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Marc-André Moreau

PROFILE

Marc-andré Moreau

Worked on the microsoft/winget-cli repository to deliver two features focused on improving concurrent performance and security. Developed an optimistic locking mechanism for packaged source access in C++, using timer-based performance measurement to minimize lock contention and accelerate access for concurrent users. Additionally, implemented an optimization for access-control list propagation, ensuring that ACLs are only applied when necessary and maintaining a fail-closed security model. These enhancements reduced unnecessary processing and improved throughput for preindexed sources. The work demonstrated strong skills in concurrent programming, system programming, and performance optimization, with careful attention to preserving security guarantees while increasing operational efficiency.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
2
Lines of code
701
Activity Months1

Work History

April 2026

2 Commits • 2 Features

Apr 1, 2026

Concise monthly summary for 2026-04 focusing on microsoft/winget-cli developments. Implementations emphasize concurrency-aware optimizations to improve performance of packaged source access and ACL handling. The changes deliver measurable reductions in lock contention and unnecessary ACL processing, while preserving security guarantees and producing faster, more scalable operations for concurrent users.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance90.0%
AI Usage40.0%

Skills & Technologies

Programming Languages

C++

Technical Skills

C++ developmentconcurrent programmingperformance optimizationsecuritysystem programmingtesting

Repositories Contributed To

1 repo

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

microsoft/winget-cli

Apr 2026 Apr 2026
1 Month active

Languages Used

C++

Technical Skills

C++ developmentconcurrent programmingperformance optimizationsecuritysystem programmingtesting