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Xi Ruoyao

PROFILE

Xi Ruoyao

Over the past 19 months, contributed to core platform, toolchain, and kernel development across repositories such as AOSC-Dev/aosc-os-abbs and rust-lang/gcc. Focused on cross-architecture compatibility, security hardening, and build reliability, delivering features and fixes for LoongArch, RISC-V, and Linux systems. Leveraged C, Assembly, and Bash to implement low-level optimizations, compiler enhancements, and packaging improvements. Addressed complex issues in build systems, linker scripts, and runtime dispatch, while maintaining documentation and test coverage. Demonstrated depth in system programming, patch management, and release engineering, resulting in improved stability, maintainability, and performance for diverse hardware and deployment environments.

Overall Statistics

Feature vs Bugs

56%Features

Repository Contributions

105Total
Bugs
26
Commits
105
Features
33
Lines of code
95,259
Activity Months19

Your Network

2508 people

Work History

June 2026

1 Commits • 1 Features

Jun 1, 2026

June 2026 monthly summary for AOSC-Dev/aosc-os-abbs. Delivered a GCC 14.3.0-2 upgrade with backported patches and stability enhancements, including build-system and packaging improvements to reduce linking issues and improve compatibility. Implemented translation handling improvements for GCC 14 and performed hygiene changes to library paths and symlinks. Established patch-tracking workflow to streamline future GCC upgrades. Result: higher stability, fewer runtime/linking issues, and a clearer upgrade path for users and developers.

May 2026

7 Commits • 3 Features

May 1, 2026

May 2026 monthly summary for AOSC-OS ABBS focused on delivering feature updates, hardening security posture, and modernizing toolchains to improve stability, performance, and cross-architecture support. Key outcomes include: (1) AOSC component release update: aosc-aaa bumped to 13.2.0 with a refreshed build ID to reflect the new release; (2) GCC toolchain modernization: upgraded to gcc-15.2.0-7 with backported fixes for LoongArch SSP and WebKitGTK MIPS ICE, cross-compiler synchronization with Core 13.2.0, and the introduction of gcc-16.1.0 with runtime libraries and Debian standards improvements; multiple rebuilds executed to ensure compatibility; (3) glibc security fixes and LoongArch alignment: glibc updated to 2.42-5 with CVE mitigations and THP alignment enhancements; (4) Linux API and kernel interface improvements: Linux 6.18.32 installed with CPU frequency scaling enhancements and network driver improvements; (5) Process improvements: ongoing patch tracking (AOSC-Tracking) for reproducible builds and cross-repo alignment, laying groundwork for Core 14 evaluation and stronger Debian standards conformance.

April 2026

14 Commits • 6 Features

Apr 1, 2026

April 2026 performance summary: Strengthened security, reliability, and maintainability across AOSC-Dev repositories (AOSC-Dev/aosc-os-abbs, AOSC-Dev/autobuild4, curl/curl). Delivered critical CVE patches, cross-arch build fixes, and modernized the core toolchain with packaging and language upgrades to raise security posture, reduce maintenance burden, and improve deployment stability.

March 2026

5 Commits • 2 Features

Mar 1, 2026

March 2026 (2026-03) monthly summary for AOSC-Dev/aosc-os-abbs. Focused on stabilizing graphics/emulation workloads, improving PHP performance, and strengthening packaging reliability. Delivered three prioritized items with clear business value: stability for PPSSPP, performance/per Reliability via Redis integration, and memory-efficient PHP data handling via a new extension.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 focused on bootloader and kernel variant readiness for AOSC-Dev/aosc-os-abbs. Delivered Vanilla kernel variant support in the GRUB bootloader by updating GRUB to version 2.14-2 and implementing vanillarc variant handling so the boot menu recognizes and displays the variant for improved boot compatibility. The change is captured in commit 14c766d63a53d026fa9f26888bd08aad4721e7ef with the message: 'grub: update to 2.14-2 - Handle the vanillarc kernel variant.'

January 2026

6 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary for AOSC-Dev/aosc-os-abbs: Delivered targeted kernel driver stability enhancements for LoongGPU, improved upgrade reliability by sanitizing post-install and conffile handling, and fixed a critical file-copy edge case, resulting in a more robust and maintainable stack across supported Linux kernels and deployment workflows.

