pulp::signal::ConvolverSpectrumArenaT< SampleType > Class Template Reference

A fixed number of equal-length spectra in one contiguous, 64-byte-aligned block, each starting on a 64-byte boundary. More...

#include <convolver_messages.hpp>

Public Types
using	value_type = std::complex<SampleType>

Public Member Functions
	ConvolverSpectrumArenaT ()=default
	ConvolverSpectrumArenaT (std::size_t count, std::size_t bins)
	ConvolverSpectrumArenaT (const ConvolverSpectrumArenaT &)=delete
ConvolverSpectrumArenaT &	operator= (const ConvolverSpectrumArenaT &)=delete
	ConvolverSpectrumArenaT (ConvolverSpectrumArenaT &&) noexcept=default
ConvolverSpectrumArenaT &	operator= (ConvolverSpectrumArenaT &&) noexcept=default
void	assign (std::size_t count, std::size_t bins)
	Allocate count zeroed spectra of bins values each.
std::size_t	size () const noexcept
bool	empty () const noexcept
std::size_t	bins () const noexcept
std::size_t	stride () const noexcept
std::size_t	footprint_bytes () const noexcept
	Bytes this arena holds, including its alignment slack.
std::span< value_type >	operator[] (std::size_t i) noexcept
std::span< const value_type >	operator[] (std::size_t i) const noexcept
void	fill_zero () noexcept
	Zero every spectrum. Allocation-free.

Static Public Member Functions
static constexpr std::size_t	stride_for (std::size_t bins) noexcept
	Distance between consecutive spectra in value_types: bins rounded up to a whole number of 64-byte lines.

Detailed Description

template<typename SampleType = float>
class pulp::signal::ConvolverSpectrumArenaT< SampleType >

A fixed number of equal-length spectra in one contiguous, 64-byte-aligned block, each starting on a 64-byte boundary.

The partitioned convolver keeps its IR partition spectra and its input history in these. One block per set keeps the per-block multiply-accumulate walking a compact address range: separately allocated spectra, or spectra padded to the full FFT width, spread the same data over twice the memory, which costs most when several convolvers run side by side.

operator[] returns a span of bins() values. Allocation happens only in the sizing constructor and assign(); everything else is allocation-free.

Member Typedef Documentation

value_type

template<typename SampleType = float>

using pulp::signal::ConvolverSpectrumArenaT< SampleType >::value_type = std::complex<SampleType>

Constructor & Destructor Documentation

ConvolverSpectrumArenaT() [1/4]

template<typename SampleType = float>

pulp::signal::ConvolverSpectrumArenaT< SampleType >::ConvolverSpectrumArenaT ( )

default

ConvolverSpectrumArenaT() [2/4]

template<typename SampleType = float>

pulp::signal::ConvolverSpectrumArenaT< SampleType >::ConvolverSpectrumArenaT ( std::size_t count, std::size_t bins )

inline

ConvolverSpectrumArenaT() [3/4]

template<typename SampleType = float>

pulp::signal::ConvolverSpectrumArenaT< SampleType >::ConvolverSpectrumArenaT ( const ConvolverSpectrumArenaT< SampleType > & )

delete

ConvolverSpectrumArenaT() [4/4]

template<typename SampleType = float>

pulp::signal::ConvolverSpectrumArenaT< SampleType >::ConvolverSpectrumArenaT ( ConvolverSpectrumArenaT< SampleType > && )

defaultnoexcept

Member Function Documentation

assign()

template<typename SampleType = float>

void pulp::signal::ConvolverSpectrumArenaT< SampleType >::assign ( std::size_t count, std::size_t bins )

inline

Allocate count zeroed spectra of bins values each.

bins()

template<typename SampleType = float>

std::size_t pulp::signal::ConvolverSpectrumArenaT< SampleType >::bins ( ) const

inlinenoexcept

empty()

template<typename SampleType = float>

bool pulp::signal::ConvolverSpectrumArenaT< SampleType >::empty ( ) const

inlinenoexcept

fill_zero()

template<typename SampleType = float>

void pulp::signal::ConvolverSpectrumArenaT< SampleType >::fill_zero ( )

inlinenoexcept

Zero every spectrum. Allocation-free.

footprint_bytes()

template<typename SampleType = float>

std::size_t pulp::signal::ConvolverSpectrumArenaT< SampleType >::footprint_bytes ( ) const

inlinenoexcept

Bytes this arena holds, including its alignment slack.

operator=() [1/2]

template<typename SampleType = float>

ConvolverSpectrumArenaT & pulp::signal::ConvolverSpectrumArenaT< SampleType >::operator= ( const ConvolverSpectrumArenaT< SampleType > & )

delete

operator=() [2/2]

template<typename SampleType = float>

ConvolverSpectrumArenaT & pulp::signal::ConvolverSpectrumArenaT< SampleType >::operator= ( ConvolverSpectrumArenaT< SampleType > && )

defaultnoexcept

operator[]() [1/2]

template<typename SampleType = float>

std::span< const value_type > pulp::signal::ConvolverSpectrumArenaT< SampleType >::operator[] ( std::size_t i ) const

inlinenoexcept

operator[]() [2/2]

template<typename SampleType = float>

std::span< value_type > pulp::signal::ConvolverSpectrumArenaT< SampleType >::operator[] ( std::size_t i )

inlinenoexcept

size()

template<typename SampleType = float>

std::size_t pulp::signal::ConvolverSpectrumArenaT< SampleType >::size ( ) const

inlinenoexcept

stride()

template<typename SampleType = float>

std::size_t pulp::signal::ConvolverSpectrumArenaT< SampleType >::stride ( ) const

inlinenoexcept

stride_for()

template<typename SampleType = float>

constexpr std::size_t pulp::signal::ConvolverSpectrumArenaT< SampleType >::stride_for ( std::size_t bins )

inlinestaticconstexprnoexcept

Distance between consecutive spectra in value_types: bins rounded up to a whole number of 64-byte lines.

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

• /home/runner/work/pulp/pulp/core/signal/include/pulp/signal/convolver_messages.hpp