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Michael Kupfer

PROFILE

Michael Kupfer

Worked on modernizing build and parsing infrastructure across two open-source hardware projects. In The-OpenROAD-Project/OpenROAD repository, introduced a nix-based dependency management workflow using C++ and Nix, replacing CMake FetchContent to improve build reproducibility and streamline contributor onboarding. This architectural change reduced environment variability and laid the foundation for more predictable CI processes. In YosysHQ/yosys, enhanced Verilog parsing by extending the lexer and parser to support the specify block 'ifnone' keyword, using C++ and SystemVerilog expertise. This update improved compatibility for designs relying on conditional path delays, reducing manual intervention for projects utilizing advanced Verilog constructs.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
2
Lines of code
90
Activity Months2

Work History

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 focused on increasing Verilog parsing compatibility in Yosys by enabling support for the Verilog specify block 'ifnone' keyword. This work involved lexer enhancement and integrating the new parsing rule into path declaration logic to correctly interpret conditional path delays, improving accuracy and reliability for designs using ifnone.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 highlights for The-OpenROAD-Project/OpenROAD: focused on modernizing the build system to improve robustness, reproducibility, and contributor onboarding. Implemented a nix-based dependency-fetching workflow to replace CMake FetchContent for all build dependencies (including googletest), laying groundwork for consistent CI and developer environments. This change reduces variability across environments and speeds up new contributor onboarding. No major bugs fixed this month; efforts centered on architectural improvements and maintainability.

Activity

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Quality Metrics

Correctness90.0%
Maintainability90.0%
Architecture90.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++NixVerilog

Technical Skills

Build System ConfigurationDependency ManagementLexer DevelopmentParser DevelopmentSystemVerilogVerilog Parsing

Repositories Contributed To

2 repos

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

The-OpenROAD-Project/OpenROAD

Feb 2025 Feb 2025
1 Month active

Languages Used

Nix

Technical Skills

Build System ConfigurationDependency Management

YosysHQ/yosys

May 2025 May 2025
1 Month active

Languages Used

C++Verilog

Technical Skills

Lexer DevelopmentParser DevelopmentSystemVerilogVerilog Parsing