AI/ML Tasks - RepoMaster

Overview

Machine learning tasks typically require extensive setup, from finding the right frameworks to configuring training pipelines. RepoMaster automates this process by discovering and orchestrating ML repositories from GitHub to solve your AI tasks.

What RepoMaster Can Do

Model Training

Train image classifiers, NLP models, and more using pre-built architectures

Transfer Learning

Fine-tune pre-trained models on your custom datasets

Data Preparation

Load, preprocess, and augment training data automatically

Inference

Run predictions on new data using trained models

Model Evaluation

Generate metrics, confusion matrices, and performance reports

Experiment Tracking

Track hyperparameters and results across multiple runs

How It Works

Describe your ML task in natural language:

python launcher.py --mode backend --backend-mode unified

Example User Input:

Train an image classifier on CIFAR-10 dataset using transfer learning

Task Analysis

RepoMaster understands this requires:

Image classification framework
CIFAR-10 dataset loading
Transfer learning architecture (ResNet, VGG, etc.)
Training pipeline setup

Repository Discovery

Searches GitHub for:

PyTorch/TensorFlow implementations
CIFAR-10 training examples
Transfer learning tutorials
Model zoo repositories

Pipeline Setup

Downloads CIFAR-10 dataset
Loads pre-trained model weights
Configures data augmentation
Sets up training loop with optimal hyperparameters

Execution & Monitoring

Trains model with progress tracking
Validates on test set
Saves best model checkpoint
Generates performance metrics

Results Delivery

Trained model weights
Training/validation curves
Test accuracy and confusion matrix
Sample predictions visualization

Real-World Example: Image Classification

From USAGE.md: Task:

Train an image classifier on CIFAR-10 dataset using transfer learning

What RepoMaster Does

1. Repository Search & Selection

🔍 Searching for image classification repositories...
✅ Found 25+ relevant repositories

📊 Top candidates:
   - pytorch/vision (official PyTorch models)
   - huggingface/pytorch-image-models (timm)
   - tensorflow/models (TensorFlow model garden)
   - keras-team/keras-applications

✅ Selected: huggingface/pytorch-image-models
   Reason: Modern architectures + easy transfer learning

2. Environment Setup

📦 Setting up ML environment...
✅ Created virtual environment
✅ Installed: torch, torchvision, timm, matplotlib
✅ GPU detected: NVIDIA RTX 4090 (24GB)

3. Dataset Preparation

📊 Loading CIFAR-10 dataset...
✅ Downloading: 170MB
✅ Train set: 50,000 images (10 classes)
✅ Test set: 10,000 images
✅ Applied augmentation: RandomCrop, RandomHorizontalFlip, Normalize

4. Model Configuration

🧠 Configuring transfer learning...
✅ Base model: ResNet-50 (pre-trained on ImageNet)
✅ Modified final layer: 1000 → 10 classes
✅ Optimizer: AdamW (lr=0.001)
✅ Scheduler: CosineAnnealingLR
✅ Loss: CrossEntropyLoss

5. Training

🚀 Starting training...

Epoch 1/20:
  Train: 100%|████████| 391/391 [02:15<00:00]
  Loss: 1.234 | Acc: 65.4%
  Val Loss: 0.892 | Val Acc: 72.1%

Epoch 5/20:
  Train: 100%|████████| 391/391 [02:12<00:00]
  Loss: 0.453 | Acc: 84.2%
  Val Loss: 0.412 | Val Acc: 86.3%

Epoch 10/20:
  Train: 100%|████████| 391/391 [02:11<00:00]
  Loss: 0.234 | Acc: 91.8%
  Val Loss: 0.298 | Val Acc: 90.5%

...

