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Ting-Yun Chang

PROFILE

Ting-yun Chang

Worked on integrating LoRA support for Cosmos Predict 2.5 within the huggingface/diffusers repository, focusing on aligning the implementation with the official Cosmos repository. Developed an end-to-end workflow that included dataset preprocessing, model training, and evaluation scripts, all implemented in Python and leveraging deep learning and machine learning techniques. Addressed technical challenges such as VAE encoding inconsistencies, text encoder attention, and scheduler device placement, while ensuring compatibility with batch sizes greater than one and upcasting to fp32. Documented dependencies and prepared blog post assets to support communication, resulting in a scalable and maintainable fine-tuning pipeline for Cosmos Predict 2.5.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
1,582
Activity Months1

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026 monthly summary focusing on delivering LoRA integration for Cosmos Predict 2.5 in diffusers, aligning with the official Cosmos repo, and hardening end-to-end training/fine-tuning workflows. The work enabled scalable, maintainable fine-tuning with LoRA on Cosmos Predict 2.5 and improved alignment with upstream implementations.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage60.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

Data ProcessingDeep LearningMachine LearningModel TrainingPython

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

huggingface/diffusers

May 2026 May 2026
1 Month active

Languages Used

Python

Technical Skills

Data ProcessingDeep LearningMachine LearningModel TrainingPython