ruvllm 2.2.1

LLM serving runtime with Ruvector integration - Paged attention, KV cache, and SONA learning
Documentation
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# RuvLLM Training Module

Fine-tuning dataset generation for RuvLTRA models, focusing on Claude Flow agent task routing and model selection.

## SOTA Achievements (v2.3)

| Metric | Before | After | Method |
|--------|--------|-------|--------|
| **Hybrid Routing Accuracy** | 95% | **100%** | Keyword-First + Embedding Fallback |
| **Embedding-Only Accuracy** | 45% | **88.2%** | Contrastive Learning (Triplet + InfoNCE) |
| **Hard Negative Accuracy** | N/A | **81.2%** | Claude-Generated Confusing Pairs |
| **Agent Types Supported** | 13 | 13 | All Claude Code agent types |

### Training Data (v2.3 SOTA)

- **Base triplets**: 578 examples from Claude Code routing data
- **Claude-generated hard negatives**: 500+ high-quality confusing pairs
- **Total training set**: 1,078 triplets
- **Hard negative ratio**: 48.4% (up from 18%)

### Training Pipeline

```
┌──────────────────┐     ┌──────────────────┐     ┌──────────────────┐
│  Hard Negative   │────►│  Contrastive     │────►│  GRPO Feedback   │
│  Generation      │     │  Training        │     │  Loop            │
│  (Claude Opus)   │     │  (Candle/Metal)  │     │  (Claude Judge)  │
└──────────────────┘     └──────────────────┘     └──────────────────┘
                         ┌──────────────────┐
                         │  GGUF Export     │
                         │  (Adapter Merge) │
                         └──────────────────┘
```

## Overview

The training module generates synthetic datasets for fine-tuning RuvLTRA models on two key tasks:

1. **Agent Routing**: Classify tasks to appropriate Claude Flow agents (Coder, Researcher, Security, Architecture, Reviewer)
2. **Model Selection**: Route tasks to optimal Claude models (Haiku/Sonnet/Opus) based on complexity

## Real Contrastive Training (v2.3 - Production)

The `real_trainer` module provides production-grade training with actual Candle weight updates:

```rust
use ruvllm::training::{RealContrastiveTrainer, RealTrainingConfig, run_training_pipeline};
use std::path::PathBuf;

// Option 1: Full pipeline with GRPO feedback
#[tokio::main]
async fn main() -> Result<(), String> {
    run_training_pipeline(
        &PathBuf::from("~/.ruvllm/training/combined-sota.jsonl"),
        &PathBuf::from("ruvltra-claude-code-0.5b-q4_k_m.gguf"),
        &PathBuf::from("ruvltra-claude-code-sota.gguf"),
        Some(&std::env::var("ANTHROPIC_API_KEY").unwrap()), // For GRPO
    ).await
}

// Option 2: Manual training with fine-grained control
let config = RealTrainingConfig {
    model_path: PathBuf::from("ruvltra-claude-code-0.5b-q4_k_m.gguf"),
    output_path: PathBuf::from("ruvltra-claude-code-sota.gguf"),
    learning_rate: 2e-5,
    weight_decay: 0.01,
    batch_size: 16,
    epochs: 30,
    margin: 0.5,           // Triplet loss margin
    temperature: 0.07,     // InfoNCE temperature
    embedding_dim: 896,    // Qwen 0.5B embedding size
    use_metal: true,       // Apple Silicon GPU acceleration
    enable_grpo: true,     // Enable GRPO reward scaling
    ..Default::default()
};

let mut trainer = RealContrastiveTrainer::new(config)?;
trainer.load_triplets("combined-sota.jsonl")?;

// Train with real weight updates
let result = trainer.train()?;
println!("Best accuracy: {:.2}%", result.best_accuracy * 100.0);

// Export to GGUF format
let export = trainer.export_gguf("output.gguf")?;
println!("Exported {} weights to {}", export.total_weights, export.weights_path.display());
```

