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High Performance Graph-Parallel Accelerator Design
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DOI：10.1016/j.future.2026.108385.png)
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Graph applications are becoming increasingly important with their widespread usage and the amounts of data they deal with. Biological and social web graphs are well-known examples that show the importance of efficiently processing graph analytic applications and problems. Due to limited resources, efficiency and performance are much more critical in embedded systems. We propose an efficient source-to-source-based methodology for graph applications that gives the freedom of not knowing the low-level details of parallelization and distribution by translating any vertex-centric C++ graph application into a pipelined SystemC model. High-Level Synthesis (HLS) tools can synthesize the generated SystemC model to obtain the design of the hardware. To support different types of graph applications, we have implemented features like non-standard application support, active set functionality, asynchronous execution support, conditional pipeline support, non-neighbor data access support, multiple pipeline support, and user-defined data type functionality. Our accelerator development flow can generate better-performing accelerators than OpenCL. Furthermore, it dramatically reduces the design time compared to using HLS tools. Therefore, the proposed methodology can generate fast accelerators with minimal effort using a high-level language description from the user.
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