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dafahaha/README.md

Hi, I'm Daizhi Liao

Third-year undergraduate at Guangzhou University, Network Engineering. Research focus: reinforcement learning, embodied AI, and efficient model deployment — bridging RL research and real-world edge hardware.

Applying for PhD programs (Fall 2027) in Embodied AI / Reinforcement Learning / Robotics.

Academic Homepage | CV | ldz@e.gzhu.edu.cn


Research

Interests:

  • Reinforcement learning for embodied agents (off-policy algorithms, sample efficiency)
  • Cross-platform RL model deployment (GPU / Jetson / CPU)
  • Model compression and quantization for RL policies (INT8 / FP16)
  • AI safety and adversarial robustness

Featured Project — rl-deploy-bench

Cross-platform RL model deployment and benchmarking toolkit. Export SB3 policies to ONNX/TorchScript, build TensorRT engines with FP16/INT8 quantization, and benchmark latency/throughput/accuracy across x86 GPU, Jetson, and CPU — from one config-driven CLI with auto-generated HTML reports.


Open Source Contributions

Merged

Project PR Contribution
shmuma/ptan #57 Fixed Gymnasium API compatibility in experience sources
Algorineko/AgenticArXiv-RL #72 Added MIT License, CONTRIBUTING, issue templates, CI
NVlabs/FluxVLA #122, #123 Fixed typos and installation docs

In Review — Code Bug Fixes

Project PR Contribution
scikit-learn/scikit-learn #34986 Removed int(c) coercion in compute_class_weight that broke dict lookup for string labels parsing as int (Fixes #34883)
DLR-RM/stable-baselines3 #2289 Fixed DummyVecEnv/SubprocVecEnv ignoring reset options/seeds on auto-reset
microsoft/TextWorld #377 Fixed env.step crash on multi-command input causing int() parse failure
google/brax #676 Fixed EpisodeWrapper metrics accumulation with action_repeat
huggingface/datasets #8633 Fixed pathlib.Path regression in dataset loading
huggingface/diffusers #14796 Code improvement

In Review — Docs / Other

Project PR Contribution
UoA-CARES/cares_reinforcement_learning #409 Algorithm docs rewritten against actual codebase API
OWASP/secure-agent-playbook #28 Fixed outdated OWASP LLM Top 10 IDs

Tech Stack

RL — PyTorch · Stable-Baselines3 · Gymnasium · MuJoCo Deployment — ONNX · ONNX Runtime · TensorRT · TorchScript · INT8/FP16 Edge/Robotics — NVIDIA Jetson · ROS · CUDA · cuDNN Systems — Python · C++ · Linux · Docker · Git · CI/CD


Daizhi's GitHub stats

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  1. rl-deploy-bench rl-deploy-bench Public

    Cross-platform RL model deployment and performance benchmarking toolkit. Export, quantize (INT8), benchmark latency/throughput, and compare accuracy across x86 GPU, Jetson, and CPU platforms.

    Python 1

  2. dafahaha dafahaha Public

    Profile README — dafahaha | RL & Embodied AI & Open Source

  3. transit-truth transit-truth Public

    AI API Security Audit Platform - Verify your GPT-4 is real with behavioral fingerprints in 30 seconds

    Python 1

  4. LeggedSkillDeploy LeggedSkillDeploy Public

    Forked from haozhang04/LeggedSkillDeploy

    A deployment framework for reinforcement learning-based motion control of legged robots, covering bipedal, quadrupedal, wheeled-bipedal, and wheeled-quadrupedal robots.

    Python 1

  5. RoboClaw RoboClaw Public

    Forked from MINT-SJTU/RoboClaw

    RoboClaw is an Embodied AI Assistant.

    Python 1