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Mikail Khona (NVIDIA)

PROFILE

Mikail Khona (nvidia)

Contributed to NVIDIA/Megatron-LM by engineering a dynamic step batch size scheduling feature, replacing the previous ramp-up approach to enable more flexible and scalable batch management during distributed deep learning training. This work involved updating Python-based configuration files, training scripts, and microbatch calculation logic to support step-based schedules, facilitating easier experimentation and deployment. Additionally, addressed a critical bug in mixed-precision training by ensuring input tensors and biases are upcast to match fp32 residuals, preserving numerical precision and preventing pipeline parallel communication hangs. Leveraged expertise in PyTorch, CUDA, and transformer architectures to enhance both training stability and model scalability.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
1,058
Activity Months2

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

Monthly work summary for 2026-04 focused on Megatron-LM feature delivery and engineering improvements. Delivered Dynamic Step Batch Size Scheduling for Training, replacing the previous ramp-up batch size approach. This new mechanism enables more flexible and scalable batch management during training, potentially boosting model performance and scalability. Includes updates to configuration files, training scripts, and the underlying microbatch calculation logic. All work includes alignment with PR #3779 and collaborative contributions.

February 2026

1 Commits

Feb 1, 2026

February 2026 monthly summary for NVIDIA/Megatron-LM. Delivered a critical bug fix improving numerical precision in mixed-precision training by correcting how fp32 residuals are handled. The change upcasts the input x and bias to match the residual's dtype, preserving precision across layers, which helps prevent pipeline parallel communication hangs and enhances accuracy of the residual stream across distributed training.

Activity

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Quality Metrics

Correctness100.0%
Maintainability80.0%
Architecture90.0%
Performance80.0%
AI Usage40.0%

Skills & Technologies

Programming Languages

CUDAPythonYAML

Technical Skills

Batch ProcessingDeep LearningDistributed SystemsMachine LearningMixed Precision TrainingPyTorchPythonTransformer Architecture

Repositories Contributed To

1 repo

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

NVIDIA/Megatron-LM

Feb 2026 Apr 2026
2 Months active

Languages Used

CUDAPythonYAML

Technical Skills

Deep LearningMixed Precision TrainingPyTorchTransformer ArchitectureBatch ProcessingDistributed Systems