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SYSTEMS & DESIGN
OPINION
Unlocking The Power Of Edge Computing With Large Language Models
Training and inferencing at the edge enables AI applications with low latency, enhanced privacy, and the ability to function offline.
OCTOBER 30TH, 2023 - BY:
PAUL KARAZUBA
In recent years, Large Language Models (LLMs) have revolutionized the field of artificial intelligence, transforming how we interact with devices and the possibilities of what machines can achieve. These models have demonstrated remarkable natural language understanding and generation abilities, making them indispensable for various applications.
However, LLMs are incredibly resource-intensive. Training them on cloud servers with massive GPU clusters is expensive, and the inference of these models on cloud servers can result in substantial latency, poor user experience, and privacy and security risks. Many smartphone, IoT, and automobile makers have set a goal of edge inference deployments of LLMs in future platforms. In this article, we’ll explore the significance of deploying large language models on edge devices, as well as the challenges and future.
Moving LLMs to the edge: Why?
It would be impossible to discuss every reason for edge deployment of LLMs, which may be industry, OEM, or LLM-specific. For this article, we will address five of the more prevalent reasons we hear.
One of the primary motivations for moving LLM inference to the edge is
reduced connectivity dependency. Cloud-based LLMs rely on a stable network connection for inference. Moving LLM inference to the edge means applications can function with limited or no network connectivity. For instance, the LLM could be the interface to your notes, or even your whole phone, regardless of your 5G strength.
Many LLM-based applications depend on
low latency for the best user experience
. The response time of a cloud-based LLM depends on the stability and speed of the network connection. When inference occurs locally, the response time is significantly reduced, leading to a better user experience.
Edge computing can enhance
privacy and data security. Since data processing happens on the local device, attack surfaces are significantly reduced versus a cloud-based system. Sensitive information doesn’t need to be sent over the network to a remote server, minimizing the risk of data breaches and providing users more control over their personal information.
Personalization is another key motivator for edge deployments, not only in inference but in training. An edge-based LLM can learn how the device user speaks, how they write, etc. This allows the device to fine-tune models to cater to the user’s specific personality and habits, providing a more tailored experience. Doing so on the edge can add additional assurance of privacy to the user.
The final motivator we will address in this article is
scalability. Edge devices are deployed at scale, making it possible to distribute applications across a wide range of devices without overloading central servers.
Challenges in deploying large language models on edge devices
While the advantages of deploying LLMs on edge devices are clear, there are several challenges that developers and organizations must address to ensure success. As before, there are more than we will discuss below.
Let’s first address
resource constraints. Compared to cloud servers, edge devices have limited processing power, memory, and storage. Adapting LLMs to run efficiently on such devices will be a significant technical challenge. After all, large language models are precisely that—large. Shrinking these models without sacrificing performance is a complex task, requiring optimization and quantization techniques. While many in the AI industry are hard at work at doing this, successfully reducing LLM size is going to be mandatory for successful edge deployment, coupled with use-case tailored NPU (Neural Processing Units) deployments.
Energy efficiency is also a huge challenge. Running resource-intensive models on battery-powered devices can drain the battery quickly. Both developers and chip architects need to optimize their designs for energy efficiency to not create noticeable adverse effects on battery life.
Security requirements of LLMs, and by extension any AI implementation, are different from more traditional processors and code. Device OEMs must adapt to this and ensure privacy and data security is maintained. Even though edge computing may enhance data privacy versus cloud-based implementations, it also brings challenges in terms of securing data stored on edge devices.
A final challenge to consider is
compatibility. LLMs may simply not be compatible with all edge devices. Developers must ensure that models are either developed which run on various hardware and software configurations, or that tailored hardware and software will be available to support the custom implementations.
The future of edge-deployed large language models
The large-scale deployment of LLMs on edge devices is not a question of if, but rather a question of when it happens. This will enable smarter, more responsive, and privacy-focused applications across various industries. Developers, researchers, and organizations are actively working to address the challenges associated with this deployment, and as they do, we can expect more powerful and efficient models that run on a broader range of edge devices.
The synergy of large language models and edge computing opens up a world of possibilities. With low latency, enhanced privacy, and the ability to function offline, edge devices become more useful and versatile than ever before.
Training and inferencing at the edge enables AI applications with low latency, enhanced privacy, and the ability to function offline.
semiengineering.com
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