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Hiroshi Hatake

PROFILE

Hiroshi Hatake

Worked on cross-platform build and runtime enhancements for the fluent/fluent-bit and tschneidereit/wasm-micro-runtime repositories, focusing on Windows and ARM64 environments. Delivered a Windows encoding stability fix by introducing a Byte-Order-Mark in test assets, ensuring correct handling of cp932/Shift-JIS characters by the cl.exe toolchain and improving CI reliability. Added architecture-aware build flags to enable WebAssembly support on Windows x86/x64 while maintaining ARM64 compatibility. Implemented ARM64 Windows armasm64 support for native WebAssembly runtime calls, wiring new assembly code paths and CMake configuration. Utilized C, Assembly, and build system configuration to address low-level compatibility and deployment challenges.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

3Total
Bugs
1
Commits
3
Features
2
Lines of code
248
Activity Months3

Work History

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for tschneidereit/wasm-micro-runtime focusing on business value and technical achievements. Delivered ARM64 Windows armasm64 support for WebAssembly runtime native calls, enabling efficient native function invocation on Windows ARM64 and expanding deployment options.

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025: Delivered WebAssembly (WASM) support on Windows builds for fluent-bit, enabling WASM and WASM filtering on x86/x64 while preserving ARM64 compatibility. Implemented architecture detection to conditionally enable WASM build flags, expanding cross-platform capabilities and Windows deployment options. Change is tracked in fluent/fluent-bit with commit 35885ce712794b5fe472bea50893a3a21b216020 (build: Enable wasm and filter_wasm on x86_64 Windows).

February 2025

1 Commits

Feb 1, 2025

February 2025 monthly summary for fluent/fluent-bit focusing on reliability and cross-platform Windows support. The primary delivery was a Windows encoding stability fix implemented via a BOM in test assets to ensure cp932/Shift-JIS characters are correctly interpreted by the cl.exe toolchain, reducing Windows build failures and improving test determinism.

Activity

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Quality Metrics

Correctness83.4%
Maintainability80.0%
Architecture76.6%
Performance66.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

AssemblyCcmake

Technical Skills

ARM64 assemblyBuild SystemsCross-platform developmentInternationalizationLow-level programmingTestingWebAssembly runtime developmentbuild system configurationcross-platform development

Repositories Contributed To

2 repos

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

fluent/fluent-bit

Feb 2025 Sep 2025
2 Months active

Languages Used

Ccmake

Technical Skills

Build SystemsInternationalizationTestingbuild system configurationcross-platform development

tschneidereit/wasm-micro-runtime

Oct 2025 Oct 2025
1 Month active

Languages Used

Assembly

Technical Skills

ARM64 assemblyCross-platform developmentLow-level programmingWebAssembly runtime development