emscripten-core/emscripten
Jun 2025 – Jun 2025
1 Month active
Languages Used
CC++
Technical Skills
Code CoverageCompiler DevelopmentLLVMProfile Guided Optimization (PGO)Runtime Libraries
arsnyder16
PROFILE
Arsnyder16
In June 2025, Alex Snyder developed code coverage mapping support for the emscripten-core/emscripten repository, focusing on enhancing testability and performance analysis. Alex integrated the LLVM compiler-rt profiling library and enabled both -fprofile-instr-generate and -fcoverage-mapping flags, allowing for detailed, source-based code coverage in C and C++ projects. By introducing new runtime library sources to collect and manage profile data, Alex established a robust foundation for actionable, data-driven testing and optimization. This work demonstrated depth in compiler development and profile guided optimization, addressing the need for comprehensive coverage analysis across the emscripten toolchain without introducing bug fixes.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
1Total
Bugs
0
Commits
1
Features
1
Lines of code
7,424
Activity Months1
Your Network
89 people
Work History
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025: Delivered Code Coverage Mapping Support for emscripten by integrating the LLVM compiler-rt profiling library. Implemented source-based code coverage with new C/C++ sources to collect and manage profile data, and enabled -fprofile-instr-generate and -fcoverage-mapping for detailed coverage analysis. This establishes an actionable, data-driven basis for testing and performance optimization across the toolchain.
1 Commits • 1 Features
Jun 1, 2025June 2025: Delivered Code Coverage Mapping Support for emscripten by integrating the LLVM compiler-rt profiling library. Implemented source-based code coverage with new C/C++ sources to collect and manage profile data, and enabled -fprofile-instr-generate and -fcoverage-mapping for detailed coverage analysis. This establishes an actionable, data-driven basis for testing and performance optimization across the toolchain.
June 2025
Activity
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Quality Metrics
Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance60.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++
Technical Skills
Code CoverageCompiler DevelopmentLLVMProfile Guided Optimization (PGO)Runtime Libraries
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