Xilinx ZSTD Compression

ZSTD example resides in L2/tests/zstd_quadcore_compress directory.

Follow build instructions to generate host executable and binary.

The binary host file generated is named as “xil_zstd” and it is present in ./build directory.


Overall Resource Utilization

Table below presents resource utilization of Xilinx Zstd decompress kernel supporting Window Size of 32KB. The final Fmax achieved is 284MHz.

Compress 40K 79 37

Performance Data

Topic Results
Compression 1.17 GB/s
Average Compression Ratio 2.68x (Silesia Benchmark)

Executable Usage:

  1. To execute single file for decompression : ./build/xil_zlib -cx ./build/xclbin_<xsa_name>_<TARGET mode>/compress.xclbin -c <compressed file_name>

  2. To decompress multiple files : ./build/xil_zlib -cx ./build/xclbin_<xsa_name>_<TARGET mode>/compress.xclbin -cfl <files.list>

    • <files.list>: Contains various file names with current path

The usage of the generated executable is as follows:

Usage: application.exe -[-h-d-sx-l]
     --help,                 -h      Print Help Options   Default: [false]
     --decompress,           -c      Decompress
     --decompress_xclbin,    -cx     Decompress XCLBIN
     --file_list,            -cfl    List of Input Files