Skip to content
View JunyiXie's full-sized avatar
:octocat:
Focusing
:octocat:
Focusing
198 followers · 11 following

Achievements

Achievement: Pull Sharkx2Achievement: Arctic Code Vault ContributorAchievement: Starstruckx3
BetaSend feedback

Achievements

Achievement: Pull Sharkx2Achievement: Arctic Code Vault ContributorAchievement: Starstruckx3
BetaSend feedback
Block or Report

Block or report JunyiXie

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Please don't include any personal information such as legal names or email addresses. Maximum 100 characters, markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
JunyiXie/README.md

! 👋

A Software Engineer, Virtual Machine & Compiler Optimization

Experience:

  • ByteDance: Python Virtual Machine, C++/Swift Compiler, Crash report and analyse systems.
  • Alibaba: Focused on improving app performance.

Projects:

  1. Python Virtual Machine:

    • JIT Compiler (ARM64): Developed a method-based JIT compiler for cpython.
    • Parallel Execution Support: Optimized cpython runtime for parallel execution using subinterpreters.
    • Micro PythonVM: Created a high-performance C++ Python VM for mobile devices.
    • AOT Compiler: Developed a high-performance AOT Compiler for Python on mobile devices.

  2. LLVM Compiler Passes for Hotfix in C++/Swift:

    • Implemented hookable indirect function dispatch in the LLVM compiler backend.

  3. Bytedance Crash Reporter System:

    • Designed and implemented crash reporting system(mach & posix) and symbolic(high concurrency service) & aggregation(distributed) systems.

  4. Taobao App Performance Enhancement:

    • Developed a binary layout optimization system for the Taobao iOS app.
    • Automated a Dark Mode system for iOS applications.

Pinned

  1. python/cpython python/cpython Public

    The Python programming language

    Python 60.2k 29.1k

  2. XJYChart XJYChart Public

    iOS Chart. Support animation, click, scroll, area highlight.

    Objective-C 873 106

  3. facebook/react-native facebook/react-native Public

    A framework for building native applications using React

    C++ 116k 24k

  4. exaloop/codon exaloop/codon Public

    A high-performance, zero-overhead, extensible Python compiler using LLVM

    C++ 13.9k 496

  5. kstenerud/KSCrash kstenerud/KSCrash Public

    The Ultimate iOS Crash Reporter

    Objective-C 4.2k 696