1

A Timing Engine Inspired Graph Neural Network Model for Pre-Routing Slack Prediction

Fast and accurate pre-routing timing prediction is essential for timing-driven placement since repetitive routing and static timing …

Zizheng Guo, Mingjie Liu, Jiaqi Gu, Shuhan Zhang, David Z. Pan, Yibo Lin

AVATAR: An Aging- and Variation-Aware Dynamic Timing Analyzer for Application-based DVAFS

As the timing guardband continues to increase with the continuous technology scaling, better-than-worst-case (BTWC) design has gained …

Zuodong Zhang, Zizheng Guo, Yibo Lin, Runsheng Wang, Ru Huang

Differentiable-Timing-Driven Global Placement

Placement is critical to the timing closure of the very-large-scale integrated (VLSI) circuit design flow. This paper proposes a …

Zizheng Guo, Yibo Lin

Efficient Critical Paths Search Algorithm using Mergeable Heap

Path searching is a central step in static timing analysis (STA). State-of-the-art algorithms need to generate path deviations for …

Kexing Zhou, Zizheng Guo, Tsung-Wei Huang, Yibo Lin

EventTimer: Fast and Accurate Event-Based Dynamic Timing Analysis

As the transistor shrinks to nanoscale, the overhead of ensuring circuit functionality becomes extremely large due to the increasing …

Zuodong Zhang, Zizheng Guo, Yibo Lin, Runsheng Wang, Ru Huang

A Provably Good and Practically Efficient Algorithm for Common Path Pessimism Removal in Large Designs

Common path pessimism removal (CPPR) is imperative for eliminating redundant pessimism during static timing analysis (STA). However, …

Zizheng Guo, Tsung-Wei Huang, Yibo Lin

HeteroCPPR: Accelerating Common Path Pessimism Removal with Heterogeneous CPU-GPU Parallelism

Common path pessimism removal (CPPR) is a key step to eliminating unwanted pessimism during static timing analysis (STA). Unwanted …

Zizheng Guo, Tsung-Wei Huang, Yibo Lin

Ultrafast CPU/GPU Kernels for Density Accumulation in Placement

Density accumulation is a widely-used primitive operation in physical design, especially for placement. Iterative invocation in the …

Zizheng Guo, Jing Mai, Yibo Lin

VAT-Mart: Learning Visual Action Trajectory Proposals for Manipulating 3D ARTiculated Objects

Ruihai Wu, Yan Zhao, Kaichun Mo, Zizheng Guo, Yian Wang, Tianhao Wu, Qingnan Fan, Xuelin Chen, Leonidas Guibas, Hao Dong

GPU-Accelerated Static Timing Analysis

The ever-increasing power of graphics processing units (GPUs) has opened new opportunities for accelerating static timing analysis …

Zizheng Guo, Tsung-Wei Huang, Yibo Lin