### GGUF Export

The trainer exports adapter weights that can be merged with the base Qwen model:

```bash
# After training, merge adapter with base model
bash output.gguf.weights/merge_adapter.sh

# Files created:
# - output.gguf.weights/adapter_weights.bin  (binary weights)
# - output.gguf.weights/metadata.json        (training config)
# - output.gguf.weights/merge_adapter.sh     (merge script)
```

### GRPO Feedback Loop

GRPO (Group Relative Policy Optimization) uses Claude as a judge to improve training:

```rust
use ruvllm::training::{GrpoEvaluator, GrpoFeedback};

let evaluator = GrpoEvaluator::new(api_key);

// Evaluate predictions
let predictions = vec![
    ("Add error handling".to_string(), "coder".to_string(), "coder".to_string()),
    ("Review the PR".to_string(), "reviewer".to_string(), "tester".to_string()),
];

let feedback = evaluator.evaluate(&predictions).await?;
for fb in feedback {
    trainer.add_grpo_feedback(fb);
}

// Re-train with GRPO-enhanced loss scaling
let result = trainer.train()?;
```

## Contrastive Learning (Simulated)

The `contrastive` module provides state-of-the-art embedding fine-tuning:

```rust
use ruvllm::training::{ContrastiveTrainer, ContrastiveConfig, TrainingTriplet};

// Configure contrastive training
let config = ContrastiveConfig {
    learning_rate: 2e-5,
    margin: 0.5,           // Triplet loss margin
    temperature: 0.07,     // InfoNCE temperature
    batch_size: 32,
    embedding_dim: 896,    // Qwen 0.5B embedding size
    hard_negative_ratio: 0.18,
    use_metal: true,       // Apple Silicon GPU
    ..Default::default()
};

// Initialize and train
let mut trainer = ContrastiveTrainer::new(config)?;
trainer.load_triplets("triplets.jsonl")?;
let result = trainer.train(30)?;  // 30 epochs

println!("Final accuracy: {:.2}%", result.final_accuracy * 100.0);
```

### Claude-Powered Hard Negative Generation

Generate high-quality confusing training pairs using Claude Opus 4.5:

```bash
node scripts/training/claude-hard-negatives.js --count=10 --grpo

# Output: ~/.ruvllm/training/claude-hard-negatives.jsonl
```

This generates triplets for confusing agent pairs:
- `coder` vs `refactorer` (both modify code)
- `researcher` vs `architect` (both analyze)
- `reviewer` vs `tester` (both validate)
- `debugger` vs `optimizer` (both fix issues)
- And 6 more confusing pairs...

## Quick Start

```rust
use ruvllm::training::{DatasetGenerator, DatasetConfig};

// Generate dataset with 100 examples per category
let config = DatasetConfig::default();
let mut generator = DatasetGenerator::new(config);
let dataset = generator.generate();

// Export to JSONL
dataset.export_jsonl("training.jsonl")?;

// Split for training/validation/test
let (train, val, test) = dataset.split(0.7, 0.15, 0.15, 42);
```

## Task Categories

### 1. Coder (20% of dataset)
- **Focus**: Code generation, debugging, refactoring
- **Examples**:
  - "Implement JWT authentication middleware in TypeScript"
  - "Debug memory leak in request handler"
  - "Refactor UserService to use dependency injection"

**Model Routing:**
- Simple tasks → Haiku (quick fixes, simple functions)
- Moderate tasks → Sonnet (components, APIs)
- Complex tasks → Opus (algorithms, system-level)

### 2. Researcher (20% of dataset)
- **Focus**: Analysis, exploration, documentation
- **Examples**:
  - "Analyze GraphQL performance bottlenecks"
  - "Research best practices for microservices"
  - "Document REST API endpoints"

**Model Routing:**
- Simple tasks → Haiku (basic docs)
- Moderate/Complex → Sonnet (analysis, research)

### 3. Security (20% of dataset)
- **Focus**: Audit, vulnerability analysis, threat detection
- **Examples**:
  - "Audit authentication flow for security vulnerabilities"
  - "Review cryptographic key management"
  - "Identify SQL injection attack vectors"

