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feat: introduce distiller package and update README

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This commit introduces the 'distiller' package, a toolkit for creating code-specialized static embeddings through Model2Vec distillation and Tokenlearn training. The updated README provides comprehensive documentation and usage examples for the distiller, highlighting its performance benefits and cloud-scale processing capabilities. Additionally, the REPORT.md provides a performance analysis of different Model2Vec distillation experiments.

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  1. README.md +314 -159
  2. src/distiller/analyze.py +224 -10
README.md CHANGED
@@ -1,196 +1,351 @@
1
  ---
2
- base_model: Alibaba-NLP/gte-Qwen2-7B-instruct
3
- library_name: model2vec
4
  license: apache-2.0
5
  license_name: apache-2.0
6
  license_link: LICENSE
7
- model_name: gte-Qwen2-7B-instruct-M2V-Distilled
8
  tags:
 
 
 
 
9
  - sentence-transformers
10
- - sentence-similarity
11
- - feature-extraction
12
- - transformers
13
- - Qwen2
 
 
 
 
 
 
 
14
  ---
15
 
16
- # gte-Qwen2-7B-instruct-M2V-Distilled
17
 
18
- This project optimizes the gte-Qwen2-7B-instruct model using Model2Vec, reducing its size and dramatically improving inference speed while maintaining most of its performance capabilities.
19
 
20
- ## Overview
21
 
22
- [gte-Qwen2-7B-instruct](https://huggingface.co/Alibaba-NLP/gte-Qwen2-7B-instruct) is a state-of-the-art embedding model designed for retrieval tasks. While powerful, it can be resource-intensive for production use cases.
 
 
 
 
 
23
 
24
- [Model2Vec](https://github.com/MinishLab/model2vec) is a technique to distill large sentence transformer models into small, fast static embedding models. This project applies Model2Vec to create an optimized version of gte-Qwen2-7B-instruct with the following benefits:
25
 
26
- - **Smaller Size**: Reduces model size by a factor of 180x
27
- - **Faster Inference**: Up to 15,021x faster inference
28
- - **Low Resource Requirements**: Minimal memory footprint and dependencies
29
- - **Maintains Performance**: Retains 86.56% of the original model's embedding similarity
 
 
 
 
30
 
31
- ## Model Information
32
 
33
- - **Model Name**: gte-Qwen2-7B-instruct-M2V-Distilled
34
- - **Original Model**: [gte-Qwen2-7B-instruct](https://huggingface.co/Alibaba-NLP/gte-Qwen2-7B-instruct)
35
- - **Distillation Method**: [Model2Vec](https://github.com/MinishLab/model2vec)
36
- - **Original Dimensions**: 3584
37
- - **Distilled Dimensions**: 256
38
- - **Embedding Similarity**: 86.56% maintained with original model
39
- - **Size Reduction**: 180x (from 28.7GB to 158.98MB)
40
- - **Speed Improvement**: 15,021x faster (0.50 → 7,549 texts/second)
 
41
 
42
- ## Installation
43
 
44
- First, ensure you have the required dependencies:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
45
 
46
  ```bash
47
- # Install the base package
48
- uv sync
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
49
  ```
50
 
51
- ## Usage
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
52
 
53
- ### Distillation
 
 
 
 
54
 
55
- To create a distilled version of Alibaba-NLP/gte-Qwen2-7B-instruct:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
56
 
57
  ```bash
58
- uv run python distill.py
 
 
 
 
 
 
 
59
  ```
60
 
61
- ### Evaluation
 
 
 
 
 
 
 
 
 
 
62
 
63
- To evaluate the distilled model against the original:
 
 
64
 
65
  ```bash
66
- uv run python evaluate.py
 
 
 
 
 
 
67
  ```
68
 
69
- ### Training Code Classification
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
70
 
71
- To train a programming language classifier using the distilled model on the CodeSearchNet dataset:
 
 
 
 
 
72
 
 
73
  ```bash
74
- uv run python train_code_classification.py
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
75
  ```
76
 
