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Carlos Bustamante Horta

PROFILE

Carlos Bustamante Horta

Over a six-month period, contributed to the AI-Hypercomputer/tpu-recipes and maxtext repositories by developing and documenting scalable training and deployment workflows for large language models on Cloud TPU and GKE infrastructure. Delivered feature-rich pretraining and inference recipes for models such as Llama 3.1 and Gemma3-12B, emphasizing reproducibility, configurability, and onboarding efficiency. Enhanced repository governance with clear licensing and contribution guidelines, and improved documentation with performance metrics and setup instructions. Leveraged Python, Bash, and Kubernetes to automate model configuration, streamline deployment, and enable reproducible benchmarking, supporting both experimentation and production readiness across diverse TPU cluster topologies and precision settings.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

11Total
Bugs
0
Commits
11
Features
7
Lines of code
11,456
Activity Months6

Work History

June 2026

1 Commits • 1 Features

Jun 1, 2026

June 2026 monthly summary for AI-Hypercomputer/tpu-recipes focusing on governance, baseline repo setup, and deployment capabilities to enable reproducible Cloud TPU benchmarks and scalable collaboration.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025: Focused on TPU documentation improvements for Ironwood in the AI-Hypercomputer/tpu-recipes repo, delivering clearer performance metrics and readability enhancements to support benchmarking and decision-making. No major bugs fixed this month; improvements centered on documentation quality, data presentation, and developer onboarding.

November 2025

5 Commits • 1 Features

Nov 1, 2025

Month: 2025-11 — Delivered a comprehensive Pretraining Recipe Suite for Ironwood infrastructure across GKE and TPU clusters, enabling reproducible experimentation for multiple LLM families with configurable topologies, precisions (bf16, fp8, XPK), and context lengths. Implemented and validated model-specific recipes across Llama3.1-70B, GPT-OSS-120B, DeepSeek3-671B, Llama3.1-405B, and Qwen3-235B-A22B. No major bugs reported; improved platform consistency, scalability, and automation for future experiments.

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for AI-Hypercomputer/tpu-recipes. Delivered targeted feature: Gemma3-12B Training Recipes and Multi-Slice TPU Configuration for v6e TPU instances, with setup instructions, shell scripts for 1/2/4 slices, READMEs, and per-configuration scripts. All changes committed in 6472c996cad7ef60454df09e97e9f032cecba065 with message 'Add recipes for Gemma3-12B on v6e'. Major bugs fixed: none reported. Overall impact: enables reproducible Gemma3-12B training at scale on TPU clusters, reducing onboarding and setup time, improving experimentation throughput and cost efficiency. Technologies/skills demonstrated: TPU v6e, multi-slice training, shell scripting, repository documentation, and Git-based change management.

July 2025

1 Commits • 1 Features

Jul 1, 2025

In 2025-07, delivered core capability to train Llama 3.1 models on TPU clusters by adding new training recipes for 8B/27B configurations across small v6e TPU clusters. Updated README and shell scripts to reflect latest dependencies, model configurations, and end-to-end training steps, enabling reproducible and scalable training pipelines on targeted TPU hardware. This work improves onboarding, accelerates experiments, and provides a solid foundation for production-ready Llama 3.1 training workflows.

June 2025

2 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for AI-Hypercomputer/maxtext. Delivered two feature updates focused on CLI consistency and deployment readiness, with clear owner-driven commits and direct business impact. No major bugs reported in this period. Overall, improvements reduce operational friction, improve model deployment reliability, and strengthen platform configurability for small-scale clusters.

Activity

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Quality Metrics

Correctness100.0%
Maintainability91.0%
Architecture100.0%
Performance91.0%
AI Usage47.2%

Skills & Technologies

Programming Languages

BashDockerfileMarkdownPythonShellbashmarkdown

Technical Skills

Cloud ComputingDeep LearningDockerKubernetesLLM TrainingMachine LearningMachine Learning EngineeringModel ConfigurationPythonPython DevelopmentTPU TrainingTPU optimizationbackend developmentbashcloud computing

Repositories Contributed To

2 repos

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

AI-Hypercomputer/tpu-recipes

Jul 2025 Jun 2026
5 Months active

Languages Used

MarkdownShellBashbashmarkdown

Technical Skills

Cloud ComputingDeep LearningLLM TrainingMachine LearningTPU TrainingMachine Learning Engineering

AI-Hypercomputer/maxtext

Jun 2025 Jun 2025
1 Month active

Languages Used

DockerfilePython

Technical Skills

DockerMachine LearningModel ConfigurationPythonPython Developmentbackend development