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Oscar Cheng

PROFILE

Oscar Cheng

Worked on the verilog-to-routing/vtr-verilog-to-routing repository, delivering cross-platform enhancements and improving build reliability over a three-month period. Focus areas included enabling Windows and MSVC compatibility, refining type safety, and strengthening build hygiene through CMake configuration and code refactoring. Addressed API mismatches and improved executable path handling to ensure consistent tool invocation across Windows, Linux, and macOS. Integrated CI-enabled MCNC regression testing using Python scripting, established virtual environments, and streamlined test workflows for reproducibility. Applied skills in C++, Python, and CI/CD to resolve platform-specific issues, optimize code structure, and accelerate feedback loops, resulting in more robust and maintainable development workflows.

Overall Statistics

Feature vs Bugs

57%Features

Repository Contributions

38Total
Bugs
6
Commits
38
Features
8
Lines of code
6,212
Activity Months3

Your Network

48 people

Work History

June 2026

6 Commits • 2 Features

Jun 1, 2026

June 2026 monthly summary for verilog-to-routing/vtr-verilog-to-routing: Delivered CI-enabled MCNC regression testing with result logging and MSVC support, plus OS-aware VPR executable path handling improvements. Implemented a Python virtual environment for MCNC regression tests, refined test naming, and streamlined the workflow. Also added DLL path handling adjustments to ensure reliable test execution across environments. These efforts increased regression coverage, reproducibility, and build reliability, accelerating feedback loops for developers. No major bug fixes were recorded this month.

May 2026

1 Commits

May 1, 2026

May 2026 monthly summary for verilog-to-routing/vtr-verilog-to-routing: Focused on cross-platform stability for the VPR tool. No new features released this month. Major bug fix: Windows-specific path handling for the VPR executable to avoid path resolution errors.

April 2026

31 Commits • 6 Features

Apr 1, 2026

April 2026 monthly summary for verilog-to-routing/vtr-verilog-to-routing: Delivered cross-platform portability enhancements (Windows/MSVC) and portability/type-system fixes, improved API compatibility with libsdcparse, strengthened build hygiene, and refreshed code-generation tooling. These changes reduce build fragility, enable Windows/OpenFPGA workflows, and set the foundation for smoother future releases with fewer platform-specific regressions.

Activity

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Quality Metrics

Correctness97.8%
Maintainability93.8%
Architecture94.2%
Performance93.8%
AI Usage20.4%

Skills & Technologies

Programming Languages

CC++CMakeNonePowerShellPythonYAML

Technical Skills

Build configurationC programmingC++C++ developmentC++ programmingCI/CDCMakeCMake configurationCode FormattingCode RefactoringCode refactoringCompiler compatibilityContinuous IntegrationCross-platform DevelopmentCross-platform development

Repositories Contributed To

1 repo

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

verilog-to-routing/vtr-verilog-to-routing

Apr 2026 Jun 2026
3 Months active

Languages Used

CC++CMakeNonePythonPowerShellYAML

Technical Skills

C programmingC++C++ developmentC++ programmingCMakeCMake configuration