Artificial Intelligence

GUC delivers TSMC N3 chip and AI-optimised N5 design

19th January 2023
Harry Fowle

Using Innovus Implementation, GUC delivered a 3.16GHz HPC core design with 3.5M instances on the TSMC N3 process technology. GUC realised a 9% area shrink and an 8% reduction in power consumption on a CPU design on the TSMC N5 process using the AI-enabled Cadence Cerebrus.

Cadence Design Systems, Inc. have announced that Global Unichip Corp. (GUC) successfully delivered an advanced HPC design and a CPU design using Cadence digital solutions. The HPC design was created using the Cadence Innovus Implementation System on TSMC’s advanced N3 process and featured a 3.5m instance count that reached clock speeds of up to 3.16GHz. The CPU design was created using the AI-enabled Cadence Cerebrus Intelligent Chip Explorer and the digital full flow on the TSMC N5 process technology, delivering 8% reduced power and a 9% area improvement while significantly improving engineering productivity.

The Innovus Implementation System’s GigaPlace engine provided GUC with support for TSMC FINFLEX cell row placement and consideration for pin access throughout the flow for N3 design rule checking DRC closure. The GigaOpt engine delivered improved optimisation by enabling the most optimal configuration from the TSMC N3 library while balancing different cell row utilisation. The Innovus Implementation System also includes a massively parallel architecture and incorporates the NanoRoute engine, which enabled GUC to address signal integrity early in the design flow while improving post-route correlation.

Cadence Cerebrus, coupled with the Cadence digital flow, was instrumental in providing GUC with power, performance and area benefits as well as the ability to perform synthesis through implementation and signoff on their 5nm CPU design, optimising engineering team productivity. Unique to Cadence Cerebrus is its reinforcement learning engine that autonomously optimised GUC’s design flow, allowing the team to exceed human engineering potential and accelerate time to market.

“GUC is a market leader providing advanced chip solutions for AI, HPC, 5G, industrial and other emerging applications,” said Dr. Louis Lin, Senior Vice President of Design Services at GUC. “Given our commitment to deliver the most competitive designs to our customers, it is important for us to invest in leading-edge technologies. The Cadence Cerebrus Intelligent Chip Explorer, in conjunction with the broader digital flow, was the natural choice to help us achieve faster design turnaround via AI technology while also improving PPA. The Innovus Implementation System was instrumental in helping us deliver our first N3 chip, enabling our team to accelerate the creation of our high-performance, low-power HPC design.”

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