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Katarzyna Fojcik

PROFILE

Katarzyna Fojcik

Developed advanced long-context processing features for the vllm-gaudi repositories, focusing on efficient attention mechanisms and memory optimization for Gaudi hardware. Delivered chunked attention support by introducing explicit metadata and bias-management logic, enabling scalable handling of longer sequences in PyTorch-based deep learning models. Enhanced backend stability by implementing an edge-bucket strategy, simplifying bucket generation and reducing out-of-memory risks for long-context queries. Coordinated cross-repository integration and code reviews between vllm-project/vllm-gaudi and red-hat-data-services/vllm-gaudi, aligning performance improvements and maintainability. Demonstrated expertise in Python, neural networks, and algorithm optimization, with a focus on robust, high-performance backend development for machine learning workloads.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

3Total
Bugs
1
Commits
3
Features
2
Lines of code
288
Activity Months2

Work History

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary focused on performance optimization and stability for long-context processing in two Gaudi-enabled VLLM repos. Delivered edge-bucket strategies that simplify and stabilize bucketing for long contexts, aligning across repos and reducing risk of OOM and regressions.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026: Delivered Chunked Attention for Long Sequences in HPU for vllm-gaudi, enabling longer-context processing with better performance and scalability on Gaudi hardware. Implemented chunked attention metadata and bias-management logic and integrated via a cherry-picked patch adapted to recent changes (commit 7e97f2259667303557b39776fb6e817af2b18d7a) in line with PR 526. No major bugs were reported this month; the focus was on delivering a robust feature with clear business value, improved throughput for long-sequence workloads, and better resource utilization. Demonstrates expertise in HPC attention modeling, Gaudi/HW optimization, and patch-based integration across repositories.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage40.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

Deep LearningMachine LearningNeural NetworksPyTorchalgorithm designalgorithm optimizationbackend developmentperformance optimizationperformance tuning

Repositories Contributed To

2 repos

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

vllm-project/vllm-gaudi

Jan 2026 Feb 2026
2 Months active

Languages Used

Python

Technical Skills

Deep LearningMachine LearningNeural NetworksPyTorchalgorithm designbackend development

red-hat-data-services/vllm-gaudi

Feb 2026 Feb 2026
1 Month active

Languages Used

Python

Technical Skills

algorithm optimizationbackend developmentperformance tuning