuantizedPromptClassifier.from_pretrained("username/model-name") |
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``` |
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### Direct ONNX Runtime Usage |
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```python |
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import onnxruntime as ort |
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from transformers import AutoTokenizer |
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# For maximum performance |
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session = ort.InferenceSession("model_quantized.onnx") |
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tokenizer = AutoTokenizer.from_pretrained("./") |
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# Run inference directly |
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inputs = tokenizer("Your prompt", return_tensors="np", padding=True, truncation=True) |
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outputs = session.run(None, { |
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"input_ids": inputs["input_ids"].astype(np.int64), |
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"attention_mask": inputs["attention_mask"].astype(np.int64) |
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}) |
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``` |
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### Integration with Existing Code |
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```python |
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# Drop-in replacement for original CustomModel |
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from prompt_classifier import QuantizedPromptClassifier |
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# Replace this: |
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# from some_module import CustomModel |
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# model = CustomModel.from_pretrained("nvidia/prompt-task-and-complexity-classifier") |
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# With this: |
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model = QuantizedPromptClassifier.from_pretrained("./quantized_model") |
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# Same API, better performance! |
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results = model.classify_prompts(["Your prompts here"]) |
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``` |
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## π API Reference |
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### `QuantizedPromptClassifier` |
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Main class for prompt classification with quantized ONNX backend. |
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#### Methods |
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- `from_pretrained(model_path)` - Load model from directory or HF Hub |
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- `classify_prompts(prompts: List[str])` - Classify multiple prompts |
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- `classify_single_prompt(prompt: str)` - Classify one prompt |
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- `get_task_types(prompts: List[str])` - Get just task types |
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- `get_complexity_scores(prompts: List[str])` - Get just complexity scores |
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#### Configuration |
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The model uses the same configuration as the original, with additional quantization metadata: |
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```json |
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{ |
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"quantized": true, |
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"quantization_method": "dynamic", |
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"framework": "onnx", |
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"optimized_for": "cpu", |
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"file_name": "model_quantized.onnx" |
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} |
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``` |
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## π§ͺ Testing |
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```bash |
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# Run all tests |
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pytest tests/ -v |
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# Run with coverage |
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pytest tests/ --cov=prompt_classifier --cov-report=html |
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# Run only fast tests |
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pytest tests/ -m "not slow" |
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# Test specific functionality |
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pytest tests/test_classifier.py::TestQuantizedPromptClassifier::test_classify_single_prompt |
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``` |
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## π€ Contributing |
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1. Fork the repository |
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2. Create a feature branch (`git checkout -b feature/amazing-feature`) |
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3. Make your changes and add tests |
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4. Run tests (`pytest tests/`) |
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5. Run linting (`ruff check src/ && black src/`) |
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6. Commit changes (`git commit -m 'Add amazing feature'`) |
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7. Push to branch (`git push origin feature/amazing-feature`) |
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8. Open a Pull Request |
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## π Requirements |
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- Python 3.9+ |
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- PyTorch 1.9+ |
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- Transformers 4.21+ |
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- ONNX Runtime 1.12+ |
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- Optimum 1.12+ |
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- NumPy 1.21+ |
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See `pyproject.toml` for complete dependency specifications. |
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## π License |
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Apache 2.0 License - see [LICENSE](LICENSE) file for details. |
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## π Acknowledgments |
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- **NVIDIA** for the original prompt task and complexity classifier |
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- **Microsoft** for ONNX Runtime quantization framework |
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- **Hugging Face** for Optimum and Transformers libraries |
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- **Poetry** for modern Python dependency management |
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## π Support |
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- π [Documentation](https://huggingface.co/nvidia/prompt-task-and-complexity-classifier) |
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- π [Issues](https://github.com/your-org/prompt-task-complexity-classifier-quantized/issues) |
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- π¬ [Discussions](https://github.com/your-org/prompt-task-complexity-classifier-quantized/discussions) |
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- π [Original Model](https://huggingface.co/nvidia/prompt-task-and-complexity-classifier) |
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--- |
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**Ready to supercharge your prompt classification? π** |
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```bash |
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cd prompt-task-complexity-classifier-quantized |
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poetry install |
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poetry run prompt-classifier quantize |
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``` |