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Salome Thirot

PROFILE

Salome Thirot

Worked on performance-driven ARM NEON optimizations in the libsdl-org/aom repository, focusing on AV1 video encoding and decoding. Developed and refactored SIMD-accelerated loop filter and prediction paths, including high-bit-depth variants, to enhance throughput and maintainability on ARM devices. Ported optimization strategies from SVT-AV1, consolidating logic and removing redundant operations for improved efficiency. Emphasized code reuse, early exits, and optimized memory access, resulting in faster media processing and potential energy savings for mobile and embedded platforms. Utilized C, ARM NEON intrinsics, and low-level programming techniques, with all contributions centered on feature development and code quality rather than bug fixes.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

10Total
Bugs
0
Commits
10
Features
2
Lines of code
2,082
Activity Months2

Work History

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for developer work across repositories. Focused on delivering a high-impact feature in the aom library with measurable performance improvements, paired with maintainable code changes and clear documentation of the optimization work.

January 2025

9 Commits • 1 Features

Jan 1, 2025

Month 2025-01 summary for libsdl-org/aom: Delivered performance-focused ARM NEON optimizations for AV1, spanning loop filter and prediction paths. Implemented NEON improvements for aom_lpf_6/8/14, aom_lpf4, high-bit-depth variants, and cfl_predict_neon, with refactoring to improve code reuse, early exits, and optimized memory access. Ported and adapted optimization techniques from SVT-AV1 to accelerate ARM performance. No major bug fixes were recorded this month. Overall impact: enhanced encoding/decoding performance on ARM devices, enabling faster mobile/embedded media processing and potential energy efficiency gains. Improved maintainability through targeted refactoring and clearer performance characteristics. Technologies/skills demonstrated: ARM NEON intrinsics, SIMD optimization, cross-repo knowledge transfer (SVT-AV1), performance-driven development, and code refactoring for maintainability.

Activity

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Quality Metrics

Correctness93.0%
Maintainability86.0%
Architecture84.0%
Performance93.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C

Technical Skills

ARM NEON IntrinsicsAssembly (NEON intrinsics)DSP OptimizationLow-Level OptimizationLow-level OptimizationLow-level programmingPerformance OptimizationSIMD OptimizationVideo Codec OptimizationVideo Encoding

Repositories Contributed To

1 repo

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

libsdl-org/aom

Jan 2025 Oct 2025
2 Months active

Languages Used

C

Technical Skills

ARM NEON IntrinsicsAssembly (NEON intrinsics)DSP OptimizationLow-Level OptimizationLow-level OptimizationLow-level programming