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Wei Wang (Server LLVM)

PROFILE

Wei Wang (server Llvm)

Wangwei worked on the facebook/buck2-prelude repository, focusing on improving distributed build reliability by addressing a bug in the handling of LTO build outputs. Using Starlark and leveraging expertise in build system configuration and distributed systems, Wangwei implemented a solution that ensures correct directory structures for link-group outputs by utilizing output.short_path, which organizes argsfiles and meta files more predictably. Additionally, Wangwei removed a duplicate plan output in the cxx_gnu_dist_link path, reducing the risk of mis-declarations and improving build determinism. The changes were delivered in two concise commits, allowing for straightforward code review and continuous integration validation.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
0
Lines of code
19
Activity Months1

Work History

September 2025

2 Commits

Sep 1, 2025

September 2025 monthly summary for facebook/buck2-prelude: Delivered a targeted bug fix addressing distributed LTO build outputs, improving correctness, reliability, and output organization. Implemented use of output.short_path for link-group outputs to ensure proper directory structure for argsfiles and meta files, and removed a duplicate plan output to prevent mis-declarations in the cxx_gnu_dist_link path. This work reduces build failures and simplifies debugging in distributed builds. Changes were implemented with a minimal surface-area in two commits, enabling clean code review and CI validation.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

Starlark

Technical Skills

Build System ConfigurationBuild SystemsCompiler ToolchainsDistributed Systems

Repositories Contributed To

1 repo

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

facebook/buck2-prelude

Sep 2025 Sep 2025
1 Month active

Languages Used

Starlark

Technical Skills

Build System ConfigurationBuild SystemsCompiler ToolchainsDistributed Systems

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