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Vladan Kovacevic

PROFILE

Vladan Kovacevic

Vladimir Kovacevic developed and maintained advanced performance benchmarking infrastructure across the tenstorrent/tt-forge and tenstorrent/tt-xla repositories, focusing on reliable evaluation of machine learning models on Tenstorrent hardware. He engineered unified benchmarking frameworks for vision, LLM, and embedding models, integrating Python and C++ for robust data processing and reporting. His work included CI workflow automation, dependency management, and artifact serialization, ensuring reproducible results and streamlined debugging. By implementing features like multi-chip benchmarking, device-level metrics, and regression testing, Vladimir enabled accurate, cross-model performance analysis. His contributions demonstrated technical depth in MLIR, PyTorch, and CI/CD, resulting in maintainable, production-ready benchmarking systems.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

102Total
Bugs
11
Commits
102
Features
43
Lines of code
29,587
Activity Months15

Work History

March 2026

2 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary focused on tt-xla performance benchmarking reliability. Delivered enhancements to the performance regression testing framework and the reporting workflow to ensure accurate benchmarking of ML models and reliable performance data across jobs. Implemented fixes to enable perf regression tests and added mechanisms to always include config fields in perf reports, preserving results even when later runs fail. This work enabled cross-model benchmarking coverage across Llama3.2 1B, Resnet, UFLDv2, BERT, and Qwen3 14B across multiple runs.

February 2026

12 Commits • 5 Features

Feb 1, 2026

February 2026 (2026-02) performance and development summary across four repositories. The month delivered measured improvements in performance benchmarking, flexible model loading, KV cache handling, and CI reliability, with a strong focus on business value and technical rigor.

January 2026

7 Commits • 3 Features

Jan 1, 2026

January 2026 — Tenstorrent tt-forge: Delivered stable performance benchmarking environment, expanded multi-chip and vision benchmarks, and strengthened CI governance. Key commits underpinning these outcomes include dependency consolidation and environment fixes (1b916e9, a41de31, b66d43e), benchmark suite enhancements for LLM multi-chip and vision (24c5cdd, fa9b95a), and CI/ownership improvements (bdf2d2a, afd09a7). Major bugs fixed include a device-perf run failure caused by a pandas version drift resolved by pinning pandas to 2.3.3. Overall impact: more reliable benchmarks, faster feedback loops, and clearer ownership, enabling data-driven performance optimizations and lower risk for production deployments. Technologies demonstrated: Python packaging and dependency management, benchmark design and refactor, CI workflow optimization, and cross-repo governance.

December 2025

8 Commits • 3 Features

Dec 1, 2025

December 2025: Focused on unifying benchmarking across models, stabilizing CI device performance metrics, and tightening dependency compatibility to improve reliability and speed of optimization decisions. Delivered a cohesive benchmarking framework for vision models, LLMs, and embeddings; enhanced CI diagnostics and data capture for device performance; and aligned dependencies to resolve conflicts in torchvision/tt-xla. Expanded encoder benchmarks to include BERT and Qwen3-embedding-4B, with improvements to debugging workflows and traceability.

November 2025

22 Commits • 7 Features

Nov 1, 2025

Month 2025-11 performance summary across tt-forge, tt-mlir, and tt-forge-models: Delivered broad benchmarking coverage, stability enhancements, and CI improvements. Expanded the benchmarking model suite with Falcon3-1B/3B, YOLOv11n, Swin, Ultra-Fast-Lane-Detection, and Qwen LMs, with CI validation runs. Enabled LLM multi-IR dumping to support multiple TTIR/TTNNs for workloads. Introduced module dump/encoding export_path to standardize IR dumps and improve data organization. Refined performance metrics and evaluation practices by excluding initial operations from CSVs and lowering PCC thresholds for LLMs. Upgraded dependencies (tt_forge_models, requirements) and benchmarking infra, including MNIST integration and ResNet/JAX fixes, plus stability improvements for UNet and Optimizer conv slicing. These efforts increased benchmark coverage, reliability, and business insight while reducing CI churn and enabling faster performance-driven decisions.

October 2025

9 Commits • 4 Features

Oct 1, 2025

October 2025 monthly summary for tenstorrent/tt-forge focused on strengthening benchmarking reliability, expanding cross-model metrics, and improving visibility into artifacts to accelerate debugging and model iteration. Key deliveries include PCC benchmarking across models, stability fixes for JAX/ResNet benchmarks, serialization of TTIR/TTNN artifacts, nightly-build compatibility updates, and direct device performance data integration. These efforts reduce benchmarking noise, enable faster cross-model comparisons, and improve reproducibility of results for business and technical stakeholders.

September 2025

4 Commits • 2 Features

Sep 1, 2025

September 2025 monthly performance summary for tenstorrent/tt-forge. Focused on delivering measurable business value through benchmarking improvements and expanded performance coverage on Tenstorrent hardware. Key accomplishments include refactoring benchmarking utilities for torch-xla, standardizing outputs, improved model information logging, governance enhancements through CODEOWNERS update, and introduction of new performance benchmarks for ViT, SegFormer, and YOLO models with tt backend, along with CI updates.

August 2025

12 Commits • 4 Features

Aug 1, 2025

Performance-focused delivery for Aug 2025 across tenstorrent/tt-torch and tt-forge emphasizing profiling readiness, benchmarking breadth, and CI/reporting reliability. Delivered structured output formats, expanded model benchmarks, improved loading paths, and enhanced artifact reporting. No explicit critical bugs fixed in this period; rather, reliability improvements in CI workflows and reporting pipelines reduced flakiness and improved traceability. The resulting capabilities enable faster profiling, more representative performance comparisons, and streamlined CI validation for performance work.