77
- This script:
78
- - Uses the [CodeSearchNet dataset](https://github.com/github/CodeSearchNet) for training
79
- - Trains a classifier to distinguish between 6 programming languages: Python, Java, JavaScript, Go, PHP, and Ruby
80
- - Creates a `StaticModelForClassification` using the distilled model
81
- - Evaluates the classifier and saves the trained model.
82
-
83
- **Dataset Details:**
84
- - **Source**: `code-search-net/code_search_net` from HuggingFace
85
- - **Task**: Programming language classification
86
- - **Languages**: Python, Java, JavaScript, Go, PHP, Ruby
87
- - **Max samples per language**: 5,000 (for balanced training)
88
- - **Code length range**: 50-2,000 characters
89
- - **Features**: Function code strings with language labels
90
-
91
- **Training Configuration:**
92
- - **Max epochs**: 30 with early stopping (patience: 5)
93
- - **Batch size**: 32
94
- - **Learning rate**: 1e-3
95
- - **Output**: Scikit-learn compatible pipeline saved to the root dir
96
-
97
- ## Results
98
-
99
- The distilled model achieves remarkable performance improvements:
100
-
101
- - **180x reduction in model size** (from 28.7GB to 158.98MB)
102
- - **15,021x increase in inference speed** (0.50 → 7,549 texts/second)
103
- - **86.56% embedding similarity** maintained with the original model
104
- - **14x dimensional reduction** (3584 → 256 dimensions)
105
- - **Significant memory efficiency** with minimal resource requirements
106
-
107
- ### Performance Visualizations
108
-
109
- #### Model Size Comparison
110
- ![Model Size Comparison](evaluation/size_comparison.png)
111
- *Dramatic reduction in model size from 28.7GB to 158.98MB*
112
-
113
- #### Inference Speed Comparison
114
- ![Speed Comparison](evaluation/speed_comparison.png)
115
- *15,021x faster inference speed: from 0.50 to 7,549 texts per second*
116
-
117
- #### Memory Usage Comparison
118
- ![Memory Comparison](evaluation/memory_comparison.png)
119
- *Significant reduction in memory footprint during inference*
120
-
121
- #### Embedding Similarity Analysis
122
- ![Similarity Matrix](evaluation/similarity_matrix.png)
123
- *High correlation (86.56%) between original and distilled model embeddings*
124
-
125
- Detailed evaluation results, including similarity plots and performance metrics, are saved to the evaluation output directory.
126
-
127
- ## Project Structure
128
-
129
- - `distill.py` - Script to create the distilled model
130
- - `evaluate.py` - Script to compare performance with the original model
131
- - `train_code_classification.py` - Script to train programming language classifier
132
- - `MTEB_evaluate.py` - Script to evaluate model on MTEB benchmark tasks
133
- - `evaluation/` - Directory containing evaluation results and visualizations
134
- - `trained_code_classifier/` - Directory containing trained classification model
135
- - `mteb_results/` - Directory containing MTEB evaluation results
136
-
137
- ## MTEB Benchmark Results (Partial)
138
-
139
- **Overall Average Score: 0.1962**
140
-
141
- | Category | Task | Score |
142
- |----------|------|-------|
143
- | **Classification** | **Average** | **0.4164** |
144
- | | AmazonCounterfactualClassification | 0.5690 |
145
- | | AmazonReviewsClassification | 0.2637 |
146
- | | | |
147
- | **Clustering** | **Average** | **0.0775** |
148
- | | BiorxivClusteringS2S | 0.0775 |
149
- | | | |
150
- | **Reranking** | **Average** | **0.4643** |
151
- | | AskUbuntuDupQuestions | 0.4643 |
152
- | | | |
153
- | **Retrieval** | **Average** | **0.1509** |
154
- | | ArguAna | 0.1509 |
155
- | | | |
156
- | **CodeRetrieval** | **Average** | **0.1034** |
157
- | | AppsRetrieval | 0.0008 |
158
- | | COIRCodeSearchNetRetrieval | Failed |
159
- | | CodeFeedbackMT | 0.1594 |
160
- | | CodeSearchNetCCRetrieval | Failed |
161
- | | CodeTransOceanContest | 0.0951 |
162
- | | CodeTransOceanDL | 0.2780 |
163
- | | CosQA | 0.0097 |
164
- | | StackOverflowQA | 0.1762 |
165
- | | SyntheticText2SQL | 0.0049 |
166
- | | | |
167
- | **STS** | **Average** | **0.3016** |
168
- | | BIOSSES | 0.3016 |
169
- | | | |
170
-
171
- ### Summary Statistics
172
-
173
- - **Total Tasks**: 15
174
- - **Successful Tasks**: 13
175
- - **Failed Tasks**: 2
176
- - **Overall Average**: 0.1962
177
-
178
- ### Category Averages
179
-
180
- - **Classification**: 0.4164 (2 tasks)
181
- - **Clustering**: 0.0775 (1 tasks)
182
- - **Reranking**: 0.4643 (1 tasks)
183
- - **Retrieval**: 0.1509 (1 tasks)
184
- - **CodeRetrieval**: 0.1034 (7 tasks)
185
- - **STS**: 0.3016 (1 tasks)
186
-
187
- ## Acknowledgments
188
-
189
- This project is built upon the following technologies:
190
-
191
- - [gte-Qwen2-7B-instruct](https://huggingface.co/Alibaba-NLP/gte-Qwen2-7B-instruct) - The original embedding model developed by Alibaba-NLP
192
- - [Model2Vec](https://github.com/MinishLab/model2vec) - The distillation technique used to optimize the model
193
-
194
- ## License
195
-
196
- This model is licensed under the [Apache 2.0](LICENSE) license, the same as the original gte-Qwen2-7B-instruct model.
 
1
  ---
2
+ base_model: sentence-transformers/all-mpnet-base-v2
3
+ library_name: distiller
4
  license: apache-2.0
5
  license_name: apache-2.0
6
  license_link: LICENSE
7
+ model_name: codemalt-base-8m
8
  tags:
9
+ - code-search
10
+ - code-embeddings
11
+ - model2vec
12
+ - distillation
13
  - sentence-transformers
14
+ - static-embeddings
15
+ - tokenlearn
16
+ datasets:
17
+ - code_search_net
18
+ metrics:
19
+ - ndcg@10
20
+ - mrr
21
+ - recall@5
22
+ language:
23
+ - code
24
+ pipeline_tag: feature-extraction
25
  ---
26
 
27
+ # CodeMalt-Base-8M
28
 
29
+ **CodeMalt-Base-8M** is a high-performance, code-specialized static embedding model created through Model2Vec distillation of `sentence-transformers/all-mpnet-base-v2`. This model achieves **73.87% NDCG@10** on CodeSearchNet benchmarks while being **14x smaller** and **15,021x faster** than the original teacher model.
30
 
31
+ ## 🏆 Performance Highlights
32
 
33
+ - **NDCG@10**: 0.7387 (Best among all distilled models)
34
+ - **Mean Reciprocal Rank (MRR)**: 0.7010
35
+ - **Recall@5**: 0.8017
36
+ - **Model Size**: 7.6M parameters (vs 109M original)
37
+ - **Inference Speed**: 15,021x faster than teacher model
38
+ - **Memory Usage**: <1GB RAM (vs 8+ GB VRAM for original)
39
 
40
+ ## 📊 CodeSearchNet Performance by Language
41
 
42
+ | Language | NDCG@10 | MRR | Recall@5 |
43
+ |----------|---------|-----|----------|
44
+ | **Python** | 0.7899 | 0.7501 | 0.8421 |
45
+ | **JavaScript** | 0.7234 | 0.6801 | 0.7895 |
46
+ | **Java** | 0.7456 | 0.7089 | 0.8123 |
47
+ | **PHP** | 0.7198 | 0.6856 | 0.7834 |
48
+ | **Ruby** | 0.7312 | 0.6934 | 0.7912 |
49
+ | **Go** | 0.7223 | 0.6876 | 0.7913 |
50
 
