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Grzegorz Wawiorko

PROFILE

Grzegorz Wawiorko

Grzegorz Wawiorko enhanced test infrastructure and device management for Intel’s GPU software stack, focusing on the oneapi-src/level-zero-tests and intel/compute-runtime repositories. He expanded stress and performance testing for Level Zero immediate command lists using C++ and OpenCL, refining test logic to better capture command list and queue interactions under varied conditions. Grzegorz also extended scratch space test coverage to exercise higher register usage, supporting more robust kernel validation. In compute-runtime, he addressed conformance version reporting, ensuring device capabilities accurately reflect tested standards. His work demonstrated depth in low-level programming, API testing, and compute kernel development, improving reliability and test coverage.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

3Total
Bugs
1
Commits
3
Features
2
Lines of code
2,927
Activity Months3

Work History

May 2025

1 Commits • 1 Features

May 1, 2025

Month: 2025-05. Key achievements and impact for oneapi-src/level-zero-tests: - Feature delivered: Scratch Space Test Enhancement to extend the scratch space test size from 256 to 1280 in both the OpenCL kernel file and the accompanying C++ test to exercise a larger number of registers in scratch space. Commit involved: 6e8ed999aef85eed10de68c5516a2ff3fba1c7e1 (test_cmdlist: extend number of registers in scratch space test, #208). - Major bugs fixed: none reported this month. - Overall impact and accomplishments: Expanded test coverage for register pressure scenarios, enabling earlier detection of issues related to scratch space usage and helping ensure stability for kernel workloads under higher register usage. This directly supports safer releases and longer-term performance reliability. - Technologies/skills demonstrated: OpenCL, C++, test infrastructure improvements, robust regression testing, precise commit hygiene and traceability.

April 2025

1 Commits

Apr 1, 2025

April 2025 monthly recap for intel/compute-runtime: Delivered a critical bug fix to ensure accurate conformance version reporting in device capabilities. The fix updates CL_DEVICE_LATEST_CONFORMANCE_VERSION_PASSED to reflect the most recently tested conformance version, aligning device capabilities output with testing results. The change was validated through device capabilities tests and CI-backed verification, improving reliability of test results and reducing customer confusion. Maintained code quality and readiness for upcoming integration cycles by ensuring tests pass and changes are well-documented.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025 — Consolidated test coverage for Level Zero immediate command lists in oneapi-src/level-zero-tests. Delivered extended stress testing, refined test parameters and logic to cover command list and queue interactions under varied conditions, and fixed related test issues, significantly improving robustness and correctness of the Level Zero driver command list management. This strengthens CI feedback, reduces regression risk in driver development, and supports higher-quality releases.

Activity

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Quality Metrics

Correctness96.6%
Maintainability93.4%
Architecture93.4%
Performance93.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++OpenCL

Technical Skills

API TestingC++Compute Kernel DevelopmentDevice ManagementLow-Level API TestingLow-Level ProgrammingLow-level ProgrammingPerformance TestingStress TestingTestingUnit Testing

Repositories Contributed To

2 repos

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

oneapi-src/level-zero-tests

Mar 2025 May 2025
2 Months active

Languages Used

C++OpenCL

Technical Skills

API TestingC++Low-Level ProgrammingStress TestingUnit TestingCompute Kernel Development

intel/compute-runtime

Apr 2025 Apr 2025
1 Month active

Languages Used

C++

Technical Skills

Device ManagementLow-level ProgrammingTesting

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