December 2025

5 Commits • 3 Features

Dec 1, 2025

December 2025 performance summary for AOSC-Dev/aosc-os-abbs. Delivered core platform updates across kernel, user-space libraries, and bootloader with improved stability, security, and hardware compatibility. Key features include: kernel build/config aligned with new kernel-build-common and Rust upgrade; GLib upgraded to 2.86.3 with security hardening configuration; LoongGPU kernel upgraded to 1.0.1~alpha~lnd25.5-11 with Linux 6.19 compatibility patches; GRUB build stability fix addressing GCC-15-related FTBFS in Core 13. These changes enhance maintainability, reduce security risk, and improve end-user hardware support.

November 2025

20 Commits • 5 Features

Nov 1, 2025

November 2025 monthly summary for AOSC-Dev/aosc-os-abbs: Delivered major platform updates and stabilization across kernel, architecture, security, graphics, and virtualization, with concrete version bumps and documentation improvements that enhance hardware compatibility, security posture, stability, and virtualization reliability.

October 2025

8 Commits • 2 Features

Oct 1, 2025

October 2025 monthly highlights focused on security posture, packaging flexibility, and cross-architecture build stability across AOSC-Dev and Linux RISCV. Implemented OpenSSL 3.5.4 maintenance, introduced standalone DirectX headers packaging, corrected packaging scripts, and improved DKMS/kernel compatibility with attention to 4KiB page sizes. Also added a compiler warnings workaround to keep builds green.

September 2025

6 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary focusing on stability improvements, build-system enhancements, and runtime capability dispatch for LoongArch. Key outcomes include correctness fixes in LoongArch code generation, test-suite compatibility adjustments, clearer compiler flag documentation, and runtime dispatch support enabling broader CPU compatibility and performance improvements.

August 2025

4 Commits

Aug 1, 2025

August 2025 monthly summary focusing on LoongArch-related fixes in rust-lang/gcc. Delivered correctness fixes for 16-byte atomic operations and stabilized compiler/test-suite handling for SIMD and constants, with expanded test coverage conditioned on hardware features. These changes improve atomic correctness, test reliability, and LoongArch stability, reducing regressions and supporting portable performance.

July 2025

5 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for rust-lang/gcc focusing on LoongArch code generation fixes and test-suite stabilization. Consolidated LoongArch-related improvements to improve correctness, test coverage, and CI stability, addressing ICEs and generation issues, and enabling broader test suite support.

June 2025

8 Commits • 1 Features

Jun 1, 2025

June 2025 performance highlights: Strengthened build reliability, broadened cross-architecture support, and aligned patches with upstream projects. Delivered internal build-system and dependency-management improvements in AOSC-Dev/aosc-os-abbs, updated WebKit components to 2.48.3 with LoongArch fixes, and added LoongArch compatibility work for Skia in WebKit, resulting in fewer build failures and expanded platform support for a growing set of architectures.

May 2025

2 Commits • 1 Features

May 1, 2025

Month: 2025-05 | Concise monthly summary focused on business value and technical achievements for rust-lang/gcc. Key features delivered: - LoongArch csrxchg constraint 'q' documented: Updated GCC docs (md.texi) to specify the constraint requiring general-purpose registers excluding r0 and r1, improving correctness and developer guidance. Commit: 9c621efd2c54879fe4e42eb4c48b11a38931e105. Major bugs fixed: - Fix live width refinement in ext-dce pass for SUBREG promotions: Prevents incorrect live mask reduction when truncation is not a no-op, addressing issue in PR 120050. Commit: 65f3a439c4f76fe780a30ac66969f51035c4bf98. Overall impact and accomplishments: - Improved correctness and reliability of the optimization pipeline for SUBREG promotions, reducing potential code-generation errors. - Enhanced target-specific documentation, supporting better maintainability and faster onboarding for LoongArch work. - Demonstrated collaboration between backend optimization work and documentation, aligning release-ready changes with PR references. Technologies/skills demonstrated: - Compiler backend analysis and bug isolation in ext-dce optimization. - Target-specific constraint modeling and documentation (LoongArch "q" constraint). - Documentation tooling updates (md.texi) and PR-based change traceability.

April 2025

4 Commits • 1 Features

Apr 1, 2025

In April 2025, delivered cross-platform compatibility and LoongArch-specific enhancements across GCC worktrees (rust-lang/gcc and zephyrproject-rtos/gcc). Key outcomes include ensuring gen-evolution.awk runs reliably on FreeBSD awk versions, enabling 16-byte atomic operations on LoongArch via a new -m[no-]scq option with gated defaults and accompanying documentation, and stabilizing LoongArch code paths by addressing an ICE in xorsign operand handling. These changes improve platform coverage, CI reliability, and pave the way for LoongArch 1.1 evolution, delivering tangible business value and reduced maintenance cost.

