The Lossless Compression parameter tab is shown as following.
Figure 1.
Lossless Compression Parameter Tab
- Compression/Decompression Mode
- Only Decompression mode is supported currently.
- History Window Size
- Select the suitable History Window Size from the drop-down options. Possible options for this parameter are 32768, 16384, 8192, 4096. Use the same or higher History Window Size that the input file is compressed with. If the user does not know the History Window Size used in compressing the file, use the default value of 32768.
- Input Data Width
- Choose the suitable Input Data Width from the drop-down options. Possible options for this parameter are 512, 256, 128, 64, 32. We recommend to use the default 128-bit input data width option for optimal resource and performance.
Note: Output Data Width of the Lossless Compression IP is fixed to 256-bit.