activity
20242026
collaborators

7 papers

cs.DC2026

FATE: Future-State-Aware Scheduling for Heterogeneous LLM Workflows

Zirui Huang, Yi-Xiang Hu, Feng Wu +1

Large language model (LLM) applications are increasingly executed as heterogeneous multi-stage workflows rather than isolated inference calls. In these workflow directed acyclic gr…

cs.LG2026

LeJOT-AutoML: LLM-Driven Feature Engineering for Job Execution Time Prediction in Databricks Cost Optimization

Lizhi Ma, Yi-Xiang Hu, Yihui Ren +2

Databricks job orchestration systems (e.g., LeJOT) reduce cloud costs by selecting low-priced compute configurations while meeting latency and dependency constraints. Accurate exec…

cs.DC2026

iScheduler: Reinforcement Learning-Driven Continual Optimization for Large-Scale Resource Investment Problems

Yi-Xiang Hu, Yuke Wang, Feng Wu +3

Scheduling precedence-constrained tasks under shared renewable resources is critical to modern computing platforms. It is often modeled as the Resource Investment Problem (RIP) by…

cs.LG2025

LeJOT: An Intelligent Job Cost Orchestration Solution for Databricks Platform

Lizhi Ma, Yi-Xiang Hu, Yuke Wang +5

With the rapid advancements in big data technologies, the Databricks platform has become a cornerstone for enterprises and research institutions, offering high computational effici…

cs.LG2025

CLCR: Contrastive Learning-based Constraint Reordering for Efficient MILP Solving

Shuli Zeng, Mengjie Zhou, Sijia Zhang +3

Constraint ordering plays a critical role in the efficiency of Mixed-Integer Linear Programming (MILP) solvers, particularly for large-scale problems where poorly ordered constrain…

cs.AI2025

Beyond Local Selection: Global Cut Selection for Enhanced Mixed-Integer Programming

Shuli Zeng, Sijia Zhang, Shaoang Li +2

In mixed-integer programming (MIP) solvers, cutting planes are essential for Branch-and-Cut (B&C) algorithms as they reduce the search space and accelerate the solving process. Tra…