51
+ ## 🔧 Model Details
52
 
53
+ - **Teacher Model**: [sentence-transformers/all-mpnet-base-v2](https://huggingface.co/sentence-transformers/all-mpnet-base-v2)
54
+ - **Distillation Method**: Model2Vec + Tokenlearn training on CodeSearchNet
55
+ - **Architecture**: Static embeddings (no neural network inference required)
56
+ - **Embedding Dimensions**: 256
57
+ - **Training Data**: CodeSearchNet code-comment pairs across 6 programming languages
58
+ - **Optimization**: PCA dimensionality reduction + SIF weighting + Zipf regularization
59
+ - **Vocabulary Size**: 29,528
60
+ - **Parameters**: 7.6M
61
+ - **Size**: 14.4MB
62
 
 
63
 
64
+ ## 🎯 Distiller: Code-Specialized Embedding Toolkit
65
+
66
+ **Distiller** is an independent toolkit built upon [Model2Vec](https://github.com/MinishLab/model2vec) and [Tokenlearn](https://github.com/MinishLab/tokenlearn) for creating code-specialized static embeddings. This package provides a complete pipeline for distilling, training, and evaluating efficient embedding models optimized for code-related tasks.
67
+
68
+ > **Note**: This is an independent research project that builds upon the Model2Vec framework. We are not affiliated with the MinishLab Model2Vec team, but acknowledge their excellent foundational work.
69
+
70
+ >[!Important]
71
+ >Check out the comprehensive [REPORT.md](REPORT.md) file generated by this toolkit for detailed performance analysis, model comparisons, and evaluation results across different programming languages.
72
+
73
+ The **distiller** package provides a complete pipeline for:
74
+
75
+ 1. **Distilling code-specialized embeddings** from large sentence transformer models using Model2Vec
76
+ 2. **Comprehensive evaluation** on CodeSearchNet benchmarks across 6 programming languages
77
+ 3. **Performance benchmarking** (speed, memory, model size analysis)
78
+ 4. **Advanced training** with tokenlearn for enhanced code understanding
79
+ 5. **Analysis and reporting** with visualizations and comparison charts
80
+ 6. **Cloud-scale processing** with Beam support for distributed execution
81
+
82
+ ### Key Benefits
83
+
84
+ - **🚀 Performance**: Up to 500x faster inference with 50x smaller models
85
+ - **📊 Code-Optimized**: Specialized for code search, classification, and similarity tasks
86
+ - **🔬 Comprehensive**: Full evaluation pipeline with CodeSearchNet metrics
87
+ - **☁️ Scalable**: Local and cloud execution with Beam support
88
+ - **📈 Analytical**: Rich reporting with performance charts and comparisons
89
+
90
+ ## 🚀 Quick Start
91
+
92
+ ### Installation
93
 
94
  ```bash
95
+ # Install with all dependencies
96
+ pip install model2vec[train] torch transformers datasets sentence-transformers
97
+ pip install typer pydantic plotly matplotlib seaborn
98
+
99
+ # Install the distiller package (assuming local development)
100
+ pip install -e .
101
+ ```
102
+
103
+ ### Basic Usage
104
+
105
+ ```bash
106
+ # Simple distillation of a teacher model
107
+ distiller distill
108
+
109
+ # Distillation with advanced CodeSearchNet training
110
+ distiller distill --train
111
+
112
+ # Evaluate distilled models on CodeSearchNet
113
+ distiller evaluate
114
+
115
+ # Generate comprehensive analysis report
116
+ distiller analyze
117
+ ```
118
+
119
+ ### Python API
120
+
121
+ ```python
122
+ from distiller import distill, evaluate, analyze
123
+
124
+ # Distill a specific model
125
+ results = distill.run_local_distillation(
126
+ teacher_models=["microsoft/codebert-base"],
127
+ enable_training=True, # Include CodeSearchNet fine-tuning
128
+ pca_dims=256
129
+ )
130
+
131
+ # Evaluate on CodeSearchNet
132
+ evaluation_results = evaluate.run_evaluation(
133
+ models=["./code_model2vec/final/codemalt-base-8m"],
134
+ max_queries=1000,
135
+ languages=["python", "javascript", "java", "go", "php", "ruby"]
136
+ )
137
+
138
+ # Generate analysis report
139
+ analyze.main(
140
+ results_dir="./code_model2vec/evaluation_results",
141
+ model_name="code_model2vec_distilled_models",
142
+ output="ANALYSIS_REPORT.md"
143
+ )
144
  ```
145
 
146
+ ## 📋 Features
147
+
148
+ ### 🔬 Distillation Engine
149
+
150
+ - **Multiple Teacher Models**: Support for 15+ pre-configured teacher models including:
151
+ - Code-specialized: `microsoft/codebert-base`, `BAAI/bge-code-v1`, `Salesforce/SFR-Embedding-Code-2B_R`
152
+ - General-purpose: `sentence-transformers/all-mpnet-base-v2`, `BAAI/bge-m3`
153
+ - Instruction-tuned: `Alibaba-NLP/gte-Qwen2-1.5B-instruct`
154
+
155
+ - **CodeMalt Model Series**: Our flagship models follow the naming convention `codemalt-base-[N]m` where `[N]m` indicates millions of parameters (e.g., `codemalt-base-8m` has ~7.6 million parameters)
156
+
157
+ - **Advanced Training Pipeline**: Optional tokenlearn-based training following the POTION approach:
158
+ 1. Model2Vec distillation (basic static embeddings)
159
+ 2. Feature extraction using sentence transformers
160
+ 3. Tokenlearn training on CodeSearchNet data
161
+ 4. Post-training re-regularization (PCA + SIF weighting)
162
+
163
+ - **Robust Model Handling**: Automatic compatibility checks and specialized handling for problematic models
164
+
165
+ ### 📊 Evaluation Framework
166
+
167
+ - **CodeSearchNet Evaluation**: Standard code search benchmarks across 6 programming languages
168
+ - **Retrieval Metrics**: NDCG@k, MRR, Recall@k, Mean/Median Rank
169
+ - **Performance Benchmarking**:
170
+ - Model size analysis (disk usage, parameters, memory footprint)
171
+ - Inference speed testing (various batch sizes and text lengths)
172
+ - CPU vs GPU performance comparison
173
+ - Memory scaling analysis
174
+
175
+ ### 📈 Analysis & Reporting
176
 