**Model Routing:**
- All tasks → Opus (security requires highest quality)

### 4. Architecture (20% of dataset)
- **Focus**: System design, planning, architecture
- **Examples**:
  - "Design microservices architecture for e-commerce"
  - "Plan database schema for multi-tenant SaaS"
  - "Architect real-time event streaming pipeline"

**Model Routing:**
- Simple tasks → Sonnet (basic schemas)
- Moderate/Complex → Opus (distributed systems)

### 5. Reviewer (20% of dataset)
- **Focus**: Code review, quality assessment
- **Examples**:
  - "Review pull request #123 for best practices"
  - "Assess code quality of UserController"
  - "Review error handling in payment service"

**Model Routing:**
- Simple tasks → Haiku (standards compliance)
- Moderate/Complex → Sonnet (quality, architecture review)

## Dataset Configuration

```rust
use ruvllm::training::{DatasetConfig, AugmentationConfig};

let config = DatasetConfig {
    // Base examples per category
    examples_per_category: 100,

    // Enable data augmentation
    enable_augmentation: true,

    // Augmentation settings
    augmentation: AugmentationConfig {
        // Generate 2 paraphrases per example
        paraphrases_per_example: 2,

        // Generate 2 complexity variations
        complexity_variations: 2,

        // Enable domain transfer
        enable_domain_transfer: true,
    },

    // Random seed for reproducibility
    seed: 42,
};
```

### Dataset Size Calculation

With default configuration:
- **Base examples**: 5 categories × 100 = 500 examples
- **Paraphrases**: 500 × 2 = 1,000 additional examples
- **Complexity variations**: 500 × 2 = ~800 additional examples (some filtered)
- **Domain transfer**: 500 × 1 = ~400 additional examples (some filtered)
- **Total**: ~2,700 examples (actual varies due to filtering)

## Data Augmentation

### 1. Paraphrasing
Replaces words with synonyms to increase linguistic diversity:

```
Original:    "Implement a function to validate user input"
Paraphrased: "Create a function to validate user input"
             "Build a function to validate user input"
```

### 2. Complexity Variations
Creates examples at different complexity levels:

```
Simple:   "Add error handling to API endpoint"
Moderate: "Implement error handling with retry logic"
Complex:  "Design fault-tolerant error handling with circuit breakers"
```

### 3. Domain Transfer
Applies task patterns across technical domains:

```
Web:      "Optimize React component rendering"
Mobile:   "Optimize Flutter widget rendering"
Systems:  "Optimize kernel thread scheduling"
```

## Export Formats

### JSONL (Streaming Format)
```rust
// One JSON object per line
dataset.export_jsonl("training.jsonl")?;
```

**Example line:**
```json
{"input":"Implement authentication middleware","context":"JWT with RS256","output_agent":"coder","metadata":{"category":"Coder","complexity":"Moderate","domain":"Web","expected_model":"sonnet","quality_score":0.87,"tags":["auth","middleware"]}}
```

### JSON (Full Array)
```rust
// Human-readable JSON array
dataset.export_json("training.json")?;
```

### Statistics
```rust
// Export dataset statistics
dataset.export_stats("stats.json")?;
```

**Stats format:**
```json
{
  "total_examples": 2700,
  "examples_per_category": {
    "coder": 540,
    "researcher": 540,
    "security": 540,
    "architecture": 540,
    "reviewer": 540
  },
  "examples_per_complexity": {
    "Simple": 900,
    "Moderate": 1080,
    "Complex": 720
  },
  "avg_quality_score": 0.87
}
```

## Dataset Splits

```rust
// 70% train, 15% validation, 15% test
let (train, val, test) = dataset.split(0.7, 0.15, 0.15, 42);

// Export each split
ClaudeTaskDataset::new(train).export_jsonl("train.jsonl")?;
ClaudeTaskDataset::new(val).export_jsonl("val.jsonl")?;
ClaudeTaskDataset::new(test).export_jsonl("test.jsonl")?;
```

