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Lossless Compression Decoders for Bitstreams and Software Binaries Based on High-Level Synthesis

机译:基于高级综合的比特流和软件二进制无损压缩解码器

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As the density of field-programmable gate arrays continues to increase, the size of configuration bitstreams grows accordingly. Compression techniques can reduce memory size and save external memory bandwidth. To accelerate the configuration process and reduce the software startup time, four open-source lossless compression decoders developed using high-level synthesis techniques are presented. Moreover, in order to balance the objectives of compression ratio, decompression throughput, and hardware resource overhead, various improvements and optimizations are proposed. Full bitstreams and software binaries have been collected as a benchmark, and 33 partial bitstreams have also been developed and integrated into the benchmark. Evaluations of the synthesizable compression decoders are demonstrated on a Xilinx ZC706 board, showing higher decompression throughput than those of the existing lossless compression decoders using our benchmark. The proposed decoders can reduce software startup time by up to 31.23% in embedded systems and 69.83% reduction of reconfiguration time for partial reconfigurable systems.
机译:随着现场可编程门阵列的密度持续增加,配置比特流的大小也相应增加。压缩技术可以减小内存大小并节省外部内存带宽。为了加快配置过程并减少软件启动时间,提出了四种使用高级综合技术开发的开源无损压缩解码器。此外,为了平衡压缩率,解压缩吞吐量和硬件资源开销的目标,提出了各种改进和优化。已收集了完整的比特流和软件二进制文件作为基准,还开发了33个部分比特流并将其集成到基准中。在Xilinx ZC706板上演示了对可合成压缩解码器的评估,与使用我们的基准测试的现有无损压缩解码器相比,其解压缩吞吐量更高。所提出的解码器可以在嵌入式系统中最多减少31.23%的软件启动时间,而对于部分可重配置系统则可以减少69.83%的重配置时间。

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