Year
Month
(Preprint) Grassland: A Rapid Algebraic Modeling System for Million-variable Optimization
Xihan Li ¹, Xiongwei Han 韩雄威 ², Zhishuo Zhou ³, Mingxuan Yuan ², Jia Zeng ², Jun Wang ¹
¹ University College London, The United Kingdom
² Huawei Noah's Ark Lab 华为 诺亚方舟实验室
³ Fudan University 复旦大学
arXiv, 2021-08-10
Abstract

An algebraic modeling system (AMS) is a type of mathematical software for optimization problems, which allows users to define symbolic mathematical models in a specific language, instantiate them with given source of data, and solve them with the aid of external solver engines. With the bursting scale of business models and increasing need for timeliness, traditional AMSs are not sufficient to meet the following industry needs: 1) million-variable models need to be instantiated from raw data very efficiently; 2) Strictly feasible solution of million-variable models need to be delivered in a rapid manner to make up-to-date decisions against highly dynamic environments.

Grassland is a rapid AMS that provides an end-to-end solution to tackle these emerged new challenges. It integrates a parallelized instantiation scheme for large-scale linear constraints, and a sequential decomposition method that accelerates model solving exponentially with an acceptable loss of optimality. Extensive benchmarks on both classical models and real enterprise scenario demonstrate 6 ~ 10x speedup of Grassland over state-of-the-art solutions on model instantiation.

Our proposed system has been deployed in the large-scale real production planning scenario of Huawei. With the aid of our decomposition method, Grassland successfully accelerated Huawei's million-variable production planning simulation pipeline from hours to 3 ~ 5 minutes, supporting near-real-time production plan decision making against highly dynamic supply-demand environment.
Grassland: A Rapid Algebraic Modeling System for Million-variable Optimization_1
Grassland: A Rapid Algebraic Modeling System for Million-variable Optimization_2
Grassland: A Rapid Algebraic Modeling System for Million-variable Optimization_3
Grassland: A Rapid Algebraic Modeling System for Million-variable Optimization_4
  • Power grid fault diagnosis based on a deep pyramid convolutional neural network
  • Xu Zhang 张旭, Huiting Zhang, Dongying Zhang, Yixian Wang, Ruiting Ding, Yuchuan Zheng, Yongxu Zhang
  • CSEE Journal of Power and Energy Systems
  • 2022-05-06
  • China's factor reallocation effect considering energy
  • Guangqing Xu, Xiaoyu Chen
  • Chinese Journal of Population, Resources and Environment
  • 2022-05-02
  • Cannabidiol prevents depressive-like behaviors through the modulation of neural stem cell differentiation
  • Ming Hou, Suji Wang, Dandan Yu, Xinyi Lu, Xiansen Zhao, Zhangpeng Chen, Chao Yan
  • Frontiers of Medicine
  • 2022-04-26
  • Cultivation of gut microorganisms of the marine ascidian Halocynthia roretzi reveals their potential roles in the environmental adaptation of their host
  • Yang Yang, Yuting Zhu, Haiming Liu, Jiankai Wei, Haiyan Yu, Bo Dong
  • Marine Life Science & Technology
  • 2022-04-26
  • Data network traffic analysis and optimization strategy of real-time power grid dynamic monitoring system for wide-frequency measurements
  • Jinsong Li, Hao Liu, Wenzhuo Li, Tianshu Bi, Mingyang Zhao
  • Global Energy Interconnection
  • 2022-04-25
  • Field distribution of the Z₂ topological edge state revealed by cathodoluminescence nanoscopy
  • Xiao He, Donglin Liu, Hongfei Wang, Liheng Zheng, Bo Xu, Biye Xie, Meiling Jiang, Zhixin Liu, Jin Zhang, Minghui Lu, Zheyu Fang
  • Opto-Electronic Advances
  • 2022-04-25
  • Advances in femtosecond laser direct writing of fiber Bragg gratings in multicore fibers: technology, sensor and laser applications
  • Alexey Wolf, Alexander Dostovalov, Kirill Bronnikov, Mikhail Skvortsov, Stefan Wabnitz, Sergey Babin
  • Opto-Electronic Advances
  • 2022-04-25
  • Graphene-empowered dynamic metasurfaces and metadevices
  • Chao Zeng, Hua Lu, Dong Mao, Yueqing Du, He Hua, Wei Zhao, Jianlin Zhao
  • Opto-Electronic Advances
  • 2022-04-25
  • Charge carrier dynamics in different crystal phases of CH₃NH₃PbI₃ perovskite
  • Efthymis Serpetzoglou, Ioannis Konidakis, George Kourmoulakis, Ioanna Demeridou, Konstantinos Chatzimanolis, Christos Zervos, George Kioseoglou, Emmanuel Kymakis, Emmanuel Stratakis
  • Opto-Electronic Science
  • 2022-04-21
  • Applications of optically and electrically driven nanoscale bowtie antennas
  • Zhongjun Jiang, Yingjian Liu, Liang Wang
  • Opto-Electronic Science
  • 2022-04-20
  • Validation of the bodily expressive action stimulus test among Chinese adults and children
  • Yunmei Yang, Wenwen Hou, Jing Li
  • PsyCh Journal
  • 2022-04-17



  • Photonic orbital angular momentum with controllable orientation                                CLSEBERT: Contrastive Learning for Syntax Enhanced Code Pre-Trained Model
    About
    |
    Contact
    |
    Copyright © PubCard