Published: 13th May, 2024
Context
Apple introduced the M4 chip with the iPad Pro, boasting significant improvements in performance, notably the inclusion of a 16-core Neural Engine, Apple's version of a Neural Processing Unit (NPU).
What is Neural Processing Unit?
- An NPU is a specialized processor designed to accelerate neural network processes, which are the basis for AI-related tasks like speech recognition, natural language processing, and photo/video editing.
- In consumer gadgets like smartphones and tablets, the NPU is integrated within the main processor, while in data centers, it might be a separate processor.
- Different from CPU and GPU
- Central processing unit (CPU) execute instructions sequentially, while NPUs employ parallel computing for simultaneous execution of multiple calculations, making them efficient for AI tasks.
- Graphics processing unit (GPU) also have parallel computing capabilities but are mainly used for graphic rendering. NPUs are dedicated to AI tasks, making them more efficient and less power-consuming.
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