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AIDA: Associative In-Memory Deep Learning Accelerator

Abstract:

This work presents an associative in-memory deep learning processor (AIDA) for edge devices. An associative processor is a massively parallel non-von Neumann accelerator that uses memory cells for computing; the bulk of data is never transferred outside the memory arrays for external processing. AIDA utilizes a dynamic content addressable memory for both data storage and processing, and benefits from sparsity and limited arithmetic precision, typical in modern deep neural networks. The novel in-data processing implementation designed for the AIDA accelerator achieves a speedup of 270× over an advanced central processing unit at more than three orders-of-magnitude better energy efficiency.