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Hi there 👋

I am a second-year PhD student studying Computer Science at UW Seattle, co-advised by Zachary Tatlock and Dan Suciu. I am broadly interested in the theories and applications of programming languages and data management.

Currently, I am working on a program optimization technique called Equality Saturation (EqSat):

  • Theory: I try to answer questions like "when does EqSat terminate?".
  • System: I am working on a new system called egglog that unifies Datalog and EqSat.
  • Technique: I am interested in techniques that make EqSat better. In our POPL 2022 paper we made pattern matching in EqSat asymptotically faster.
  • Application: I am always looking to apply EqSat to emerging domains, such as computational fabrication. I am maintaining a list of projects that use equality saturation.

Yihong Zhang's Projects

2tbf icon 2tbf

A state monad based compiler from a subset of Pascal to 2-Tape Brainfuck, a practical extension of BF lang.

aslj icon aslj

A Simple Lexer For Java

cchr icon cchr

Copy of the CCHR Constraint Handling Rules implementation in C

cclyzerpp icon cclyzerpp

cclyzer++ is a precise and scalable global pointer analysis for LLVM code.

egg icon egg

egg is a flexible, high-performance e-graph library

maxduet icon maxduet

Combining the power of MaxFlash and Duet

modified-sc-by-eval icon modified-sc-by-eval

adaption of supercompilation-by-evaluation (https://github.com/batterseapower/supercompilation-by-evaluation) to update-to-date ghc

peg icon peg

persistent e-graphs

souffle icon souffle

Soufflé is a variant of Datalog for tool designers crafting analyses in Horn clauses. Soufflé synthesizes a native parallel C++ program from a logic specification.

szalinski icon szalinski

Szalinski: A Tool for Synthesizing Structured CAD Models with Equality Saturation and Inverse Transformations

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