marvin::dsp::filters::SIMDBiquad< SampleType, N > Class Template Reference

A SIMD optimised biquad, for running N biquads in parallel. More...

#include <marvin_SIMDBiquad.h>

Public Member Functions
	SIMDBiquad ()
auto	setCoeffs (BiquadCoefficients< SampleType > coeffs) noexcept -> void
auto	setCoeffs (size_t index, BiquadCoefficients< SampleType > coeffs) noexcept -> void
auto	operator() (std::span< SampleType, N > x) noexcept -> void
auto	reset () noexcept -> void

Detailed Description

template<marvin::FloatType SampleType, size_t N>
requires (N > 0)
class marvin::dsp::filters::SIMDBiquad< SampleType, N >

A SIMD optimised biquad, for running N biquads in parallel.

From benchmarks, only gives a speedup in certain cases, and even in those cases, only ~100ns. That being said, a robust parallel structure for filters is arguably nicer than a std::array<filter, N>.

Template Parameters

SampleType	float or double
N	The number of parallel biquads to process

Constructor & Destructor Documentation

SIMDBiquad()

template<marvin::FloatType SampleType, size_t N>

marvin::dsp::filters::SIMDBiquad< SampleType, N >::SIMDBiquad ( )

inline

Constructor

Member Function Documentation

operator()()

template<marvin::FloatType SampleType, size_t N>

auto marvin::dsp::filters::SIMDBiquad< SampleType, N >::operator() ( std::span< SampleType, N > x ) -> void

inlinenoexcept

Processes all samples in x through their respective biquads, and overwrites the values in x

Parameters

x	An array-like containing N samples to be filtered.

reset()

template<marvin::FloatType SampleType, size_t N>

auto marvin::dsp::filters::SIMDBiquad< SampleType, N >::reset ( ) -> void

inlinenoexcept

Zeroes all internal state (except coefficients).

setCoeffs() [1/2]

template<marvin::FloatType SampleType, size_t N>

auto marvin::dsp::filters::SIMDBiquad< SampleType, N >::setCoeffs ( BiquadCoefficients< SampleType > coeffs ) -> void

inlinenoexcept

Sets the coefficients for all filters to the ones passed to the coeffs arg

Parameters

coeffs

A BiquadCoefficients<SampleType> containing the coeffs you want to set.

setCoeffs() [2/2]

template<marvin::FloatType SampleType, size_t N>

auto marvin::dsp::filters::SIMDBiquad< SampleType, N >::setCoeffs ( size_t index, BiquadCoefficients< SampleType > coeffs ) -> void

inlinenoexcept

Sets the coefficients for a specific biquad

Parameters

index
coeffs

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The documentation for this class was generated from the following file:

• /home/runner/work/marvin/marvin/include/marvin/dsp/filters/biquad/marvin_SIMDBiquad.h