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PROFILE

Nya~

Chen Miao Ku developed advanced mathematical function support for Apache Doris, implementing acosh, asinh, atanh, and sinh across backend C++ and frontend Java to expand analytic capabilities and ensure API consistency. He enhanced the apache/doris-website repository by authoring comprehensive, bilingual documentation for these functions, standardizing SQL naming conventions, and improving localization workflows using Markdown. In the amazonlinux/linux repository, he contributed OpenRISC jump label support and runtime patching integration, focusing on kernel configuration, memory management, and performance optimization in C and assembly. His work demonstrated depth in cross-language development, embedded systems, and technical writing, addressing both feature delivery and maintainability.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

7Total
Bugs
0
Commits
7
Features
4
Lines of code
3,192
Activity Months3

Work History

September 2025

4 Commits • 2 Features

Sep 1, 2025

2025-09 Monthly Summary for amazonlinux/linux focusing on delivering high-value OpenRISC enhancements, config hygiene, and stability improvements.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for the apache/doris-website repository. Focused on delivering comprehensive documentation enhancements for SQL features, improving consistency, localization, and overall documentation quality to support developer onboarding and user guidance.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025 – Apache Doris (apache/doris): Key feature delivered: Advanced Mathematical Functions Support (acosh, asinh, atanh, sinh) implemented in backend C++ and frontend Java, with regression tests. Major bugs fixed: none reported this month. Overall impact: expands analytic capabilities, enabling complex mathematical expressions directly in Doris, improving SQL usability and downstream analytics. Technologies/skills demonstrated: cross-language development (C++/Java), regression testing, API design consistency across backend and frontend, and code review readiness.

Activity

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Quality Metrics

Correctness95.6%
Maintainability91.4%
Architecture93.0%
Performance91.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

AssemblyCC++JavaMarkdown

Technical Skills

Architecture-Specific DevelopmentAssembly LanguageBackend DevelopmentContent ManagementDocumentationEmbedded SystemsFrontend DevelopmentKernel ConfigurationKernel DevelopmentMathematical FunctionsMemory ManagementPerformance OptimizationSQLTechnical WritingTypo Correction

Repositories Contributed To

3 repos

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

amazonlinux/linux

Sep 2025 Sep 2025
1 Month active

Languages Used

AssemblyC

Technical Skills

Architecture-Specific DevelopmentAssembly LanguageEmbedded SystemsKernel ConfigurationKernel DevelopmentMemory Management

apache/doris-website

Apr 2025 Apr 2025
1 Month active

Languages Used

Markdown

Technical Skills

Content ManagementDocumentationTechnical WritingTypo Correction

apache/doris

Mar 2025 Mar 2025
1 Month active

Languages Used

C++Java

Technical Skills

Backend DevelopmentFrontend DevelopmentMathematical FunctionsSQLUnit Testing

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