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DC25_SLIDES_Track14_DeepReinforcementLearningBasedDesign_Ryu 2025-01-21 16.32.01.pdf

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1、Information Classification:GeneralWelcome to ConferenceJanuary 2830,2025Santa Clara Convention Center1ExpoJanuary 2930,2025Information Classification:GeneralDeep Reinforcement Learning Based Design Optimization of Power/Ground Ball Map in BGA Package in 3D-ICs Considering Multiple Power Domain Envir

2、onmentsSpeaker:Seunghun Ryu,(KAIST)Dongryul Park(KAIST),Seonghi Lee(KAIST),Hyunwoong Kim(Samsung Electronics)Sanguk Lee(KAIST),Hyunwoo Kim(KAIST),Seongho Woo(KAIST),Changmin Lee(KAIST),Jaewon Rhee(KAIST),Seokbeom Yong(Samsung Electronics),Sangsub Song(Samsung Electronics),Jiseong Kim(KAIST),Seungyou

3、ng Ahn(KAIST)2Information Classification:GeneralSPEAKERSSeunghun RyuPh.D Student,Korea Advanced Institute of Science and Technology(KAIST)ysh0067kaist.ac.krSeunghun Ryu received the M.S.degree from The Cho Chun Shik Graduate School of Mobility,Korea Advanced Institute of Science and Technology(KAIST

4、),Daejeon,South Korea,in 2022,where he is currently pursuing the Ph.D.degree.In 2022,he was a visiting scholar at Missouri University of Science and Technology,Rolla,MO.Research interest:High-speed interconnection design,machine learning-based power integrity design optimization for 2.5D/3D ICs3Info

5、rmation Classification:GeneralContents4I.IntroductionII.Proposal of a Power/Ground Ball Map Design Optimization MethodA.Markov Decision Process ConfigurationB.Reward Calculation based on the Analytical ModelC.Network Configuration and Training AlgorithmIII.Verification of the Proposed MethodA.Traini

6、ng ConfigurationB.Optimality PerformanceIV.ConclusionInformation Classification:GeneralContents5I.IntroductionII.Proposal of a Power/Ground Ball Map Design Optimization MethodA.Markov Decision Process ConfigurationB.Reward Calculation based on the Analytical ModelC.Network Configuration and Training

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1. **研究背景**:针对3D-IC中多电源域(MPD)环境下BGA封装的电源/地球映射优化问题,提出基于深度强化学习(DRL)的设计方法,以降低同时开关噪声(SSN)。 2. **核心方法**:采用马尔可夫决策过程(MDP)建模,结合解析模型计算SSN奖励,使用U-Net的A2C算法训练策略网络,优化球映射布局。 3. **性能验证**:在7×7、11×11、15×15三种尺寸测试中,目标函数(f_obj)平均达10.21、11.99、13.10,优于随机搜索(RS)和遗传算法(GA),且计算时间显著缩短(如15×15尺寸下544.4秒 vs. GA的26913.8秒)。 4. **关键成果**:DRL方法在高功耗域(如Domain 4、5)的SSN抑制效果更优,且策略可复用,解决了传统方法计算复杂度高、适应性差的问题。
**3D-IC如何优化?** **BGA设计有何难点?** **RL如何提升性能?**
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