rustorch 0.6.29

# RusTorch Refactoring Progress Tracker
# RusTorchリファクタリング進捗トラッカー

**Last Updated**: 2025-01-24  
**Project Start**: TBD  
**Target Completion**: 10-12 weeks from start

## 📊 Overall Progress / 全体進捗

| Phase | Tasks | Completed | Progress | Status |
|-------|--------|----------|----------|--------|
| **Phase 1** | 3 | 0 | 0% | ⏳ Not Started |
| **Phase 2** | 3 | 0 | 0% | ⏳ Not Started |
| **Phase 3** | 3 | 0 | 0% | ⏳ Not Started |
| **Total** | **9** | **0** | **0%** | 📋 **Planning Complete** |

## 🎯 Phase 1: Critical Infrastructure (v0.4.0)

### Task 1.1: Backend Abstraction Layer
**Status**: ⏳ Not Started | **Progress**: 0/8 subtasks | **Effort**: 0/40 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 1.1.1 | Design ComputeBackend trait | ⏳ | 0/5 | |
| 1.1.2 | Implement CPU backend | ⏳ | 0/6 | |
| 1.1.3 | Create GPU interface | ⏳ | 0/4 | |
| 1.1.4 | Migrate CUDA backend | ⏳ | 0/8 | |
| 1.1.5 | Migrate Metal backend | ⏳ | 0/6 | |
| 1.1.6 | Migrate OpenCL backend | ⏳ | 0/6 | |
| 1.1.7 | Add backend selection | ⏳ | 0/3 | |
| 1.1.8 | Update Tensor integration | ⏳ | 0/2 | |

### Task 1.2: Tensor Operations Split  
**Status**: ⏳ Not Started | **Progress**: 0/9 subtasks | **Effort**: 0/32 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 1.2.1 | Create operations structure | ⏳ | 0/2 | |
| 1.2.2 | Extract arithmetic ops | ⏳ | 0/4 | |
| 1.2.3 | Extract linear algebra | ⏳ | 0/6 | |
| 1.2.4 | Extract reduction ops | ⏳ | 0/4 | |
| 1.2.5 | Extract shape ops | ⏳ | 0/4 | |
| 1.2.6 | Extract statistical ops | ⏳ | 0/4 | |
| 1.2.7 | Extract FFT ops | ⏳ | 0/3 | |
| 1.2.8 | Extract broadcasting | ⏳ | 0/3 | |
| 1.2.9 | Update imports/tests | ⏳ | 0/2 | |

### Task 1.3: GPU Kernel Consolidation
**Status**: ⏳ Not Started | **Progress**: 0/4 subtasks | **Effort**: 0/24 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 1.3.1 | Create kernel trait | ⏳ | 0/6 | |
| 1.3.2 | Extract GPU memory mgmt | ⏳ | 0/8 | |
| 1.3.3 | Create compilation pipeline | ⏳ | 0/6 | |
| 1.3.4 | Add benchmarking | ⏳ | 0/4 | |

**Phase 1 Total Progress**: 0/21 subtasks (0%) | 0/96 hours

## 🎯 Phase 2: Module Organization (v0.5.0)

### Task 2.1: Neural Network Layer Traits
**Status**: ⏳ Not Started | **Progress**: 0/6 subtasks | **Effort**: 0/36 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 2.1.1 | Design layer hierarchy | ⏳ | 0/6 | |
| 2.1.2 | Create parameter mgmt | ⏳ | 0/4 | |
| 2.1.3 | Refactor convolution layers | ⏳ | 0/8 | |
| 2.1.4 | Refactor recurrent layers | ⏳ | 0/8 | |
| 2.1.5 | Standardize activations | ⏳ | 0/4 | |
| 2.1.6 | Update Module trait | ⏳ | 0/6 | |

### Task 2.2: Device Management Refactoring  
**Status**: ⏳ Not Started | **Progress**: 0/4 subtasks | **Effort**: 0/20 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 2.2.1 | Split device detection | ⏳ | 0/5 | |
| 2.2.2 | Create context management | ⏳ | 0/6 | |
| 2.2.3 | Implement device selection | ⏳ | 0/5 | |
| 2.2.4 | Add capability management | ⏳ | 0/4 | |

### Task 2.3: Model I/O Unification
**Status**: ⏳ Not Started | **Progress**: 0/5 subtasks | **Effort**: 0/28 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 2.3.1 | Design unified interface | ⏳ | 0/4 | |
| 2.3.2 | Consolidate PyTorch | ⏳ | 0/8 | |
| 2.3.3 | Enhance ONNX support | ⏳ | 0/6 | |
| 2.3.4 | Improve Safetensors | ⏳ | 0/6 | |
| 2.3.5 | Add validation utilities | ⏳ | 0/4 | |

**Phase 2 Total Progress**: 0/15 subtasks (0%) | 0/84 hours

## 🎯 Phase 3: API Consistency (v0.6.0)

### Task 3.1: Error Handling Unification
**Status**: ⏳ Not Started | **Progress**: 0/3 subtasks | **Effort**: 0/16 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 3.1.1 | Design unified errors | ⏳ | 0/4 | |
| 3.1.2 | Update Result types | ⏳ | 0/8 | |
| 3.1.3 | Enhance error messages | ⏳ | 0/4 | |