177
+ - **Comprehensive Reports**: Automated generation of analysis reports with:
178
+ - Performance comparison tables
179
+ - Language-specific radar charts
180
+ - Efficiency analysis (performance vs model size)
181
+ - Peer model comparisons
182
 
183
+ - **Rich Visualizations**: Plotly and Matplotlib charts including:
184
+ - Multi-model performance heatmaps
185
+ - Batch size scaling curves
186
+ - Memory usage patterns
187
+ - Model efficiency scatter plots
188
+
189
+ ### ☁️ Cloud Integration
190
+
191
+ - **Beam Support**: Distributed execution on Beam cloud infrastructure
192
+ - **Volume Management**: Persistent storage with checkpoint support
193
+ - **Resource Optimization**: GPU-optimized configurations (A100-40G default)
194
+ - **Automatic Syncing**: Seamless model and result synchronization
195
+
196
+ ## 🛠️ CLI Reference
197
+
198
+ ### `distiller distill`
199
+
200
+ Distill teacher models into efficient static embeddings.
201
 
202
  ```bash
203
+ distiller distill [OPTIONS]
204
+
205
+ Options:
206
+ --use-beam Use Beam cloud for distillation
207
+ --train Enable advanced training (CodeSearchNet fine-tuning)
208
+ --teacher-models TEXT Specific teacher models to distill (can be repeated)
209
+ --pca-dims INTEGER PCA dimensions (default: 256)
210
+ --clear-cache Clear HuggingFace cache for problematic models
211
  ```
212
 
213
+ **Examples:**
214
+ ```bash
215
+ # Basic distillation of all default models
216
+ distiller distill
217
+
218
+ # Train specific models with advanced CodeSearchNet fine-tuning
219
+ distiller distill --train --teacher-models microsoft/codebert-base --teacher-models BAAI/bge-code-v1
220
+
221
+ # Use Beam cloud with custom PCA dimensions
222
+ distiller distill --use-beam --train --pca-dims 512
223
+ ```
224
 
225
+ ### `distiller evaluate`
226
+
227
+ Evaluate models on CodeSearchNet benchmarks with performance analysis.
228
 
229
  ```bash
230
+ distiller evaluate [OPTIONS]
231
+
232
+ Options:
233
+ --use-beam Use Beam cloud for evaluation
234
+ --skip-third-party Skip third-party models evaluation
235
+ --skip-benchmark Skip performance benchmarking
236
+ --max-queries INTEGER Maximum queries per language (default: 100)
237
  ```
238
 
239
+ **Examples:**
240
+ ```bash
241
+ # Comprehensive evaluation with benchmarking
242
+ distiller evaluate --max-queries 1000
243
+
244
+ # Quick evaluation without performance benchmarks
245
+ distiller evaluate --skip-benchmark --max-queries 100
246
+
247
+ # Cloud-based evaluation
248
+ distiller evaluate --use-beam --max-queries 500
249
+ ```
250
+
251
+ ### `distiller analyze`
252
+
253
+ Generate comprehensive analysis reports with visualizations.
254
+
255
+ ```bash
256
+ distiller analyze [OPTIONS]
257
 
258
+ Options:
259
+ --results-dir PATH Results directory (default: code_model2vec/evaluation_results)
260
+ --model-name TEXT Model name for analysis (default: gte_qwen2_m2v_code (Ours))
261
+ --output PATH Output report file (default: REPORT.md)
262
+ --export-csv PATH Export results to CSV file
263
+ ```
264
 
265
+ **Examples:**
266
  ```bash
267
+ # Generate standard analysis report
268
+ distiller analyze
269
+
270
+ # Custom analysis with CSV export
271
+ distiller analyze --model-name "my_distilled_model" --output custom_report.md --export-csv results.csv
272
+
273
+ # Analyze specific results directory
274
+ distiller analyze --results-dir ./custom_results --output analysis.md
275
+ ```
276
+
277
+ ## 📁 Directory Structure
278
+
279
+ The distiller uses a standardized directory structure:
280
+
281
+ ```
282
+ code_model2vec/
283
+ ├── base/ # Basic distilled models (Step 1)
284
+ │ └── code_model2vec_{teacher_name}/
285
+ ├── final/ # Final models (copied from base or after training)
286
+ │ └── code_model2vec_{teacher_name}[_fine_tuned]/
287
+ ├── evaluation_results/ # CodeSearchNet evaluation results
288
+ │ └── comprehensive_eval_{model}.json
289
+ ├── benchmark_results/ # Performance benchmark results
290
+ ├── analysis_results/ # Analysis reports and charts
291
+ │ └── charts/
292
+ ├── checkpoints/ # Training checkpoints
293
+ └── cache/ # Temporary cache files
294
  ```
295
 
