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Qidong Su

PROFILE

Qidong Su

Soodoshll focused on stabilizing long-sequence processing in the NVIDIA-NeMo/RL repository, addressing critical memory management and numerical stability issues in DeepScaler. By optimizing memory usage and explicitly deleting intermediate tensors after use, Soodoshll reduced out-of-memory risks for sequence lengths up to 24,000 tokens. The work involved casting logits to float32 before log-probability calculations, improving both memory efficiency and numerical reliability. Using Python and YAML, Soodoshll’s targeted bug fix enhanced production robustness for large language model inference. This contribution demonstrated depth in deep learning and model optimization, laying a foundation for future scalability improvements in long-context workloads within the repository.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

1Total
Bugs
1
Commits
1
Features
0
Lines of code
20
Activity Months1

Work History

August 2025

1 Commits

Aug 1, 2025

Month 2025-08 summary focusing on delivering measurable business value and technical improvements for NVIDIA-NeMo/RL. Key focus was stabilizing long-sequence processing in DeepScaler by addressing memory management and numerical stability issues to reduce OOM risks and enable more robust production workloads.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture60.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PythonYAML

Technical Skills

Deep LearningLarge Language ModelsMemory ManagementModel Optimization

Repositories Contributed To

1 repo

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

NVIDIA-NeMo/RL

Aug 2025 Aug 2025
1 Month active

Languages Used

PythonYAML

Technical Skills

Deep LearningLarge Language ModelsMemory ManagementModel Optimization