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Bartosz Kokoszko

PROFILE

Bartosz Kokoszko

During a two-month period, Bartosz Kokoszko contributed to the intel/torch-xpu-ops repository by enhancing XPU support and improving reliability for deep learning workflows. He implemented Transformer encoder fast-path support for XPU devices using C++ and Python, enabling better performance and compatibility. Bartosz addressed critical issues such as integer overflow in upsampling kernels by updating global_range types and fixed 64-bit indexing in nearest2d operations to support large tensors. He also stabilized the test suite with PyTorch requires_grad semantics and multi-XPU bindings, demonstrating depth in GPU programming, device management, and test automation while ensuring robust, maintainable code for XPU hardware.

Overall Statistics

Feature vs Bugs

25%Features

Repository Contributions

10Total
Bugs
3
Commits
10
Features
1
Lines of code
155
Activity Months2

Work History

April 2026

9 Commits • 1 Features

Apr 1, 2026

April 2026 accomplishments for intel/torch-xpu-ops focused on expanding XPU compatibility, stabilizing the test suite, and reinforcing CI reliability. Key deliverables include Transformer XPU fast-path support enabling XPU as a fast path device in the Transformer encoder, a 64-bit indexing fix in nearest2d channels-last kernels to prevent overflow on large tensors, and comprehensive test infrastructure updates to reflect PyTorch requires_grad semantics, skip unsupported XPU features, and support multi-XPU bindings. These changes improve performance potential on XPU hardware, reduce CI flakiness, and align tests with current PyTorch behavior.

March 2026

1 Commits

Mar 1, 2026

March 2026 monthly summary: Focused on stability and robustness in UpSample path within intel/torch-xpu-ops. No new user-facing features deployed this month; primary work centered on a critical bug fix to ensure correctness and reliability of upsampling on XPU operations, enabling more dependable model inference and training workflows.

Activity

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Quality Metrics

Correctness100.0%
Maintainability92.0%
Architecture92.0%
Performance92.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++Python

Technical Skills

C++ DevelopmentCUDADeep LearningGPU ProgrammingGPU programmingMachine LearningPerformance OptimizationPerformance optimizationPyTorchPythonPython developmentSYCLXPU developmentdevice managementsoftware testing

Repositories Contributed To

1 repo

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

intel/torch-xpu-ops

Mar 2026 Apr 2026
2 Months active

Languages Used

C++Python

Technical Skills

C++ DevelopmentGPU ProgrammingPerformance OptimizationCUDADeep LearningGPU programming