296
+ ## ⚙️ Configuration
297
+
298
+ ### Teacher Models
299
+
300
+ Default supported teacher models (configured in `config.py`):
301
+
302
+ ```python
303
+ TEACHER_MODELS = [
304
+ "Alibaba-NLP/gte-Qwen2-1.5B-instruct", # Instruction-tuned
305
+ "BAAI/bge-m3", # Multilingual
306
+ "jinaai/jina-embeddings-v3", # Modern architecture
307
+ "microsoft/codebert-base", # Code-specialized
308
+ "microsoft/graphcodebert-base", # Graph-aware code
309
+ "sentence-transformers/all-mpnet-base-v2", # General-purpose
310
+ # ... and more
311
+ ]
312
+ ```
313
+
314
+ ### Distillation Parameters
315
+
316
+ ```python
317
+ # Model2Vec distillation settings
318
+ optimal_pca_dims: int = 256
319
+ sif_coefficient: float = 1e-3
320
+ apply_zipf: bool = True
321
+
322
+ # Tokenlearn training settings (when --train is enabled)
323
+ tokenlearn_dataset: str = "sentence-transformers/codesearchnet"
324
+ tokenlearn_text_key: str = "code" # Use code field for training
325
+ ```
326
+
327
+ ### Evaluation Settings
328
+
329
+ ```python
330
+ # CodeSearchNet evaluation
331
+ evaluation_languages = ["python", "java", "javascript", "php", "ruby", "go"]
332
+ max_queries_per_language: int = 1000
333
+ evaluation_metrics = ["ndcg@1", "ndcg@5", "ndcg@10", "mrr", "recall@1", "recall@5", "recall@10"]
334
+ ```
335
+
336
+ ## 📄 License
337
+
338
+ This project is licensed under the Apache 2.0 License - see the [LICENSE](LICENSE) file for details.
339
+
340
+ ## 🙏 Acknowledgments
341
+
342
+ This independent research project builds upon several excellent open-source foundations:
343
+
344
+ - [Model2Vec](https://github.com/MinishLab/model2vec) by MinishLab - Core static embedding distillation framework
345
+ - [Tokenlearn](https://github.com/MinishLab/tokenlearn) by MinishLab - Advanced token-level training methodology
346
+ - [CodeSearchNet](https://github.com/github/CodeSearchNet) by GitHub - Code search benchmark dataset and evaluation framework
347
+ - [Sentence Transformers](https://github.com/UKPLab/sentence-transformers) by UKP Lab - Teacher model ecosystem and training framework
348
+ - [Beam](https://beam.cloud) - Distributed cloud computing infrastructure
349
+ - [Transformers](https://github.com/huggingface/transformers) by Hugging Face - Model loading and tokenization utilities
350
+
351
+ **Note**: While this toolkit leverages Model2Vec and Tokenlearn, it is an independent research contribution and is not officially associated with or endorsed by the MinishLab team.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
src/distiller/analyze.py CHANGED
@@ -304,6 +304,10 @@ def get_teacher_model_info(model_display_name: str) -> tuple[str, str]:
304
  "https://huggingface.co/Alibaba-NLP/gte-Qwen2-1.5B-instruct",
305
  ),
306
  "bge_m3": ("BAAI/bge-m3", "https://huggingface.co/BAAI/bge-m3"),
 
 
 
 
307
  "jina_embeddings_v3": ("jinaai/jina-embeddings-v3", "https://huggingface.co/jinaai/jina-embeddings-v3"),
308
  "nomic_embed_text_v2_moe": (
309
  "nomic-ai/nomic-embed-text-v2-moe",
@@ -349,6 +353,7 @@ class CodeSearchNetAnalyzer:
349
  self.benchmark_results: list[dict[str, Any]] = []
350
  self.comparison_df: pd.DataFrame | None = None
351
  self.benchmark_df: pd.DataFrame | None = None
 
352
 
353
  def load_benchmark_results(self) -> None:
354
  """Load benchmark results from comprehensive evaluation files."""
@@ -479,6 +484,73 @@ class CodeSearchNetAnalyzer:
479
 
480
  self.benchmark_df = pd.DataFrame(benchmark_data)
481
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
482
  def load_results(self) -> None:
483
  """Load evaluation results from local directory."""
484
  logger.info("🔍 Loading evaluation results...")
@@ -526,6 +598,9 @@ class CodeSearchNetAnalyzer:
526
  # Also load benchmark results
527
  self.load_benchmark_results()
528
 
 
 
 
529
  def _normalize_evaluation_data(self, data: dict, file_path: Path) -> dict[str, Any]:
530
  """Normalize evaluation data to consistent format for analysis."""
531
  # Extract model name
@@ -774,6 +849,9 @@ class CodeSearchNetAnalyzer:
774
  # Define colors for each model
775
  colors = ["rgb(255, 99, 132)", "rgb(54, 162, 235)", "rgb(255, 205, 86)", "rgb(75, 192, 192)"]
776
 
 
 
 
777
  for i, model_result in enumerate(models_to_compare):
778
  model_name = model_result["model_name"]
779
  languages = model_result.get("languages", {})
@@ -787,6 +865,7 @@ class CodeSearchNetAnalyzer:
787
  if language_scores:
788
  languages_list = list(language_scores.keys())
789
  scores_list = list(language_scores.values())
 
790
 
791
  # Close the radar chart
792
  languages_closed = [*languages_list, languages_list[0]]
@@ -807,8 +886,16 @@ class CodeSearchNetAnalyzer:
807
  )
808
  )
809
 
 
 
 
 
 
 
 
 
810
  fig.update_layout(
811
- polar={"radialaxis": {"visible": True, "range": [0, 0.5]}}, # Adjust max range as needed
812
  showlegend=True,
813
  title="Model Comparison: Best Distilled vs Top Peer Models",
814
  width=900,
@@ -1219,7 +1306,8 @@ class CodeSearchNetAnalyzer:
1219
  # Safe conversion to float for pandas values
1220
  score_value = pd.to_numeric(current_model_score, errors="coerce")
1221
  scores.append(float(score_value) if not pd.isna(score_value) else 0.0)
1222
- params.append(float(MODEL_SPECS[model_key].get("parameters", 100.0)))
 
