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3DRA: Dynamic Data-Driven Reconfigurable Architecture
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DOI：10.1109/ACCESS.2023.3319404.png)
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Specialized accelerators are becoming a standard way to achieve both high-performance and efficient computation. We see this trend extending to all areas of computing, from low-power edge-computing systems to high-performance processors in datacenters. Reconfigurable architectures, such as Coarse-Grained Reconfigurable Arrays (CGRAs), attempt to find a balance between performance and energy efficiency by trading off dynamism, flexibility, and programmability. Our goal in this work is to find a new solution that provides the flexibility of traditional CPUs, with the parallelism of a CGRA, to improve overall performance and energy efficiency. Our design, the Dynamic Data-Driven Reconfigurable Architecture (3DRA), is unique, in that it targets both low-latency and high-throughput workloads. This architecture implements a dynamic dataflow execution model that resolves data dependencies at run-time and utilizes non-blocking broadcast communication that reduces transmission latency to a single cycle to achieve high performance and energy efficiency. By employing a dynamic model, 3DRA eliminates costly mapping algorithms during compilation and improves the flexibility and compilation time of traditional CGRAs. The 3DRA architecture achieves up to 731MIPS/mW, and it improves performance by up to 4.43x compared to the current state-of-the-art CGRA-based accelerators.
Keyword:
Reconfigurable architectures
coarse-grained reconfigurable array
CGRA
accelerators
dynamic dataflow
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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