March 2025

3 Commits • 1 Features

Mar 1, 2025

March 2025 performance highlights focused on LoongArch stabilization, portability, and test coverage across Zephyr RTOS and GCC toolchains. Delivered critical bug fixes, introduced ABI naming for floating-point registers, and expanded regression testing to improve build reliability and cross-architecture support.

February 2025

2 Commits

Feb 1, 2025

February 2025 monthly summary: Delivered targeted cross-architecture improvements across two repositories to enhance build reliability and consistency for LoongArch and Loongson 3 platforms. Key achievements include fixing output file detection in LoongArch Perl scripts within openssl/openssl and removing an obsolete -mfix-loongson3-llsc workaround in AOSC-Dev/autobuild4. These changes reduce build-time failures, simplify maintenance, and align behavior with ARM/RISC-V toolchains.

December 2024

3 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for espressif/binutils-gdb. Focused on strengthening LoongArch linker behavior in PIE/DSO and static PIE configurations, delivering fixes and clearer guidance to prevent build failures and runtime issues on older kernels.

October 2024

1 Commits • 1 Features

Oct 1, 2024

October 2024 monthly summary focusing on GCC work for LoongArch. Delivered a feature to improve consistency and correctness of vector bitwise operations by aligning LoongArch vector builtin semantics with other architectures. This work enhances reliability of generated code for vectorized operations and reduces risk of subtle bugs in vector math across deployments. No major regressions were introduced; changes are isolated to builtin interfaces and codegen alignment.

Activity

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Quality Metrics

Correctness94.0%
Maintainability91.2%
Architecture91.0%
Performance89.6%
AI Usage22.6%

Skills & Technologies

Programming Languages

AssemblyBashCC++CMakeMakefileMarkdownPHPPerlPython

Technical Skills

ACPIAssembly LanguageAssembly languageAssembly language optimizationAutotoolsBuild SystemBuild System ConfigurationBuild SystemsBuild automationC ProgrammingC programmingC++ programmingCMakeCPU ArchitectureCollaboration

Repositories Contributed To

10 repos

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

AOSC-Dev/aosc-os-abbs

Jun 2025 Jun 2026
10 Months active

Languages Used

C++MakefileShellCTOMLMarkdownRustBash

Technical Skills

AutotoolsBuild SystemBuild System ConfigurationCompiler DevelopmentCross-CompilationPackage Management

rust-lang/gcc

Mar 2025 Sep 2025
6 Months active

Languages Used

CC++MakefileawkAssembly

Technical Skills

Assembly LanguageCompiler DevelopmentEmbedded SystemsLow-Level ProgrammingRISC-V Architectureawk

zephyrproject-rtos/gcc

Oct 2024 Apr 2025
3 Months active

Languages Used

Cawk

Technical Skills

Assembly LanguageCompiler DevelopmentLow-Level ProgrammingVector IntrinsicsLow-Level OptimizationRISC-V Architecture

espressif/binutils-gdb

Dec 2024 Dec 2024
1 Month active

Languages Used

C

Technical Skills

Assembly languageCompiler DevelopmentCompiler developmentEmbedded systemsLinkerLinker Scripting

AOSC-Dev/autobuild4

Feb 2025 Apr 2026
2 Months active

Languages Used

Shell

Technical Skills

Compiler FlagsSystem ArchitectureGCCLinux system programmingbuild system configuration

openssl/openssl

Feb 2025 Feb 2025
1 Month active

Languages Used

Perl

Technical Skills

Build SystemsCross-compilationScripting

oven-sh/WebKit

Jun 2025 Jun 2025
1 Month active

Languages Used

C++CMake

Technical Skills

Build SystemsCompiler FlagsCross-Platform DevelopmentLow-Level Optimization

libsdl-org/highway

Sep 2025 Sep 2025
1 Month active

Languages Used

C++CMake

Technical Skills

Build SystemsCPU ArchitectureCompiler FlagsRuntime Dispatch

linux-riscv/linux

Oct 2025 Oct 2025
1 Month active

Languages Used

C

Technical Skills

ACPICompiler WarningsKernel Development

curl/curl

Apr 2026 Apr 2026
1 Month active

Languages Used

C

Technical Skills

C programmingbuild system managementcryptography