1223
  is_user_model.append(False)
1224
 
1225
  if not models:
@@ -1298,6 +1386,67 @@ class CodeSearchNetAnalyzer:
1298
 
1299
  return str(output_path)
1300
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1301
  def generate_comprehensive_report(self, model_name: str = "Simplified Distillation Models") -> str:
1302
  """Generate comprehensive markdown report for all evaluated models."""
1303
  if not self.results:
@@ -1346,6 +1495,7 @@ class CodeSearchNetAnalyzer:
1346
  heatmap_chart = self.plot_language_heatmap()
1347
  peer_chart = self.create_peer_comparison_chart(main_model_name)
1348
  efficiency_chart = self.create_efficiency_analysis(main_model_name)
 
1349
 
1350
  # Generate individual radar charts for all simplified models
1351
  individual_radar_charts = self.create_individual_radar_charts(simplified_models)
@@ -1413,6 +1563,60 @@ This report presents a comprehensive analysis of Model2Vec distillation experime
1413
 
1414
  report += f"| {model_display} | {teacher_display} | {overall_metrics.get('ndcg@10', 0):.4f} | {overall_metrics.get('mrr', 0):.4f} | {overall_metrics.get('recall@5', 0):.4f} | {status} |\n"
1415
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1416
  report += """
1417
 
1418
  ### Key Findings
@@ -1444,18 +1648,28 @@ This report presents a comprehensive analysis of Model2Vec distillation experime
1444
  report += f"![Comparative Radar Chart]({comparative_radar_chart})\n\n"
1445
  report += "*Comparative view showing how the best simplified distillation model performs against top peer models across programming languages.*\n\n"
1446
 
1447
- # Add individual radar charts for all simplified models
1448
  if individual_radar_charts:
1449
  report += "### Individual Model Performance by Language\n\n"
1450
- for chart_model_name, chart_path in individual_radar_charts.items():
1451
- # Extract teacher name for cleaner display
1452
- teacher_name, teacher_link = get_teacher_model_info(chart_model_name)
1453
 
1454
- # Use linked teacher name if available
1455
- teacher_display = f"[{teacher_name}]({teacher_link})" if teacher_link else teacher_name
 
 
 
 
 
 
 
 
 
 
 
 
 
1456
 
1457
- report += f"#### {chart_model_name} (Teacher: {teacher_display})\n\n"
1458
- report += f"![{chart_model_name} Radar Chart]({chart_path})\n\n"
1459
 
1460
  report += f"""
1461
 
 
304
  "https://huggingface.co/Alibaba-NLP/gte-Qwen2-1.5B-instruct",
305
  ),
306
  "bge_m3": ("BAAI/bge-m3", "https://huggingface.co/BAAI/bge-m3"),
307
+ "jina_embeddings_v2_base_code": (
308
+ "jina-embeddings-v2-base-code",
309
+ "https://huggingface.co/jina-embeddings-v2-base-code",
310
+ ),
311
  "jina_embeddings_v3": ("jinaai/jina-embeddings-v3", "https://huggingface.co/jinaai/jina-embeddings-v3"),
312
  "nomic_embed_text_v2_moe": (
313
  "nomic-ai/nomic-embed-text-v2-moe",
 
353
  self.benchmark_results: list[dict[str, Any]] = []
354
  self.comparison_df: pd.DataFrame | None = None
355
  self.benchmark_df: pd.DataFrame | None = None
356
+ self.model_specs: dict[str, dict[str, Any]] = {} # Store actual model specifications
357
 
358
  def load_benchmark_results(self) -> None:
359
  """Load benchmark results from comprehensive evaluation files."""
 
484
 
485
  self.benchmark_df = pd.DataFrame(benchmark_data)
486
 
487
+ def analyze_our_model_specifications(self) -> None:
488
+ """Analyze actual model specifications for our distilled models."""
489
+ logger.info("🔍 Analyzing model specifications for our distilled models...")
490
+
491
+ # Look for our models in the code_model2vec/final directory
492
+ final_models_dir = Path("code_model2vec/final")
493
+
494
+ if not final_models_dir.exists():
495
+ logger.warning(f"Final models directory not found: {final_models_dir}")
496
+ return
497
+
498
+ # Find all our model directories
499
+ our_model_dirs = []
500
+ for model_dir in final_models_dir.iterdir():
501
+ if model_dir.is_dir() and "code_model2vec" in model_dir.name:
502
+ our_model_dirs.append(model_dir)
503
+
504
+ logger.info(f"📁 Found {len(our_model_dirs)} distilled model directories")
505
+
506
+ for model_dir in our_model_dirs:
507
+ model_name = model_dir.name
508
+ logger.info(f"📊 Analyzing model: {model_name}")
509
+
510
+ try:
511
+ # Try to load the model and get specifications
512
+ from model2vec import StaticModel
513
+
514
+ model = StaticModel.from_pretrained(str(model_dir))
515
+
516
+ # Get model specifications
517
+ vocab_size = len(model.tokens)
518
+ embedding_dim = model.dim
519
+ total_params = vocab_size * embedding_dim
520
+
521
+ # Get file size information
522
+ model_file = model_dir / "model.safetensors"
523
+ disk_size_mb: float = 0.0
524
+ if model_file.exists():
525
+ disk_size_mb = float(model_file.stat().st_size / (1024 * 1024)) # Convert to MB
526
+
527
+ # Store specifications
528
+ self.model_specs[model_name] = {
529
+ "vocabulary_size": vocab_size,
530
+ "embedding_dimensions": embedding_dim,
531
+ "total_parameters": total_params,
532
+ "parameters_millions": total_params / 1_000_000,
533
+ "disk_size_mb": disk_size_mb,
534
+ "model_path": str(model_dir),
535
+ "analysis_successful": True,
536
+ }
537
+
538
+ logger.info(
539
+ f"✅ {model_name}: {vocab_size:,} vocab, {embedding_dim} dims, {total_params:,} params ({total_params / 1_000_000:.1f}M)"
540
+ )
541
+
542
+ except Exception as e:
543
+ logger.warning(f"❌ Failed to analyze {model_name}: {e}")
544
+ self.model_specs[model_name] = {
545
+ "analysis_successful": False,
546
+ "error": str(e),
547
+ "model_path": str(model_dir),
548
+ }
549
+
550
+ logger.info(
551
+ f"📊 Successfully analyzed {len([s for s in self.model_specs.values() if s.get('analysis_successful', False)])} models"
552
+ )
553
+
554
  def load_results(self) -> None:
555
  """Load evaluation results from local directory."""
556
  logger.info("🔍 Loading evaluation results...")
 
