Lsp-dsp-lib

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LSP DSP library

https://github.com/sadko4u/lsp-dsp-lib
DSP library for signal processing

DSP library for digital signal processing (and more)

This library provides set of functions that perform SIMD-optimized computing on several hardware architectures.

Currently supported set of SIMD extensions:

i586 architecture (32-bit): SSE, SSE2, SSE3, AVX, AVX2 and FMA3; x86_64 architecture (64-bit): SSE, SSE2, SSE3, AVX, AVX2 and FMA3; armv7 architecture (32-bit): NEON; AArch64 architecture (64-bit): ASIMD. All functions currently operate on IEEE-754 single-precision floating-point numbers.

Current set of functions provided:

Functions that gather system information and optimize CPU for better computing; Cooley-Tukey 1-dimensional FFT algorithms with unpacked complex numbers; Cooley-Tukey 1-dimensional FFT algorithms with packed complex numbers; Direct convolution algorithm; Fast convolution functions that enhance performance of FFT-based convolution algorithms; Biquad static filter transform and processing algorithms; Biquad dynamic filter transform and processing algorithms; Floating-point operations: copying, moving, protection from NaNs and denormals; Parallel arithmetics functions on long vectors including fused multiply operations; Basic unpacked complex number arithmetics; Basic packed complex number arithmetics; Some functions that operate on RGB and HSL colors and their conversions; Mid/Side matrix functions for converting Stereo channel to Mid/Side and back; Functions for searching minimums and maximums; Resampling functions based on Lanczos filter; Some set of function to work with 3D mathematics.

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• Runs-on:GNU/Linux

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LGPL-3.0-or-later

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Craig Topham

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21 August 2020

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