tag: physical design

RL-Guided Detailed Routing Framework for Advanced Custom Circuits
By Technical Paper Link - 19 May, 2023 - Comments: 0

A technical paper titled "Reinforcement Learning Guided Detailed Routing for Custom Circuits" was published by researchers at UT Austin, Princeton University, and NVIDIA. "This paper presents a novel detailed routing framework for custom circuits that leverages deep reinforcement learning to optimize routing patterns while considering custom routing constraints and industrial design rules. C... » read more

Conquer Placement And Clock Tree Challenges In HPC Designs
By Janet Attar - 11 May, 2023 - Comments: 0

High-performance computing (HPC) applications require IC designs with maximum performance. However, as process technology advances, achieving high performance has become increasingly challenging. Designers need digital implementation tools and methodologies that can solve the thorny issues in HPC designs, including placement and clock tree challenges. Placement and clock tree synthesis are c... » read more

Design Considerations and Recent Advancements in Chiplets (UC Berkeley/ Peking University)
By Technical Paper Link - 10 Apr, 2023 - Comments: 0

A new technical paper titled "Automated Design of Chiplets" was published by researchers at UC Berkeley and Peking University. Abstract: "Chiplet-based designs have gained recognition as a promising alternative to monolithic SoCs due to their lower manufacturing costs, improved re-usability, and optimized technology specialization. Despite progress made in various related domains, the des... » read more

Combination of AI Techniques To Find The Best Ways to Place Transistors on Silicon Chips
By Technical Paper Link - 30 Mar, 2023 - Comments: 0

A new technical paper titled "AutoDMP: Automated DREAMPlace-based Macro Placement" was published by researchers at NVIDIA. Abstract: "Macro placement is a critical very large-scale integration (VLSI) physical design problem that significantly impacts the design power-performance-area (PPA) metrics. This paper proposes AutoDMP, a methodology that leverages DREAMPlace, a GPU-accelerated place... » read more

Low-Power IC Design Without Compromise
By Janet Attar - 09 Mar, 2023 - Comments: 0

In the process of creating ICs, the digital implementation stage is focused on meeting the performance, power, and area (PPA) targets defined for the design. Traditionally, when talking about PPA metrics, “performance” has been the primary focus, with power and area recovered where possible, after meeting timing. But as designs have moved to smaller, more advanced process nodes, and as s... » read more

EDA, IP Growth Surges Again
By Ed Sperling - 24 Jan, 2023 - Comments: 0

EDA tools and IP revenue increased 8.9% in Q3 of 2022 to $3.767 billion, up from $3.458 billion in 2021, according to a just-released report from the ESD Alliance at SEMI. All regions except Japan reported growth, but the numbers were a bit more uneven in Q3 than in recent quarters. For example, total silicon IP dropped 1%, while services revenue grew 20.8%. At the same time, EDA revenue jum... » read more

Shortening Network-on-Chip Development Schedules Using Physical Awareness
By Frank Schirrmeister - 05 Jan, 2023 - Comments: 0

Taking physical design into account as early as possible has been a consideration of chip development teams for quite some time. Still, in interactions with customers and partners, 2022 marked a sharp uptick in concerns about whether a design that may be functionally correct can also be implemented using physical implementation flows. Given the intricacies and complexity of network-on-chip (NoC... » read more

Automatic Layout Generator Targeting Region-based Layouts for Advanced FinFET-Based Full-Custom Circuits (UT Austin/NVIDIA)
By Technical Paper Link - 15 Dec, 2022 - Comments: 0

A technical paper titled "AutoCRAFT: Layout Automation for Custom Circuits in Advanced FinFET Technologies" was published by researchers at UT Austin and NVIDIA. "This paper presents AutoCRAFT, an automatic layout generator targeting region-based layouts for advanced FinFET-based full-custom circuits. AutoCRAFT uses specialized place-and-route (P&R) algorithms to handle various design cons... » read more

ECO Should Not Stand For Extended Challenge Order
By Manoj Chacko - 25 Aug, 2022 - Comments: 0

There’s an old saying that the first 90% of a task takes 90% of the schedule, and the remaining 10% takes the other 90% of the time. In chip development, design-signoff closure has become one such task. Ideally, when the design has been placed and routed (physical implementation), final analysis of timing and other metrics is performed and an engineering change order (ECO) file is issued to t... » read more

Cutting Clock Costs On The Bleeding Edge Of Process Nodes
By Aakash Jani - 01 Aug, 2022 - Comments: 0

In a recent study done by McKinsey and IDC, we see that physical design and verification costs are increasing exponentially with shrinking transistor sizes. As figure 1 shows, physical design (PD) and pre-silicon verification costs are doubling each process leap. As companies leap from node to leading node, a natural question arises. Why is it becoming harder and more expensive to tapeout a chi... » read more

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