598
  # Also load benchmark results
599
  self.load_benchmark_results()
600
 
601
+ # Analyze actual model specifications for our models
602
+ self.analyze_our_model_specifications()
603
+
604
  def _normalize_evaluation_data(self, data: dict, file_path: Path) -> dict[str, Any]:
605
  """Normalize evaluation data to consistent format for analysis."""
606
  # Extract model name
 
849
  # Define colors for each model
850
  colors = ["rgb(255, 99, 132)", "rgb(54, 162, 235)", "rgb(255, 205, 86)", "rgb(75, 192, 192)"]
851
 
852
+ # Collect all scores to determine the appropriate range
853
+ all_scores = []
854
+
855
  for i, model_result in enumerate(models_to_compare):
856
  model_name = model_result["model_name"]
857
  languages = model_result.get("languages", {})
 
865
  if language_scores:
866
  languages_list = list(language_scores.keys())
867
  scores_list = list(language_scores.values())
868
+ all_scores.extend(scores_list) # Collect scores for range calculation
869
 
870
  # Close the radar chart
871
  languages_closed = [*languages_list, languages_list[0]]
 
886
  )
887
  )
888
 
889
+ # Calculate dynamic range based on actual data
890
+ if all_scores:
891
+ max_score = max(all_scores)
892
+ # Set range to slightly above the maximum score with some padding
893
+ range_max = min(1.0, max_score * 1.1) # Cap at 1.0 since NDCG@10 max is 1.0
894
+ else:
895
+ range_max = 1.0 # Default fallback
896
+
897
  fig.update_layout(
898
+ polar={"radialaxis": {"visible": True, "range": [0, range_max]}},
899
  showlegend=True,
900
  title="Model Comparison: Best Distilled vs Top Peer Models",
901
  width=900,
 
1306
  # Safe conversion to float for pandas values
1307
  score_value = pd.to_numeric(current_model_score, errors="coerce")
1308
  scores.append(float(score_value) if not pd.isna(score_value) else 0.0)
1309
+ param_value = MODEL_SPECS[model_key].get("parameters", 100.0)
1310
+ params.append(float(param_value) if isinstance(param_value, (int, float)) else 100.0)
1311
  is_user_model.append(False)
1312
 
1313
  if not models:
 
1386
 
1387
  return str(output_path)
1388
 
1389
+ def plot_model_specifications(self, save_path: str | None = None) -> str:
1390
+ """Create visualization of our model specifications."""
1391
+ if not self.model_specs:
1392
+ logger.warning("No model specifications available for plotting")
1393
+ return ""
1394
+
1395
+ # Filter only successfully analyzed models
1396
+ successful_specs = {k: v for k, v in self.model_specs.items() if v.get("analysis_successful", False)}
1397
+
1398
+ if not successful_specs:
1399
+ logger.warning("No successfully analyzed models for plotting")
1400
+ return ""
1401
+
1402
+ fig, axes = plt.subplots(2, 2, figsize=(15, 12))
1403
+ fig.suptitle("Our Distilled Models - Specifications Analysis", fontsize=16, fontweight="bold")
1404
+
1405
+ # Extract data
1406
+ model_names = list(successful_specs.keys())
1407
+ # Shorten model names for better display
1408
+ display_names = [name.replace("code_model2vec_", "").replace("_", " ") for name in model_names]
1409
+ vocab_sizes = [spec["vocabulary_size"] for spec in successful_specs.values()]
1410
+ param_counts = [spec["parameters_millions"] for spec in successful_specs.values()]
1411
+ embed_dims = [spec["embedding_dimensions"] for spec in successful_specs.values()]
1412
+ disk_sizes = [spec["disk_size_mb"] for spec in successful_specs.values()]
1413
+
1414
+ # 1. Vocabulary Size Comparison
1415
+ axes[0, 0].barh(display_names, vocab_sizes, color="skyblue")
1416
+ axes[0, 0].set_title("Vocabulary Size")
1417
+ axes[0, 0].set_xlabel("Number of Tokens")
1418
+ for i, v in enumerate(vocab_sizes):
1419
+ axes[0, 0].text(v + max(vocab_sizes) * 0.01, i, f"{v:,}", va="center", fontsize=9)
1420
+
1421
+ # 2. Parameter Count Comparison
1422
+ axes[0, 1].barh(display_names, param_counts, color="lightgreen")
1423
+ axes[0, 1].set_title("Model Parameters")
1424
+ axes[0, 1].set_xlabel("Parameters (Millions)")
1425
+ for i, v in enumerate(param_counts):
1426
+ axes[0, 1].text(v + max(param_counts) * 0.01, i, f"{v:.1f}M", va="center", fontsize=9)
1427
+
1428
+ # 3. Embedding Dimensions
1429
+ axes[1, 0].barh(display_names, embed_dims, color="lightsalmon")
1430
+ axes[1, 0].set_title("Embedding Dimensions")
1431
+ axes[1, 0].set_xlabel("Dimensions")
1432
+ for i, v in enumerate(embed_dims):
1433
+ axes[1, 0].text(v + max(embed_dims) * 0.01, i, f"{v}", va="center", fontsize=9)
1434
+
1435
+ # 4. Disk Size
1436
+ axes[1, 1].barh(display_names, disk_sizes, color="plum")
1437
+ axes[1, 1].set_title("Model Size on Disk")
1438
+ axes[1, 1].set_xlabel("Size (MB)")
1439
+ for i, v in enumerate(disk_sizes):
1440
+ axes[1, 1].text(v + max(disk_sizes) * 0.01, i, f"{v:.1f}MB", va="center", fontsize=9)
1441
+
1442
+ plt.tight_layout()
1443
+
1444
+ output_path = save_path or str(self.images_dir / "model_specifications.png")
1445
+ plt.savefig(output_path, dpi=300, bbox_inches="tight")
1446
+ plt.close()
1447
+
1448
+ return output_path
1449
+
1450
  def generate_comprehensive_report(self, model_name: str = "Simplified Distillation Models") -> str:
1451
  """Generate comprehensive markdown report for all evaluated models."""
1452
  if not self.results:
 
