Effective Method for Simultaneous Gate Sizing and th Assignment Using Lagrangian Relaxation

G Flach, T Reimann, G Posser… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
This paper presents a fast and effective approach to gate-version selection and threshold
voltage, Vth, assignment. In the proposed flow, first, a solution without slew and load …

Eco-gnn: Signoff power prediction using graph neural networks with subgraph approximation

YC Lu, S Nath, S Pentapati, SK Lim - ACM Transactions on Design …, 2023 - dl.acm.org
Modern electronic design automation flows depend on both implementation and signoff
tools to perform timing-constrained power optimization through Engineering Change Orders …

DAGSizer: A Directed Graph Convolutional Network Approach to Discrete Gate Sizing of VLSI Graphs

CK Cheng, C Holtz, AB Kahng, B Lin… - ACM Transactions on …, 2023 - dl.acm.org
The objective of a leakage recovery step is to make use of positive slack and reduce power
by performing appropriate standard-cell swaps such as threshold-voltage (Vth) or channel …

Fast Lagrangian relaxation-based multithreaded gate sizing using simple timing calibrations

A Sharma, D Chinnery, T Reimann… - … on Computer-Aided …, 2019 - ieeexplore.ieee.org
Accurate delay analysis with distributed RC delay can be computationally expensive, and
can contribute the majority of the total runtime for gate sizers. Recent works have shown that …

A fast learning-driven signoff power optimization framework

YC Lu, S Nath, SSK Pentapati, SK Lim - Proceedings of the 39th …, 2020 - dl.acm.org
Modern high-performance System-on-Chip (SoC) design flows highly depend on signoff
tools to perform timing-constrained power optimization through Engineering Change Orders …

Enhancing sensitivity-based power reduction for an industry IC design context

H Fatemi, AB Kahng, H Lee, J Li, JP de Gyvez - Integration, 2019 - Elsevier
For many years, discrete gate sizing has been widely used for timing and power optimization
in VLSI designs. The importance of gate sizing optimization has been emphasized by …

Fast Lagrangian relaxation based gate sizing using multi-threading

A Sharma, D Chinnery, S Bhardwaj… - 2015 IEEE/ACM …, 2015 - ieeexplore.ieee.org
We propose techniques to achieve very fast multi-threaded gate-sizing and threshold-
voltage swap for leakage power minimization. We focus on multi-threading Lagrangian …

Efficient and Accurate ECO Leakage Optimization Framework With GNN and Bidirectional LSTM

P Cao, G He, W Ding, Z Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Engineering change order (ECO) plays an important role in design flow to perform leakage
optimization with gate-sizing and assignment approaches. Unfortunately, it is extremely time …

GRA-LPO: Graph convolution based leakage power optimization

U Mallappa, CK Cheng - Proceedings of the 26th Asia and South Pacific …, 2021 - dl.acm.org
Static power consumption is a critical challenge for IC designs, particularly for mobile and
IoT applications. A final post-layout step in modern design flows involves a leakage recovery …

Incremental Lagrangian relaxation based discrete gate sizing and threshold voltage assignment

D Mangiras, G Dimitrakopoulos - Technologies, 2021 - mdpi.com
Timing closure remains one of the most critical challenges of a physical synthesis flow,
especially when the design operates under multiple operating conditions. Even if timing is …