Epoch 20/20:
  Train: 100%|████████| 391/391 [02:10<00:00]
  Loss: 0.089 | Acc: 96.7%
  Val Loss: 0.256 | Val Acc: 92.1%

✅ Training complete! Best val accuracy: 92.1% (epoch 20)

6. Evaluation & Results

📊 Evaluating on test set...
✅ Test Accuracy: 91.8%

Per-class accuracy:
  airplane: 93.2%
  automobile: 94.1%
  bird: 87.3%
  cat: 84.5%
  deer: 91.2%
  dog: 86.7%
  frog: 93.8%
  horse: 92.4%
  ship: 94.6%
  truck: 93.5%

💾 Saved:
   - coding/cifar10_model.pth (best weights)
   - coding/training_curves.png (loss/accuracy plots)
   - coding/confusion_matrix.png
   - coding/sample_predictions.png

✨ Task completed successfully!

Common AI/ML Use Cases

Computer Vision

Image Classification
Object Detection
Image Segmentation
Style Transfer

Task:

Train image classifier on custom dataset in images/ folder
with 5 categories: cats, dogs, birds, cars, flowers

Capabilities:

Automatic dataset splitting (train/val/test)
Data augmentation selection
Architecture recommendation
Hyperparameter tuning

Task:

Detect and count objects in surveillance video footage
using YOLO or similar detector

Features:

Pre-trained detector selection
Video frame processing
Bounding box visualization
Object tracking across frames

Task:

Segment medical images to identify tumor regions

Approaches:

U-Net architecture for medical imaging
Mask R-CNN for instance segmentation
Semantic segmentation models

Task:

Apply artistic style to images (already covered in detail)

See Neural Style Transfer use case.

Natural Language Processing

Text Classification
Named Entity Recognition
Text Summarization
Question Answering

Task:

Train sentiment classifier on movie reviews dataset
to predict positive/negative sentiment

What happens:

Finds transformer models (BERT, RoBERTa)
Tokenizes text data
Fine-tunes pre-trained model
Evaluates on test set

Task:

Extract person names, organizations, and locations
from news articles

Tools:

spaCy NER models
Transformer-based NER (BERT-NER)
Custom entity training

Task:

Summarize long research papers into 3-sentence abstracts

Models:

BART for abstractive summarization
T5 for text-to-text generation
Extractive summarization with BERT

Task:

Build QA system that answers questions about
documentation corpus

Approach:

Document embedding and indexing
Question encoder
Answer extraction/generation

Time Series & Tabular Data

Forecasting:

Predict next 30 days of sales based on historical data
using LSTM or Transformer model

Anomaly Detection:

Detect anomalies in server metrics time series data
using autoencoder or isolation forest

Regression:

Predict house prices from features: size, location, rooms, age
using gradient boosting (XGBoost, LightGBM)

Advanced Features

Hyperparameter Optimization

Task:

Train image classifier with automatic hyperparameter tuning:
optimize learning rate, batch size, and architecture depth

RepoMaster can integrate:

Optuna for Bayesian optimization
Ray Tune for distributed tuning
Grid search or random search

Multi-GPU Training

Task:

Train large language model on 4 GPUs using distributed training

Features:

Automatic DistributedDataParallel setup
Gradient accumulation
Mixed precision training (AMP)
Model parallelism for very large models

Model Deployment

Task:

Export trained model to ONNX format for production deployment

Supported formats:

ONNX (cross-framework)
TorchScript (PyTorch)
SavedModel (TensorFlow)
TFLite (mobile)
CoreML (iOS)

Model Zoo Access

RepoMaster can access state-of-the-art pre-trained models:

Hugging Face

100k+ models for NLP, vision, audio, multimodal

PyTorch Hub

Official PyTorch model repository

TensorFlow Hub

TensorFlow model collection

timm

PyTorch Image Models - 700+ architectures

OpenAI

GPT, CLIP, DALL-E models

Detectron2

Facebook’s detection and segmentation

Integration with Data Pipeline

Data Collection

Use Web Scraping to gather training data

Data Processing

Use Data Processing to clean and prepare data

Model Training

Train ML models using discovered repositories

Evaluation

Generate metrics, visualizations, and reports

Deployment

Export model for production use

Best Practices

Start with small experiments

Train on 10% of data first to verify pipeline works,
then scale to full dataset

Specify your constraints

Train image classifier optimized for CPU inference,
model size under 50MB

Request checkpointing

Train for 50 epochs with checkpointing every 5 epochs
and early stopping if validation loss doesn't improve