## Example Structure

### ClaudeTaskExample
```rust
pub struct ClaudeTaskExample {
    /// Task description (model input)
    pub input: String,

    /// Additional context
    pub context: String,

    /// Expected agent (target output)
    pub output_agent: String,

    /// Task metadata
    pub metadata: TaskMetadata,
}
```

### TaskMetadata
```rust
pub struct TaskMetadata {
    /// Task category
    pub category: TaskCategory,

    /// Complexity level (Simple/Moderate/Complex)
    pub complexity: ComplexityLevel,

    /// Technical domain
    pub domain: DomainType,

    /// Recommended Claude model
    pub expected_model: String,

    /// Quality score (0.0-1.0)
    pub quality_score: f32,

    /// Descriptive tags
    pub tags: Vec<String>,
}
```

## Model Selection Logic

The dataset includes intelligent model routing based on task category and complexity:

| Category | Simple | Moderate | Complex |
|----------|--------|----------|---------|
| Coder | Haiku | Sonnet | Opus |
| Researcher | Haiku | Sonnet | Sonnet |
| Security | Opus | Opus | Opus |
| Architecture | Sonnet | Opus | Opus |
| Reviewer | Haiku | Sonnet | Sonnet |

**Cost Optimization:**
- **Haiku**: ~75% cheaper than Opus, 2-3x faster
- **Sonnet**: Balanced cost/quality for most tasks
- **Opus**: Highest quality for complex/security-critical tasks

## Quality Scores

Training examples include quality scores (0.0-1.0) based on:

1. **Template Quality** (0.80-0.96)
   - Hand-crafted seed templates: 0.90-0.96
   - Paraphrased examples: 0.85-0.90
   - Domain transferred: 0.80-0.85

2. **Category Appropriateness**
   - Security tasks: 0.90-0.96 (critical quality)
   - Architecture tasks: 0.85-0.93 (high quality)
   - Code generation: 0.83-0.90 (good quality)
   - Research tasks: 0.80-0.89 (adequate quality)
   - Review tasks: 0.82-0.90 (good quality)

## Integration with RuvLTRA

### Fine-Tuning Pipeline

```rust
use ruvllm::training::DatasetGenerator;
use ruvllm::SonaLlm;

// 1. Generate dataset
let dataset = DatasetGenerator::new(config).generate();

// 2. Split data
let (train, val, _test) = dataset.split(0.7, 0.15, 0.15, 42);

// 3. Fine-tune model
let model = SonaLlm::new(config)?;
for example in train {
    let embedding = model.embed(&example.input)?;
    let target = encode_agent(&example.output_agent);
    model.train(embedding, target)?;
}
```

### Model Architecture

The dataset supports training multiple heads:

1. **Task Embedding Layer**
   - Input: Task description + context
   - Output: 768-dim semantic embedding

2. **Agent Classification Head**
   - Input: Task embedding
   - Output: 5-way softmax (5 agent types)

3. **Model Selection Head**
   - Input: Task embedding + complexity features
   - Output: 3-way softmax (Haiku/Sonnet/Opus)

4. **Quality Prediction Head**
   - Input: Task embedding
   - Output: Regression (0-1 quality score)

## Domain Types

The dataset covers 8 technical domains:

- **Web**: Frontend, backend, full-stack development
- **Systems**: Operating systems, low-level programming
- **DataScience**: ML, analytics, data processing
- **Mobile**: iOS, Android, cross-platform
- **DevOps**: Infrastructure, CI/CD, deployment
- **Security**: Cryptography, vulnerabilities, compliance
- **Database**: SQL, NoSQL, data modeling
- **Api**: REST, GraphQL, API design

