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Kristijan Mitrovic

PROFILE

Kristijan Mitrovic

Kristina Mitrovic developed and maintained robust testing and CI/CD infrastructure for the tenstorrent/tt-xla repository, focusing on automation, reliability, and integration with evolving dependencies. She expanded test coverage for JAX NumPy operations and PyTorch models, modernized the test framework, and streamlined device management to reduce runtime complexity. Using Python, C++, and GitHub Actions, Kristina refactored test suites for parameterization, introduced custom pytest markers, and improved build system configuration with CMake. Her work enabled faster feedback cycles, reduced regression risk, and improved release readiness, supporting both developer velocity and production stability through comprehensive validation and efficient CI workflows.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

27Total
Bugs
5
Commits
27
Features
12
Lines of code
6,535
Activity Months6

Work History

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly work summary for tenstorrent/tt-xla focusing on test coverage and robustness for JAX NumPy operations. Key work included expanding automated tests across atan2, reverse, and bitwise ops, across multiple shapes, to validate correctness in tt-xla and reduce production risk. This work strengthens deployment confidence and supports faster release cycles through regression safety.

March 2025

7 Commits • 2 Features

Mar 1, 2025

March 2025 — tenstorrent/tt-xla delivered CI stabilization, targeted model testing enhancements, and model categorization improvements that directly improve reliability, developer productivity, and resource efficiency. The team focused on making nightly CI more stable, reducing noise from flaky tests, and enabling faster validation of model-related changes. Business value was realized through more reliable nightly feedback loops, clearer model taxonomy, and CI safeguards that preserve throughput under constrained resources.

February 2025

4 Commits • 2 Features

Feb 1, 2025

February 2025: Focused on strengthening testing reliability and CI/CD efficiency for tenstorrent/tt-xla. Delivered two feature enhancements: (1) Enhanced test infrastructure and coverage for model/operation tests, including detailed metadata capture, test refactors, and expanded scalar/dtype/rank coverage; (2) CI/CD workflow improvements with custom pytest markers and a consolidated test execution strategy. No major bugs fixed this month; the work reduced regression risk and shortened pipeline runtimes, enabling faster validation of model/operation correctness. These efforts improve product quality and release confidence in production. Key technologies used: Python, PyTest (custom markers), pytest.ini, GitHub Actions, test metadata, cross-type tensor validation.

January 2025

5 Commits • 2 Features

Jan 1, 2025

January 2025: Advanced the reliability and impact of the testing pipeline for tenstorrent/tt-xla by delivering two major feature streams and enabling uplift readiness, with a focus on business value and long-term maintainability.

December 2024

4 Commits • 2 Features

Dec 1, 2024

Month: 2024-12 — Delivered runtime API and execution submission enhancements along with a major testing infrastructure overhaul for tenstorrent/tt-xla. Achievements focused on reducing runtime complexity, improving test reliability, and stabilizing CI, translating to faster iteration, lower integration risk, and clearer ownership of device management.

November 2024

6 Commits • 3 Features

Nov 1, 2024

Month: 2024-11. Focused on strengthening testing, CI/CD automation, and build/compatibility across core repositories tenstorrent/tt-xla and tenstorrent/tt-torch. Delivered concrete test improvements, stabilized CI/CD workflows, and aligned with newer tt-mlir versions to reduce integration risk. Business value includes faster feedback cycles, higher release readiness, and cross-repo quality improvements that support reliability and developer velocity.

Activity

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Quality Metrics

Correctness83.0%
Maintainability85.6%
Architecture77.8%
Performance67.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++CMakeINIPythonShellYAML

Technical Skills

AutomationBuffer ManagementBuild SystemBuild System ConfigurationBuild SystemsC++CI/CDCMakeCode OrganizationDebuggingDependency ManagementEnumGitHub ActionsInfrastructureInfrastructure Development

Repositories Contributed To

2 repos

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

tenstorrent/tt-xla

Nov 2024 Jun 2025
6 Months active

Languages Used

CMakePythonShellYAMLC++INI

Technical Skills

AutomationBuild System ConfigurationCI/CDGitHub ActionsPytestRefactoring

tenstorrent/tt-torch

Nov 2024 Nov 2024
1 Month active

Languages Used

Python

Technical Skills

PyTorchPytestTesting

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