### Task 3.2: SIMD Operations Consolidation
**Status**: ⏳ Not Started | **Progress**: 0/4 subtasks | **Effort**: 0/20 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 3.2.1 | Create SIMD traits | ⏳ | 0/6 | |
| 3.2.2 | Consolidate arithmetic | ⏳ | 0/5 | |
| 3.2.3 | Consolidate reductions | ⏳ | 0/5 | |
| 3.2.4 | Add arch implementations | ⏳ | 0/4 | |

### Task 3.3: Memory Management Strategy
**Status**: ⏳ Not Started | **Progress**: 0/4 subtasks | **Effort**: 0/24 hours

| Subtask | Description | Status | Hours | Notes |
|---------|-------------|---------|--------|-------|
| 3.3.1 | Design allocator traits | ⏳ | 0/6 | |
| 3.3.2 | Implement allocators | ⏳ | 0/8 | |
| 3.3.3 | Add memory pooling | ⏳ | 0/6 | |
| 3.3.4 | Tensor integration | ⏳ | 0/4 | |

**Phase 3 Total Progress**: 0/11 subtasks (0%) | 0/60 hours

## 📈 Weekly Progress Reports / 週次進捗レポート

### Week 0 (Planning Week) - 2025-01-24
**Completed**:
- ✅ Comprehensive codebase analysis (171 files, 72,709 lines)
- ✅ Refactoring roadmap created with 3-phase approach
- ✅ Detailed task breakdown with 47 subtasks
- ✅ Progress tracking system established  
- ✅ Risk assessment and mitigation strategies

**Next Week Goals**:
- Start Task 1.1.1: Design ComputeBackend trait interface
- Set up development branch for refactoring work
- Establish continuous integration for refactoring branch

---

## 🎯 Success Metrics Tracking / 成功指標追跡

### Technical Metrics / 技術指標

| Metric | Baseline | Current | Target | Status |
|--------|----------|---------|--------|--------|
| **Total Lines of Code** | 72,709 | 72,709 | <60,000 | ⏳ |
| **Number of Files** | 171 | 171 | <150 | ⏳ |
| **Average File Size** | 425 lines | 425 lines | <500 lines | ⏳ |
| **Test Coverage** | 647 tests | 647 tests | 647+ tests | ✅ |
| **Compilation Time** | Baseline TBD | TBD | 20-30% faster | ⏳ |
| **Code Duplication** | High | High | <10% | ⏳ |

### Quality Metrics / 品質指標

| Metric | Current | Target | Status |
|--------|---------|--------|--------|
| **Consistent Error Types** | Mixed | 100% unified | ⏳ |
| **API Consistency** | Partial | 100% consistent | ⏳ |
| **Documentation Coverage** | Partial | 95% public APIs | ⏳ |
| **Module Dependencies** | Complex | No circular deps | ⏳ |
| **Performance Regression** | N/A | 0% regression | ⏳ |

## 🚨 Risk & Issue Tracking / リスクと課題追跡

### Current Risks / 現在のリスク

| Risk | Probability | Impact | Mitigation Status |
|------|-------------|---------|-------------------|
| **Backend Migration Breaking GPU** | Medium | High | ⏳ Planning |
| **Performance Regression** | Medium | High | ⏳ Planning |
| **API Compatibility Break** | Low | High | ⏳ Planning |
| **Timeline Overrun** | Medium | Medium | ⏳ Planning |

### Open Issues / 未解決課題

| Issue | Priority | Assigned | Status | Due Date |
|-------|----------|----------|---------|----------|
| *No issues yet* | - | - | - | - |

## 📝 Decision Log / 意思決定ログ

### Major Decisions / 主要決定

| Date | Decision | Rationale | Impact |
|------|----------|-----------|--------|
| 2025-01-24 | **3-Phase Refactoring Approach** | Minimizes risk, allows for staged releases | Medium |
| 2025-01-24 | **Backend Abstraction Priority** | Foundation for all future improvements | High |
| 2025-01-24 | **Maintain Backward Compatibility** | Ensures user adoption during transition | High |

## 🔄 Change Requests / 変更要求

### Pending Change Requests / 保留中の変更要求

| Request | Priority | Impact Assessment | Decision |
|---------|----------|-------------------|----------|
| *No pending requests* | - | - | - |

---

## 📋 How to Use This Tracker / このトラッカーの使用方法

### Status Symbols / ステータスシンボル:
- ⏳ **Not Started** / 未開始
- 🔄 **In Progress** / 進行中  
- ✅ **Completed** / 完了
- ❌ **Blocked** / ブロック中
- ⚠️ **At Risk** / リスクあり

### Update Protocol / 更新プロトコル:
1. **Daily**: Update subtask progress and hours
2. **Weekly**: Update weekly report section
3. **Phase End**: Complete phase retrospective
4. **Issues**: Log immediately when discovered

### Review Schedule / レビュースケジュール:
- **Daily Standups**: Progress check (15 min)
- **Weekly Reviews**: Detailed progress assessment (1 hour)
- **Phase Reviews**: Comprehensive evaluation (2-3 hours)
- **Risk Reviews**: Monthly risk assessment (30 min)

This tracker will be updated throughout the refactoring process to maintain visibility into progress, risks, and overall project health.