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Design Guide—Generative AI in the Enterprise - Inferencing
Introduction AI Model Inferencing
What is inferencing?
Inferencing use cases
Challenges with inferencing
Inferencing concepts
Solution Components Solution Architecture Validation Results Performance Characterization and Sizing Inferencing Operations Dell Professional Services for Generative AI Conclusion References

Challenges with inferencing

Challenges with inferencing

  • Inferencing, the process of using a trained model to generate predictions or responses, can come with several challenges. Common challenges associated with inferencing in AI include:

    • Computational resources—Inferencing can be computationally intensive, especially for large and complex models. Even though inferencing can be less demanding than model training or fine-tuning, generating predictions or responses in real time might require significant processing power, memory, and efficient use of hardware resources.
    • Latency and responsiveness—Achieving low-latency and highly responsive inferencing is crucial in many real-time applications. Balancing the computational demands of the model with the need for fast responses can be challenging, particularly when dealing with high volumes of concurrent user requests.
    • Model size and efficiency—LLMs, such as GPT-3, can have millions or even billions of parameters. Deploying and running such models efficiently, particularly on resource-constrained devices or in edge computing scenarios, can be a challenge due to memory and storage requirements.
    • Deployment scalability—Scaling up the deployment of a model handles increasing user demand. Ensuring that the system can handle concurrent inferencing requests and dynamically allocate resources to meet the workload can be complex, requiring careful architecture design and optimization.
    • Model optimization and compression—Optimizing and compressing models for inferencing is necessary to reduce memory and computational requirements, enabling efficient deployment on various devices or platforms. Balancing the trade-off between model size, inference speed, and accuracy is a nontrivial task.
    • Explainability and interpretability—Understanding and explaining the reasoning behind the model's predictions or responses is crucial in many applications, particularly in domains where accountability, transparency, and ethical considerations are of paramount importance. Ensuring the interpretability of the model's decisions during inferencing can be a challenge, especially for complex models like deep neural networks.
    • Quality control and error handling—Detecting and handling errors or inaccuracies during inferencing is important to maintain the quality and reliability of the system. Implementing effective error handling, monitoring, and quality control mechanisms to identify and rectify issues is essential.

    These challenges highlight the need for careful consideration and optimization in various aspects of inferencing, ranging from computational efficiency and scalability to model optimization, interpretability, and quality control. Addressing these challenges effectively contributes to the development of robust and reliable AI systems for inferencing.

    Dell Technologies and NVIDIA help solve these challenges by collaborating to deliver a validated and integrated hardware and software solution, built on Dell high-performance best-in-class infrastructure, and using the award-winning software stack and the industry-leading accelerator technology and AI enterprise software stack of NVIDIA.