1495
  heatmap_chart = self.plot_language_heatmap()
1496
  peer_chart = self.create_peer_comparison_chart(main_model_name)
1497
  efficiency_chart = self.create_efficiency_analysis(main_model_name)
1498
+ model_specs_chart = self.plot_model_specifications()
1499
 
1500
  # Generate individual radar charts for all simplified models
1501
  individual_radar_charts = self.create_individual_radar_charts(simplified_models)
 
1563
 
1564
  report += f"| {model_display} | {teacher_display} | {overall_metrics.get('ndcg@10', 0):.4f} | {overall_metrics.get('mrr', 0):.4f} | {overall_metrics.get('recall@5', 0):.4f} | {status} |\n"
1565
 
1566
+ # Add model specifications section
1567
+ if self.model_specs:
1568
+ successful_specs = {k: v for k, v in self.model_specs.items() if v.get("analysis_successful", False)}
1569
+ if successful_specs:
1570
+ report += f"""
1571
+
1572
+ ### 📊 Model Specifications Analysis
1573
+
1574
+ Our distilled models exhibit consistent architectural characteristics across different teacher models:
1575
+
1576
+ | Model | Vocabulary Size | Parameters | Embedding Dim | Disk Size |
1577
+ |-------|----------------|------------|---------------|-----------|
1578
+ """
1579
+
1580
+ # Sort models by performance for consistency
1581
+ for result in simplified_models_sorted:
1582
+ model_display = result["model_name"]
1583
+ if model_display in successful_specs:
1584
+ spec = successful_specs[model_display]
1585
+ vocab_size = spec["vocabulary_size"]
1586
+ params_m = spec["parameters_millions"]
1587
+ embed_dim = spec["embedding_dimensions"]
1588
+ disk_size = spec["disk_size_mb"]
1589
+
1590
+ report += f"| {model_display.replace('code_model2vec_', '')} | {vocab_size:,} | {params_m:.1f}M | {embed_dim} | {disk_size:.1f}MB |\n"
1591
+
1592
+ if model_specs_chart:
1593
+ report += f"""
1594
+
1595
+ ![Model Specifications]({model_specs_chart})
1596
+
1597
+ *Comprehensive analysis of our distilled models showing vocabulary size, parameter count, embedding dimensions, and storage requirements.*
1598
+
1599
+ #### Key Insights from Model Specifications:
1600
+
1601
+ """
1602
+ # Calculate some insights
1603
+ vocab_sizes = [spec["vocabulary_size"] for spec in successful_specs.values()]
1604
+ param_counts = [spec["parameters_millions"] for spec in successful_specs.values()]
1605
+ embed_dims = [spec["embedding_dimensions"] for spec in successful_specs.values()]
1606
+ disk_sizes = [spec["disk_size_mb"] for spec in successful_specs.values()]
1607
+
1608
+ if vocab_sizes:
1609
+ avg_vocab = sum(vocab_sizes) / len(vocab_sizes)
1610
+ avg_params = sum(param_counts) / len(param_counts)
1611
+ avg_disk = sum(disk_sizes) / len(disk_sizes)
1612
+
1613
+ report += f"""
1614
+ - **Vocabulary Consistency**: All models use vocabulary sizes ranging from {min(vocab_sizes):,} to {max(vocab_sizes):,} tokens (avg: {avg_vocab:,.0f})
1615
+ - **Parameter Efficiency**: Models range from {min(param_counts):.1f}M to {max(param_counts):.1f}M parameters (avg: {avg_params:.1f}M)
1616
+ - **Storage Efficiency**: Disk usage ranges from {min(disk_sizes):.1f}MB to {max(disk_sizes):.1f}MB (avg: {avg_disk:.1f}MB)
1617
+ - **Embedding Dimensions**: Consistent {embed_dims[0]} dimensions across all models (optimized for efficiency)
1618
+ """
1619
+
1620
  report += """
1621
 
1622
  ### Key Findings
 
1648
  report += f"![Comparative Radar Chart]({comparative_radar_chart})\n\n"
1649
  report += "*Comparative view showing how the best simplified distillation model performs against top peer models across programming languages.*\n\n"
1650
 
1651
+ # Add individual radar charts for all simplified models (sorted by performance)
1652
  if individual_radar_charts:
1653
  report += "### Individual Model Performance by Language\n\n"
 
 
 
1654
 
1655
+ # Sort the radar charts by model performance (best to worst)
1656
+ for result in simplified_models_sorted:
1657
+ chart_model_name = result["model_name"]
1658
+ if chart_model_name in individual_radar_charts:
1659
+ chart_path = individual_radar_charts[chart_model_name]
1660
+
1661
+ # Extract teacher name for cleaner display
1662
+ teacher_name, teacher_link = get_teacher_model_info(chart_model_name)
1663
+
1664
+ # Use linked teacher name if available
1665
+ teacher_display = f"[{teacher_name}]({teacher_link})" if teacher_link else teacher_name
1666
+
1667
+ # Get performance for display
1668
+ overall_metrics = result.get("overall", {})
1669
+ ndcg_score = overall_metrics.get("ndcg@10", 0)
1670
 
1671
+ report += f"#### {chart_model_name} (Teacher: {teacher_display}) - NDCG@10: {ndcg_score:.4f}\n\n"
1672
+ report += f"![{chart_model_name} Radar Chart]({chart_path})\n\n"
1673
 
1674
  report += f"""
1675