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Alban Desmaison

PROFILE

Alban Desmaison

Alban Des developed reliability-focused improvements for PyTorch projects, addressing critical issues in gradient computation and benchmarking workflows. In pytorch-labs/monarch, he fixed gradient propagation order logic to handle cases where next_functions lacked GradientEdge, ensuring correct gradient flow and reducing downstream training errors. For pytorch/benchmark, he enhanced TorchBenchmarkRunner by replacing assertion-based checks with explicit exceptions and introducing strict batch-size validation, preventing invalid inputs from affecting benchmark results. His work, implemented in Python and leveraging expertise in autograd, error handling, and software testing, demonstrated careful debugging and cross-repository collaboration, resulting in more stable production pipelines and trustworthy performance metrics.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

3Total
Bugs
2
Commits
3
Features
0
Lines of code
118
Activity Months2

Your Network

2881 people

Same Organization

@meta.com
2690

Shared Repositories

191

Work History

February 2026

2 Commits

Feb 1, 2026

February 2026 monthly summary focusing on reliability and correctness for benchmarks in pytorch/benchmark. Delivered robust error handling in TorchBenchmarkRunner by converting assertion-based checks to explicit exceptions and adding strict batch-size validation to ensure benchmarks only run with correct input sizes. Completed two commits across the benchmark workflow and initiated tests to validate changes, improving stability and trust in performance results. Cross-repo collaboration linked to PyTorch PRs #174213 and #174215; maintained code quality through reviews and approvals.

August 2025

1 Commits

Aug 1, 2025

August 2025: Focused on reliability and correctness of gradient propagation in pytorch-labs/monarch. Delivered a critical bug fix to ensure correct gradient_generation_order when next_functions does not contain GradientEdge, preventing incorrect gradient propagation and related errors. The fix was implemented in commit 3db8984b0db56f77730fb875648d905fe5970a24 with the message 'Fix mornarch gradient generation order (#853)'. This work improved training stability for Monarch-powered models, reduced downstream failures, and strengthened user trust in production pipelines.

Activity

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Quality Metrics

Correctness86.6%
Maintainability80.0%
Architecture80.0%
Performance73.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

AutogradError HandlingGradient ComputationPythonSoftware EngineeringSoftware Testingbenchmarkingtesting

Repositories Contributed To

2 repos

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

pytorch/benchmark

Feb 2026 Feb 2026
1 Month active

Languages Used

Python

Technical Skills

Error HandlingPythonSoftware Testingbenchmarkingtesting

pytorch-labs/monarch

Aug 2025 Aug 2025
1 Month active

Languages Used

Python

Technical Skills

AutogradGradient ComputationSoftware Engineering