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BlastFunction: A Full-stack Framework Bringing FPGA Hardware Acceleration to Cloud-native Applications
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DOI：10.1145/3472958.png)
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Abstract
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Cloud-native is the umbrella adjective describing the standard approach for developing applications that exploit cloud infrastructures' scalability and elasticity at their best. As the application complexity and user-bases grow, designing for performance becomes a first-class engineering concern. As an answer to these needs, heterogeneous computing platforms gained widespread attention as powerful tools to continue meeting SLAB for compute-intensive cloud-native workloads. We propose BlastFunction, an FPGA-as-a-Service full-stack framework to ease FPGAs' adoption for cloud-native workloads, integrating with the vast spectrum of fundamental cloud models. At the IaaS level, BlastFunction time-shares FPGA-based accelerators to provide multitenant access to accelerated resources without any code rewriting. At the PaaS level, BlastFunction accelerates functionalities leveraging the serverless model and scales functions proactively, depending on the workload's performance. Further lowering the FPGAs' adoption barrier, an accelerators' registry hosts accelerated functions ready to be used within cloud-native applications, bringing the simplicity of a SaaS-like approach to the developers. After an extensive experimental campaign against state-of-the-art cloud scenarios, we show how BlastFunction leads to higher performance metrics (utilization and throughput) against native execution, with minimal latency and overhead differences. Moreover, the scaling scheme we propose outperforms the main serverless autoscaling algorithms in workload performance and scaling operation amount.
Keywords:
Field Programmable Gate Arrays (FPGAs)
cloud-native
time-sharing
autoscaling
hardware acceleration
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2.8
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598
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810
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