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guozhihao-224/README.md

Hi, I'm Zhihao Guo 👋

Systems & AI Infra Engineer · Building high-performance storage systems and distributed training frameworks

Email GitHub Location


Featured Projects

AReaL

Distributed RL training framework for LLM alignment — async rollout, FSDP2/Megatron backends, SGLang/vLLM inference.

Python Stars

kiwi-rs

Redis-compatible elastic KV storage on RocksDB with Raft consensus — Rust rewrite of kiwi-cpp.

Rust Stars

kiwi-cpp

C++20 Redis server implementation on RocksDB.

C++

rrproxy

Lightweight Rust Redis proxy with multi-tenant and multi-library support.

Rust


Tech Stack

C++ Rust Go Python PyTorch CUDA Redis RocksDB Docker Linux


What I'm Working On

  • Distributed training systems — parallelism strategies, GPU cluster scheduling, RL at scale
  • High-performance storage — LSM-tree engines, Redis internals, proxy & sharding
  • Systems programming — lock-free data structures, async runtime, memory management

Pinned Loading

  1. areal-project/AReaL areal-project/AReaL Public

    The RL Bridge for LLM-based Agent Applications. Made Simple & Flexible.

    Python 5.2k 495

  2. arana-db/kiwi arana-db/kiwi Public

    a high-performance, large-capacity, multi-tenant, data-persistent, strong data consistency based on raft, Redis-compatible elastic KV data storage system based on RocksDB

    Rust 55 32

  3. valkey-io/valkey valkey-io/valkey Public

    A flexible distributed key-value database that is optimized for caching and other realtime workloads.

    C 25.8k 1.1k

  4. dragonflydb/dragonfly dragonflydb/dragonfly Public

    A modern replacement for Redis and Memcached

    C++ 30.5k 1.2k