Progress and challenges in VLSI placement research

IL Markov, J Hu, MC Kim - … of the International Conference on Computer …, 2012 - dl.acm.org
Given the significance of placement in IC physical design, extensive research studies
performed over the last 50 years addressed numerous aspects of global and detailed …

ICCAD-2015 CAD contest in incremental timing-driven placement and benchmark suite

MC Kim, J Hu, J Li… - 2015 IEEE/ACM …, 2015 - ieeexplore.ieee.org
At modern technology nodes, improving routability and reducing total wirelength are no
longer sufficient to close timing. Incremental timing-driven placement (TDP) seeks to resolve …

Physical synthesis with clock-network optimization for large systems on chips

D Papa, C Alpert, C Sze, Z Li, N Viswanathan… - IEEE Micro, 2011 - ieeexplore.ieee.org
In traditional physical-synthesis methodologies, the placement of flip-flops and latches is
problematic, especially for large systems on chips. A next-generation electronic-design …

Drive strength aware cell movement techniques for timing driven placement

G Flach, M Fogaça, J Monteiro, M Johann… - Proceedings of the 2016 …, 2016 - dl.acm.org
As the interconnections dominate the circuit delay in nanometer technologies, placement
plays a major role to achieve timing closure since it is a main step that defines the …

ITOP: Integrating timing optimization within placement

N Viswanathan, GJ Nam, JA Roy, Z Li… - Proceedings of the 19th …, 2010 - dl.acm.org
Timing-driven placement is a critical step in nanometer-scale physical synthesis. To improve
design timing on a global scale, net-weight based global timing-driven placement is a …

OCV-aware top-level clock tree optimization

TB Chan, K Han, AB Kahng, JG Lee… - … of the 24th edition of the …, 2014 - dl.acm.org
The clock trees of high-performance synchronous circuits have many clock logic cells (eg,
clock gating cells, multiplexers and dividers) in order to achieve aggressive clock gating and …

OWARU: Free space-aware timing-driven incremental placement with critical path smoothing

J Jung, GJ Nam, LN Reddy, IHR Jiang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents an incremental timing-driven placement tool, named OWARU. It
optimizes timing critical paths through a free space-aware path smoothing: the gates on …

Semantic metadata for the integration of web-based data for electronic commerce

C Bornhovd - … of International Workshop on Advance Issues of …, 1999 - ieeexplore.ieee.org
Today, the Internet can be seen as a global marketplace populated by a huge number of
providers and consumers that exchange data from a wide range of domains. A combination …

CATALYST: Planning layer directives for effective design closure

Y Wei, Z Li, C Sze, S Hu, CJ Alpert… - … Design, Automation & …, 2013 - ieeexplore.ieee.org
For the last several technology generations, VLSI designs in new technology nodes have
had to confront the challenges associated with reduced scaling in wire delays. The solution …

Post-routing latch optimization for timing closure

S Held, U Schorr - Proceedings of the 51st Annual Design Automation …, 2014 - dl.acm.org
We present an algorithm which permutes latch positions and sizes within a clock cluster to
maximize the worst slack. It preserves the clock footprint and routing, and can therefore be …