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How can AI optimize system integration

Jun 8 2023 2023-06 Semiconductors Aavid
Article Cover
While the speed of the manufacturing process has reportedly slowed, the complexity of chip design has not decreased. For chip designers, in such a process, if AI cannot be used for itself in the era of drive, it will undoubtedly stagger the efficiency of itself and even the entire design project.

While the speed of the manufacturing process has reportedly slowed, the complexity of chip design has not decreased. For chip designers, in such a process, if AI cannot be used for itself in the era of drive, it will undoubtedly stagger the efficiency of itself and even the entire design project. Although everyone has noticed this, so AI is starting to infiltrate EDA's tools at this stage, what design challenges can AI solve?

Verify

Verification is one of the biggest challenges in chip design. We have seen a trend towards expensive special verification hardware and clouds, which is enough to show that verification is a resource-consuming process in chip design. This refers not only to hardware computing resources, but also to time resources. Validation may take even longer than other processes. In recent years, the number of verification engineers on many chip development teams has also gradually increased, growing even faster than design engineers. However, few in the industry have optimized the verification process.

AI This gap finally loosened, many manufacturers began to use AI to optimize the verification process, such as through coverage prediction and incentive optimization to accelerate coverage standards. Cadence also released the VerisiumAI drive verification platform this year, according to Cadence, the emergence of Verisium means that SoC verification has changed from a single run single engine algorithm to a single run single engine algorithm AI multi-run multi-engine algorithm to assist big data, reduce debugging turnaround time and improve debugging efficiency. Automatic classification of failed test cases reduces manual analysis effort.

Analog design automation

Compared with digital ics in terms of design, analog IC design is obviously much worse in terms of automation. In the design process of digital circuit, the degree of freedom of the whole process is gradually reduced. Although the same is true of analog circuit design, the decline is no better than that of digital circuit design, especially in terms of layout and verification, so automation is not yet on the agenda. At present, the design of analog circuits largely depends on the designer's own intuition, skill and experience.

With the help of AI, the EDA tool provides advanced machine learning algorithms under the training of large amounts of data, so that the layout and routing of analog circuits have a more efficient automated process, especially in constraint extraction and generation, layout optimization, optimization of analog circuits, generation and simulation verification of AI acceleration. In this way, the number of iterations per analog circuit design will be further reduced, and the time-to-market of the chip will also be shortened.

System integration

In recent years, the popularity of UCIe, Chiplet, 3D packaging, etc., is actually a system integration concept. The introduction of design and manufacturing optimization schemes, such as DTCO and so on, has also attracted more and more attention. How to integrate more transistors, more memory and logic + memory integration and ultimately the thermal management of software-combined hardware are all issues that need to be considered in system integration.

So how can AI optimize system integration? The answer is to provide a more efficient route to explore the design space, which can give predictive models and faster implementation methods, such as New Thinking DSO.ai and FusionComplier, which provide complete AI for better design solutions, design solutions PPA and faster design acceptance. It is known that these solutions from Syrs have recently been validated in TSMC with N3E for high-performance computing, where AI compute-intensive loads, such as mobile devices, provide enhanced power consumption, performance and yield.

Peroration

In fact, once chip design enters the AI-assisted era, design engineers are also putting forward correspondingly higher requirements, because many low-level design problems have been solved by AI prediction, optimization, and generation. Design engineers need to innovate at higher levels of design, such as joint optimization of systems/software, so that they are not denied "optimization" falls. In the future, the professional skills of design engineers will be more inclined to the skills that data scientists need to master, and data scientists may have the opportunity to seize the work of design engineers.

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