HiFi_3_NDSP

• NatureDSP Library for HiFi3 DSP cores
• The source code is common to both HiFi-3 and HiFi-3Z cores.
• Separate xws are provided for HiFi3 and HiFi3z.
• Select the required HiFi-3 core for building, in both xws and linux evvironments.

The repo is organized as follows.

xws:

• Last stable release version of the NDSP containing two xws files.
• An xws each, for the library-kernels and the test-driver. Ex : HiFi3_VFPU_Library_v4_1_0.xws & HiFi1_VFPU_Demo_v4_1_0.xws
• Building and executing the xws in Xtensa Xplorer is described in the API Reference Document.
• Detailed release documentation can be extracted from lib.xws/doc folder.

Release v4.1.0 Brief:

• The source code has been tested with a limited number of HiFi-3 and HiFi-3z cores, using the RI-2022.10 tool chain.
• Performance data: The performance and the API reference document remains the same as the earlier release.
• Known issues: None.

NDSP_HiFi3

• This contains the source code along with make files that will build in linux environment.

doc folder

This contains help documentation on how to build the source code in linux and run the performance and functional regressions.