July 2025

5 Commits • 3 Features

Jul 1, 2025

July 2025 monthly summary focusing on business value and technical achievements across tt-forge and tt-forge-fe. Key features delivered include device-level performance benchmarking, CI workflow optimization, and comprehensive benchmarking documentation. Impact includes improved performance visibility, faster CI cycles, and better developer onboarding.

June 2025

11 Commits • 6 Features

Jun 1, 2025

June 2025 performance highlights focused on expanding benchmarking capabilities, stabilizing benchmark runs, and extending cross-project coverage across the tt-forge and tt-forge-fe ecosystems. The work delivered concrete model benchmarks for industry-grade networks, improved stability and data handling in the benchmark pipeline, and introduced richer tooling for CI and experiment management. This directly enables faster, more reliable performance assessments and data-driven optimizations for model deployment.

May 2025

4 Commits • 1 Features

May 1, 2025

May 2025 performance summary for tenstorrent/tt-mlir: Delivered critical testing enhancements, stability fixes, and naming refactors that strengthen production readiness and data reliability. Key outcomes include expanded ResNet50 testing coverage with a module2 test and a rename from InputLayoutOverride to InsertMemReconfig to clarify future input layout override features; fixed performance data loading by correcting location data parsing in tracy_ops_data.csv and adding a guard in mlir.py to prevent malformed data; prevented runtime errors by skipping conv2d activation deallocation when deallocate_activation is overridden, with an accompanying test and verifier. These changes improve data accuracy in the performance explorer, reduce runtime risks, and demonstrate proficiency in Python, MLIR, test automation, and performance data handling.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025: Delivered end-to-end Conv2d configuration override capability across the backend pipeline and explorer for tt-mlir. Implemented CLI-based overrides integrated into the ttir-to-ttnn-backend-pipeline via the LegalLayoutAnalysis pass for fine-grained Conv2d control. Explorer-based overrides ensure Conv2dConfig attributes are present with defaults or user-defined values, supported by Python bindings and parsing to facilitate overrides through the explorer interface. This work enhances configurability, reproducibility, and deployment-time performance tuning for Conv2d workloads.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for tenstorrent/tt-mlir focusing on UI enhancement for conv2d configuration editing in tt-explorer. This effort introduced Python bindings for parsing conv2d_config and exposed editable attributes within the explorer UI. The changes are UI-only and do not affect runtime execution, aimed at simplifying configuration workflows and accelerating experimentation.

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025: Focused improvements to the Explorer Graph in tenstorrent/tt-mlir to improve observability, correctness, and developer productivity. Delivered a new scheduling attribute for explorer graph operations and fixed an issue that caused duplicate operands in the graph, resulting in a cleaner, more reliable visualization and easier debugging. These changes provide tangible business value by clarifying operation ordering, reducing graph noise, and enabling faster root-cause analysis during performance/trace investigations.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 — Tenstorrent TT MLIR: Strengthened backend reliability through expanded test coverage for TTNN backend output layout overrides in tt-mlir. Focused on single and multiple output layout parameter overrides to verify optimizer behavior and catch regressions early. This work reduces risk for production pipelines and supports robust feature adoption.

Activity

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Quality Metrics

Correctness92.4%
Maintainability87.2%
Architecture87.6%
Performance84.6%
AI Usage26.4%

Skills & Technologies

Programming Languages

BashCC++JSONJinjaMLIRMarkdownNonePythonShell

Technical Skills

AIBackend DevelopmentBenchmark DevelopmentBenchmarkingBuild System ConfigurationC++C++ DevelopmentC++ developmentCI/CDCI/CD ConfigurationCode OrganizationCode RefactoringCode RenamingCommand-Line Interface (CLI)Compiler Configuration

Repositories Contributed To

6 repos

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

tenstorrent/tt-forge

Jun 2025 Feb 2026
9 Months active

Languages Used

MarkdownPythonYAMLBashShellJinjaJSONNone

Technical Skills

Benchmark DevelopmentBenchmarkingCI/CDCI/CD ConfigurationComputer VisionDeep Learning

tenstorrent/tt-mlir

Jan 2025 Feb 2026
7 Months active

Languages Used

MLIRPythonC++CYAML

Technical Skills

Backend DevelopmentMLIRTestingCompiler DevelopmentGraph OptimizationGraph Processing

tenstorrent/tt-xla

Feb 2026 Mar 2026
2 Months active

Languages Used

PythonYAML

Technical Skills

CI/CDContinuous IntegrationDevOpsDockerGitHub ActionsPerformance Testing

tenstorrent/tt-forge-fe

Jun 2025 Jul 2025
2 Months active

Languages Used

PythonShellYAMLMarkdown

Technical Skills

BenchmarkingCI/CDCI/CD ConfigurationMLIRModel IntegrationPerformance Benchmarking

tenstorrent/tt-forge-models

Nov 2025 Feb 2026
2 Months active

Languages Used

Python

Technical Skills

Computer VisionDeep LearningMachine LearningPyTorchModel DeploymentTransformers

tenstorrent/tt-torch

Aug 2025 Aug 2025
1 Month active

Languages Used

Python

Technical Skills

Backend DevelopmentCompiler DevelopmentPerformance Optimization