Ask for interpretability

Train model and generate feature importance plots
and example predictions with explanations

Performance Optimization

GPU Utilization:

Train with automatic mixed precision (AMP) for faster training
and larger batch sizes

Data Loading:

Use multi-worker data loading and prefetching
for maximum GPU utilization

Memory Efficiency:

Use gradient checkpointing to train larger models
within available GPU memory

Example: Full ML Pipeline

🌟 Unified Assistant started!
============================================================
📋 Task: Complete ML pipeline for custom dataset

User: Train image classifier on my photos in data/images/
with categories: landscape, portrait, architecture, nature, urban

🔧 Analyzing task...
✅ Detected: Custom image classification task

📊 Analyzing dataset...
   Found: 2,347 images across 5 categories
   landscape: 512 images
   portrait: 445 images
   architecture: 398 images
   nature: 521 images
   urban: 471 images

✅ Dataset is balanced, no class weighting needed

📦 Creating train/val/test splits...
✅ Train: 70% (1,643 images)
✅ Val: 15% (352 images)
✅ Test: 15% (352 images)

🔍 Searching for image classification frameworks...
✅ Selected: pytorch-image-models (timm)

🧠 Selecting architecture...
✅ Recommended: EfficientNet-B3
   Reason: Best accuracy/speed tradeoff for 5 classes

⚙️  Configuring training...
   Image size: 224x224
   Batch size: 32
   Learning rate: 1e-3
   Epochs: 30
   Augmentation: AutoAugment + Mixup

🚀 Starting training...
[Training progress...]

✅ Training complete!
   Best val accuracy: 94.3%
   Test accuracy: 93.8%

📊 Generating visualizations...
✅ Created:
   - training_curves.png
   - confusion_matrix.png
   - sample_predictions.png
   - class_activation_maps.png

💾 Saved model:
   - photo_classifier.pth (52.3 MB)
   - model_config.json
   - class_mapping.json

✨ Task completed! Your classifier is ready to use.

Troubleshooting

Out of memory errors

Reduce batch size to 16 and use gradient accumulation
to maintain effective batch size of 64

Overfitting

Add stronger data augmentation and dropout,
use early stopping based on validation loss

Slow training

Enable mixed precision training and increase
number of data loading workers

Poor convergence

Try different learning rate schedule: warmup + cosine decay,
or use AdamW optimizer instead of SGD

Next Steps

Neural Style Transfer

Detailed computer vision example

Data Processing

Prepare data for ML training

Repository Agent

How ML repositories are discovered

Programming Assistant

Custom ML code generation

Documentation Index

​Overview

​What RepoMaster Can Do

Model Training

Transfer Learning

Data Preparation

Inference

Model Evaluation

Experiment Tracking

​How It Works

​Real-World Example: Image Classification

​What RepoMaster Does

​Common AI/ML Use Cases

​Computer Vision

​Natural Language Processing

​Time Series & Tabular Data

​Advanced Features

​Hyperparameter Optimization

​Multi-GPU Training

​Model Deployment

​Model Zoo Access

Hugging Face

PyTorch Hub

TensorFlow Hub

timm

OpenAI

Detectron2

​Integration with Data Pipeline

​Best Practices

​Performance Optimization

​Example: Full ML Pipeline

​Troubleshooting

​Next Steps

Neural Style Transfer

Data Processing

Repository Agent

Programming Assistant

Overview

What RepoMaster Can Do

How It Works

Real-World Example: Image Classification

What RepoMaster Does

Common AI/ML Use Cases

Computer Vision

Natural Language Processing

Time Series & Tabular Data

Advanced Features

Hyperparameter Optimization

Multi-GPU Training

Model Deployment

Model Zoo Access

Integration with Data Pipeline

Best Practices

Performance Optimization

Example: Full ML Pipeline

Troubleshooting

Next Steps