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Jan Malek

PROFILE

Jan Malek

Worked on verification infrastructure and CI/CD automation for the chipsalliance/i3c-core and chipsalliance/Cores-VeeR-EL2 repositories, focusing on test reliability, coverage reporting, and workflow efficiency. Delivered features such as standardized coverage data processing, automated dashboard integration, and resilient simulation retry logic using Python, Shell scripting, and YAML configuration. Enhanced test isolation and readability, reduced flaky test impact, and improved documentation delivery by integrating coverage dashboards directly into project docs. Addressed configuration management and design hierarchy issues to strengthen verification robustness. The work emphasized maintainable build systems, streamlined CI pipelines, and accurate feedback loops, supporting faster, more reliable hardware verification cycles.

Overall Statistics

Feature vs Bugs

90%Features

Repository Contributions

22Total
Bugs
1
Commits
22
Features
9
Lines of code
490
Activity Months7

Work History

May 2026

1 Commits

May 1, 2026

May 2026 focused on strengthening the reliability and accuracy of the i3c-core verification framework. Key changes centered on correcting queue handling in the design hierarchy tests to prevent misconfigurations from skewing results, thereby improving confidence in test outcomes and CI feedback. The work reinforces design-time robustness and reduces flaky behavior in automated verification for chipsalliance/i3c-core.

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026: Focused on test suite quality improvements for chipsalliance/i3c-core. Delivered a cleanup that renames and deduplicates a core test, changing 'mixed_valid_and_invalid_patterns' to 'rstact_csrs_read'. Commit reference: 1358871658fa78233067032fa29e3e366e9bd1dc. Impact: clearer test intent, reduced duplication, and lower CI noise, contributing to more reliable builds and faster feedback loops. No user-facing features this month; the primary value lies in test reliability and maintainability. Technologies/skills demonstrated: test automation and refactoring, Git/version-control discipline, and CI health optimization.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for chipsalliance/i3c-core: Delivered AXI Coverage Documentation Dashboards and updated the CI workflow to automatically copy and display AXI coverage results in the documentation. This improves visibility, traceability, and reduces manual steps in coverage reporting.

July 2025

2 Commits • 1 Features

Jul 1, 2025

Monthly summary for 2025-07 focusing on CI/CD automation and stable delivery for the chipsalliance/i3c-core project. Delivered enhancements to the CI workflow that reduce manual toil and increase reliability, enabling faster feedback and safer releases.

May 2025

5 Commits • 2 Features

May 1, 2025

2025-05 monthly summary for chipsalliance/i3c-core focused on strengthening verification infrastructure and test reliability. Implemented test configuration refactor to improve isolation and readability, standardized default verification configuration to axi, and enhanced test output with colorized results. Added robust simulation retry logic to reduce flaky CI runs. Overall, these changes decreased debugging time, increased CI reliability, and contributed to faster, more deterministic verification cycles.

April 2025

9 Commits • 3 Features

Apr 1, 2025

April 2025: Strengthened CI/CD and verification pipelines across chipsalliance/i3c-core and chipsalliance/Cores-VeeR-EL2. Delivered more reliable test execution, standardized coverage processing, and streamlined PR/docs deployment workflows, enabling faster feedback loops and clearer documentation delivery with reduced flaky-test impact.

March 2025

3 Commits • 1 Features

Mar 1, 2025

In March 2025, delivered a focused set of coverage data processing and dashboard pipeline enhancements for chipsalliance/Cores-VeeR-EL2. Replaced the custom split_info.py with info-process to standardize line/branch coverage extraction, enabled conditional coverage reporting for Verilator simulations to improve accuracy, and compressed coverage data to optimize embedding in the coverage dashboard. Additionally, adjusted coverview build/clone order to speed CI data transfer and processing. These changes reduce data footprint, improve visibility of coverage metrics in CI, and accelerate dashboard refresh times. Business value includes faster feedback loops for verification, more reliable Verilator coverage signals, and lower CI resource usage. Technologies/skills demonstrated include Python scripting, CI/CD automation, data compression, Verilator integration, and dashboard integration.

Activity

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Quality Metrics

Correctness88.2%
Maintainability88.2%
Architecture85.4%
Performance78.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashHJSONJavaScriptMakefilePythonShellYAML

Technical Skills

Build AutomationBuild System ConfigurationBuild SystemsCI/CDCode CoverageConfiguration ManagementGitHub ActionsHardware VerificationJavaScript DevelopmentMakefilePythonPython ScriptingScriptingShell ScriptingTest Automation

Repositories Contributed To

2 repos

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

chipsalliance/i3c-core

Apr 2025 May 2026
6 Months active

Languages Used

BashPythonMakefileShellYAMLHJSON

Technical Skills

CI/CDConfiguration ManagementPythonShell ScriptingVerificationBuild System Configuration

chipsalliance/Cores-VeeR-EL2

Mar 2025 Apr 2025
2 Months active

Languages Used

JavaScriptPythonShellYAML

Technical Skills

Build SystemsCI/CDCode CoverageJavaScript DevelopmentPython ScriptingScripting