An Open-Source Constraints-Driven General Partitioning Multi-Tool for VLSI Physical Design

I Bustany, G Gasparyan, AB Kahng… - 2023 IEEE/ACM …, 2023 - ieeexplore.ieee.org
With the increasing complexity of IC products, large-scale designs must be efficiently
partitioned into multiple blocks, tiles, or devices for concurrent backend place-and-route …

DREAMPlace 4.0: Timing-driven global placement with momentum-based net weighting

P Liao, S Liu, Z Chen, W Lv, Y Lin… - 2022 Design, Automation …, 2022 - ieeexplore.ieee.org
Timing optimization is critical to integrated circuit (IC) design closure. Existing global
placement algorithms mostly focus on wirelength optimization without considering timing. In …

Dreamplace 4.0: Timing-driven placement with momentum-based net weighting and lagrangian-based refinement

P Liao, D Guo, Z Guo, S Liu, Y Lin… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Optimizing timing is critical to the design closure of integrated circuits (ICs). However, most
existing algorithms for circuit placement focus on the optimization of wirelength instead of …

Lostin: Logic optimization via spatio-temporal information with hybrid graph models

N Wu, J Lee, Y Xie, C Hao - 2022 IEEE 33rd International …, 2022 - ieeexplore.ieee.org
Despite the recent progress on machine learning (ML) based performance modeling, two
major concerns that may impede production-ready ML applications in electronic design …

On legalization of die bonding bumps and pads for 3D ICs

S Pentapati, A Agnesina, M Brunion… - Proceedings of the …, 2023 - dl.acm.org
State-of-the-art 3D IC Place-and-Route flows were designed with older technology nodes
and aggressive bonding pitch assumptions. As a result, these flows fail to honor the width …

Delving into macro placement with reinforcement learning

Z Jiang, E Songhori, S Wang, A Goldie… - 2021 ACM/IEEE 3rd …, 2021 - ieeexplore.ieee.org
In physical design, human designers typically place macros via trial and error, which is a
Markov decision process. Reinforcement learning (RL) methods have demonstrated …

Design of a universal logic block for fault-tolerant realization of any logic operation in trapped-ion quantum circuits

H Goudarzi, MJ Dousti, A Shafaei… - Quantum information …, 2014 - Springer
This paper presents a physical mapping tool for quantum circuits, which generates the
optimal universal logic block (ULB) that can, on average, perform any logical fault-tolerant …

Timing driven placement for quasi delay-insensitive circuits

R Karmazin, S Longfield, CTO Otero… - 2015 21st IEEE …, 2015 - ieeexplore.ieee.org
Asynchronous circuits offer promise in handling current and future technology scaling
challenges. Unfortunately, their impact has been limited by the lack of design automation …

Detailed placement for modern FPGAs using 2D dynamic programming

S Dhar, S Adya, L Singhal, MA Iyer… - 2016 IEEE/ACM …, 2016 - ieeexplore.ieee.org
In this paper, we propose a 2-dimensional dynamic programming (DP) based detailed
placement algorithm for modern FPGAs for wirelength and timing optimization. By tuning a …

Two approaches for timing-driven placement by Lagrangian relaxation

G Wu, C Chu - IEEE Transactions on Computer-Aided Design of …, 2017 - ieeexplore.ieee.org
In this paper, we propose Lagrangian relaxation (LR)-based algorithms to optimize both
circuit performance and total wirelength at the global placement stage. We introduce a …