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Hang Yang

PROFILE

Hang Yang

Worked on the alibaba/rtp-llm repository over a two-month period, focusing on improving build reliability and distributed training correctness. Addressed a library conflict in the build system by removing unused linker options and dependencies, which streamlined the dependency graph and reduced build complexity. In distributed training, disabled a custom allreduce operation in the tp4 scenario to prevent incorrect outputs and expanded the performance testing suite with new Qwen72B model configurations. Utilized C++ and Python, applying skills in build systems, dependency management, and performance testing to enhance maintainability, reduce regression risk, and improve validation coverage for production deployments.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

2Total
Bugs
2
Commits
2
Features
0
Lines of code
21
Activity Months2

Your Network

1644 people

Same Organization

@amd.com
1561

Shared Repositories

83

Work History

February 2025

1 Commits

Feb 1, 2025

February 2025 - alibaba/rtp-llm: Stabilized distributed training in tp4 by disabling the custom allreduce to prevent incorrect outputs, and expanded performance validation by adding Qwen72B test input configurations. These changes reduce risk of silent incorrect results in production deployments and strengthen performance regression coverage. Key achievements: 1) Disabled custom allreduce in tp4 (commit 92e180b70db60ae9d034159cebf16db23a752ed1). 2) Added Qwen72B test inputs to performance suite. Impact: improved correctness and reliability in distributed training, faster issue detection, better validation coverage. Technologies: distributed training, performance testing, test suite augmentation.

January 2025

1 Commits

Jan 1, 2025

January 2025 summary for alibaba/rtp-llm focused on stabilizing the build system and simplifying the dependency graph to improve reliability and maintainability. The primary deliverable was a library-conflict resolution in the BUILD configuration, resulting in a cleaner and more efficient build process. Changes were implemented via a targeted fix commit and accompanied by clean-up of unused dependencies, reducing build complexity and potential regression surfaces.

Activity

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Quality Metrics

Correctness90.0%
Maintainability90.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++Python

Technical Skills

Build SystemsDependency ManagementDistributed SystemsModel OptimizationPerformance Testing

Repositories Contributed To

1 repo

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

alibaba/rtp-llm

Jan 2025 Feb 2025
2 Months active

Languages Used

C++Python

Technical Skills

Build SystemsDependency ManagementDistributed SystemsModel OptimizationPerformance Testing