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Mario Roy

PROFILE

Mario Roy

Developed and delivered a dynamic task scheduling feature for the sched-ext/scx repository, introducing time slice scaling based on task weight when native priority is set. This approach improved interactivity by preventing long time slices for high-priority tasks, thereby reducing latency in interactive workloads and enhancing fairness across processes. The implementation involved kernel development and system programming in C, leveraging concepts such as task weighting and time slice manipulation. Work included thorough documentation of the design and preparation for quality assurance rollout, focusing on validating behavior under diverse workloads. No major bugs were addressed, as efforts centered on robust feature delivery and groundwork.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
34
Activity Months1

Your Network

93 people

Work History

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for sched-ext/scx: Delivered Dynamic Task Scheduling Time Slice Scaling for Niceness, introducing dynamic scaling of task time slices by task weight when native priority is set to improve interactivity and prevent long slices for high-priority tasks. Implemented in sched-ext/scx with commit fb89f7d65861d4391bb2d23cf071e102bd4e96aa (scx_flash: Scale by task weight when native_priority is set). No major bugs fixed this month; focus remained on feature delivery and groundwork for broader rollout. Overall impact includes enhanced user-perceived responsiveness, improved fairness across tasks, and a foundation for adaptive scheduling. Technologies/skills demonstrated include kernel scheduling concepts, task weighting and time slice manipulation, C programming, Git/version control, and code review processes.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C

Technical Skills

Kernel DevelopmentPerformance OptimizationSystem Programming

Repositories Contributed To

1 repo

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

sched-ext/scx

Jul 2025 Jul 2025
1 Month active

Languages Used

C

Technical Skills

Kernel DevelopmentPerformance OptimizationSystem Programming