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- W2566075159 abstract "This paper presents an architecture framework to easily design hardware accelerators that can effectively tolerate long and variable memory latency using prefetching and access/execute decoupling. Hardware accelerators are becoming increasingly popular in modern computing systems as a promising approach to achieve higher performance and energy efficiency when technology scaling is slowing down. However, today's high-performance accelerators require significant manual efforts to design, in large part due to the need to carefully orchestrate data transfers between external memory and an accelerator. Instead, the proposed framework utilizes automated program analysis along with High-Level Synthesis (HLS) tools to enable prefetching and access/execute decoupling with minimal manual efforts. The framework adds tags to accelerator memory accesses so that hardware prefetching can effectively preload data for accesses with regular patterns. To handle irregular memory accesses, the framework generates an accelerator with decoupled access/execute architecture using program slicing. Experimental results show that the proposed optimizations can significantly improve performance of HLS-generated accelerators (average speedup of 2.28x across eight accelerators) and often reduce energy consumption (average of 15%)." @default.
- W2566075159 created "2017-01-06" @default.
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- W2566075159 date "2016-10-15" @default.
- W2566075159 modified "2023-09-29" @default.
- W2566075159 title "Efficient data supply for hardware accelerators with prefetching and access/execute decoupling" @default.
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- W2566075159 doi "https://doi.org/10.5555/3195638.3195694" @default.
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