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Yoav Kopfstein

PROFILE

Yoav Kopfstein

Worked on the intel/pti-gpu repository to deliver advanced kernel filtering capabilities in the Unitrace profiling tool. Developed features in C++ and Python that allow users to include or exclude specific kernels by name, supporting both command-line and file-based options. Enhanced the filtering system to handle quoted strings and kernel names containing commas, improving usability and reducing user error in complex scenarios. Updated documentation and unit tests to reflect these changes, ensuring cross-platform reliability and clear usage guidance. The work focused on robust parsing, demangled kernel name support, and code quality improvements, enabling more precise and efficient GPU performance analysis workflows.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
2
Lines of code
661
Activity Months2

Work History

January 2026

1 Commits • 1 Features

Jan 1, 2026

Month: 2026-01 Summary: Delivered a key feature for intel/pti-gpu that enhances filtering usability by supporting quoted strings and commas within kernel names. Introduced a new parsing method to correctly handle double-quoted arguments, resulting in more reliable and accurate filtering results. The change is captured in commit 05bd3baae24586b7601fba374338bae3b1e8529a and PR #774, which also includes minor polish (typo and alignment fixes).

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for intel/pti-gpu focusing on delivering kernel filtering in Unitrace to improve profiling precision and efficiency, with supporting docs, tests, and cross-platform robustness.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage40.0%

Skills & Technologies

Programming Languages

C++MarkdownPython

Technical Skills

C++ developmentDocumentationPython scriptingUnit testingdocumentationsoftware engineering

Repositories Contributed To

1 repo

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

intel/pti-gpu

Dec 2025 Jan 2026
2 Months active

Languages Used

C++PythonMarkdown

Technical Skills

C++ developmentDocumentationPython scriptingUnit testingdocumentationsoftware engineering