collaborators

8 papers

cs.CV2025

Fine-Grained Caching for Diffusion Transformers with Few Calibration Conditions

Zihao Wu, Bohan Zeng, Yuanxing Zhang

Diffusion transformers require repeated denoiser evaluations, making image and video generation computationally expensive. We propose a training-free framework that uses a few cali…

cs.LG2025

Measure gradients, not activations! Enhancing neuronal activity in deep reinforcement learning

Jiashun Liu, Zihao Wu, Johan Obando-Ceron +3

Deep reinforcement learning (RL) agents frequently suffer from neuronal activity loss, which impairs their ability to adapt to new data and learn continually. A common method to qu…

cs.MA2025

Autono: A ReAct-Based Highly Robust Autonomous Agent Framework

Zihao Wu

This paper proposes a highly robust autonomous agent framework based on the ReAct paradigm, designed to solve complex tasks through adaptive decision making and multi-agent collabo…

cs.DB2025

Bhakti: A Lightweight Vector Database Management System for Endowing Large Language Models with Semantic Search Capabilities and Memory

Zihao Wu

With the rapid development of big data and artificial intelligence technologies, the demand for effective processing and retrieval of vector data is growing. Against this backdrop,…

cs.LG2025

Teleportation With Null Space Gradient Projection for Optimization Acceleration

Zihao Wu, Juncheng Dong, Ahmed Aloui +1

Optimization techniques have become increasingly critical due to the ever-growing model complexity and data scale. In particular, teleportation has emerged as a promising approach,…

cs.LG2025

S2TX: Cross-Attention Multi-Scale State-Space Transformer for Time Series Forecasting

Zihao Wu, Juncheng Dong, Haoming Yang +1

Time series forecasting has recently achieved significant progress with multi-scale models to address the heterogeneity between long and short range patterns. Despite their state-o…

cs.LG2025

Score-Based Metropolis-Hastings Algorithms

Ahmed Aloui, Ali Hasan, Juncheng Dong +2

In this paper, we introduce a new approach for integrating score-based models with the Metropolis-Hastings algorithm. While traditional score-based diffusion models excel in accura…

cs.LG2024

Offline Stochastic Optimization of Black-Box Objective Functions

Juncheng Dong, Zihao Wu, Hamid Jafarkhani +2

Many challenges in science and engineering, such as drug discovery and communication network design, involve optimizing complex and expensive black-box functions across vast search…