Intro

Hey, ksyx here! I am a undergraduate student loved in contributing to communities and can self-learn new knowledge efficiently, who have participated Computing Olympiad (Olympiad in Informatics) during middle school time.

I mainly use C++ with CMake and interested in algorithm designing, compilers, Human-Computer Interaction, and educational work. Besides, I am also loved in digging out patterns in data.

Being explorative, I am also open to and excited about new things and opportunities.


Involvements
PLCT Lab, ISCAS
LLVM/Clang Dev. & Analysis Internship
  • Analyzed implementation of several optimization passes, including their workflow, object model (data structure) and use of analysis results. Added workflow descriptions for GVN object. Refactored some code for clearer logics.
  • Implemented RISC-V Scalar K (Crypto) extension support for MC layer and IR Intrinsics of LLVM.
  • Implemented Zmmul extension, the subset of M extension consisting only multiplication instructions.
  • Implemented no-div switch in Clang for RISC-V target to use fallback implementation instead of hardware division instructions in M (Multiplication and Division) extension.

ARC
Computer Lab Assistant
  • A Python project to interact with Google Drive/CoLab API to download Jupyter notebook from Google CoLab, run with local High Performance Computing environment, and upload result back to CoLab for sharing and collaborating.
  • A shortlink service modified from kellegous/go that supports obtaining user identity from Azure Active Directory in addition to original functionality, written in Golang.
  • Compile and install academic and open source software; Provide troubleshooting for uses of software.
  • Documenting code and integrating with external service to empower collaboration and research work.

OI Wiki
Editor, Member
  • Review proposed changes and provide suggestions on improving quality of proposed content.
  • Update content for better layout and study efficiency; Propose projects for iteration plans.
  • Mentor translation work between Chinese and English. (Open Source Promotion Plan 2020 & 2021)

LibreOJ Online Judge
Problem Set Maintenance
  • Process test data to be suitable for the system to use; Write checkers and configurations for problems.
  • Maintain unified and clean problem appearances; Translate problems between Chinese and English.
  • Handle community requests on problems and maintain healthy discussion environment.

Personal Projects / Contributions
  • Added SeparateDefinitionBlocks style for clang-format to insert or remove empty lines between definition blocks including functions, namespaces, enums, classes, and structs.
  • A compiler whose grammar is efficient in manipulating GUI elements and controls that is easy to learn, written in C++ with ANTLR + LLVM.
  • The GUI library for the compiler whose interface is made easy for the compiler to generate calls operating the controls with using Win32 Common Control and GDI+ APIs. It is also designed to be flexible and easily extensible.

Please contact me for resume and more details if interested. Thanks for reading :)


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