HiFi4_NDSP

NatureDSP Library for HiFi4 DSP cores

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 : HiFi4_VFPU_v510_demo.xws & HiFi4_VFPU_v510_library.xws
• Building and executing the xws in Xtensa Xplorer is described in the API Reference Document.
• Building and executing the source code in linux is described in the https://github.com/foss-xtensa/ndsplib-hifi4/tree/main/doc.
• Detailed release documentation can be extracted from lib.xws/doc folder.

Release v5.1.0 Brief:

• Release Date : Feb 2025
• This release contains following new APIs to support Coeff & Delay Line configuration of certain IIR and FIR Float variants.
• Verification & testing has been done with a very limited number of LX8.0.3 HiFi-4 cores, using the RJ-2024.3 & RJ-2024.4 tool chains.

NDSP_HiFi4

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.