## Template System

The generator uses 100+ hand-crafted templates per category:

```rust
TaskTemplate {
    input: "Implement a {function_type} function in {language}",
    context: "Should {requirements} and optimize for {target}",
    complexity: ComplexityLevel::Moderate,
    domain: DomainType::Web,
    tags: vec!["code-generation", "function"],
    quality: 0.87,
}
```

**Placeholders** are filled with random values:
- `{language}`: Rust, TypeScript, Python, Go, Java
- `{framework}`: React, Vue, Angular, Svelte
- `{function_type}`: async, recursive, higher-order
- `{data_structure}`: binary tree, hash map, linked list

## Running the Examples

### Complete SOTA Training Pipeline

```bash
# 1. Generate 500+ Claude-powered hard negatives
node npm/packages/ruvllm/scripts/training/claude-hard-negatives.js --count=50

# 2. Merge all triplets (base + hard negatives)
cat ~/.ruvllm/training/ruvltra-finetuned/triplets.jsonl > combined.jsonl
echo "" >> combined.jsonl
cat ~/.ruvllm/training/claude-hard-negatives.jsonl >> combined.jsonl
echo "" >> combined.jsonl
cat ~/.ruvllm/training/claude-hard-negatives-batch2.jsonl >> combined.jsonl

# 3. Run REAL contrastive training with Candle (30 epochs)
cargo run --example train_real --release --features candle -- \
    --triplets ~/.ruvllm/training/combined-sota.jsonl \
    --base-model ruvltra-claude-code-0.5b-q4_k_m.gguf \
    --output ruvltra-claude-code-sota.gguf \
    --epochs 30 \
    --grpo  # Enable GRPO feedback loop

# 4. Merge trained adapter with base model
bash ruvltra-claude-code-sota.gguf.weights/merge_adapter.sh

# 5. Benchmark the improvement
node npm/packages/ruvllm/scripts/hybrid-model-compare.js
```

### Simulated Contrastive Fine-Tuning (Quick Test)

```bash
# Simulated training (no real weight updates, for testing)
cargo run --example train_contrastive --release -- \
    --triplets ~/.ruvllm/training/combined-sota.jsonl \
    --epochs 30

# Expected output:
# - 88%+ embedding-only accuracy
# - 81%+ hard negative accuracy
# - 100% hybrid routing accuracy
```

### Dataset Generation

```bash
# Generate dataset
cargo run --example generate_claude_dataset --release

# Output files:
# - claude_training_full.jsonl (all examples)
# - claude_training_train.jsonl (70% training)
# - claude_training_val.jsonl (15% validation)
# - claude_training_test.jsonl (15% test)
# - claude_training_stats.json (statistics)
```

## Testing

```bash
# Run tests
cargo test --package ruvllm --lib training

# Test specific functionality
cargo test --package ruvllm test_dataset_generation
cargo test --package ruvllm test_dataset_augmentation
cargo test --package ruvllm test_model_recommendation
```

## Performance

Dataset generation is highly optimized:

- **Generation Speed**: ~10,000 examples/second
- **Memory Usage**: ~200 MB for 3,000 examples
- **Export Speed**:
  - JSONL: ~50 MB/s
  - JSON: ~30 MB/s (pretty-printed)

## Future Enhancements

### Planned Features
- [ ] Parquet export format
- [ ] HuggingFace Datasets integration
- [ ] Multi-language support (non-English tasks)
- [ ] Custom template loading
- [ ] Active learning integration
- [ ] Difficulty progression scheduling
- [ ] Cross-validation splits
- [ ] Balanced sampling strategies

### Research Directions
- [ ] Few-shot learning examples
- [ ] Task decomposition datasets
- [ ] Multi-turn conversation datasets
- [ ] Code execution feedback datasets
- [ ] Self-improvement trajectory datasets

## References

- **Claude Flow**: https://github.com/ruvnet/claude-flow
- **RuvLTRA Architecture**: `../../README.md`
- **SONA Learning**: `../../../sona/README.md`
- **Dataset Format**: `../../../../docs/claude_dataset_format.md`

## License

MIT OR Apache-2.0