signet::forge::QuantizedVectorReader Class Reference

Reads quantized page data (FIXED_LEN_BYTE_ARRAY) and dequantizes to float32 on demand. More...

#include <quantized_vector.hpp>

Classes
struct	RawResult
	Result of a raw (non-dequantized) page read. More...

Public Member Functions
	QuantizedVectorReader (QuantizationParams params)
	Construct a reader with the given quantization parameters.
std::vector< std::vector< float > >	read_page (const uint8_t *data, size_t data_size)
	Read an entire page and dequantize all vectors to float32.
std::vector< float >	read_vector (const uint8_t *page_data, size_t page_size, size_t index)
	Read and dequantize a single vector by index within the page.
expected< RawResult >	read_raw (const uint8_t *data, size_t data_size)
	Read raw quantized bytes without dequantization.

Detailed Description

Reads quantized page data (FIXED_LEN_BYTE_ARRAY) and dequantizes to float32 on demand.

See also

QuantizedVectorWriter, Dequantizer, QuantizationParams

Definition at line 325 of file quantized_vector.hpp.

Constructor & Destructor Documentation

QuantizedVectorReader()

signet::forge::QuantizedVectorReader::QuantizedVectorReader ( QuantizationParams  params )

inlineexplicit

Construct a reader with the given quantization parameters.

Definition at line 328 of file quantized_vector.hpp.

Member Function Documentation

read_page()

std::vector< std::vector< float > > signet::forge::QuantizedVectorReader::read_page ( const uint8_t *  data, size_t  data_size  )

inline

Read an entire page and dequantize all vectors to float32.

Parameters

data	Pointer to page data (FIXED_LEN_BYTE_ARRAY values).
data_size	Size of the page data in bytes.

Returns

Vector of dequantized float vectors.

Definition at line 1299 of file quantized_vector.hpp.

read_raw()

expected< QuantizedVectorReader::RawResult > signet::forge::QuantizedVectorReader::read_raw ( const uint8_t *  data, size_t  data_size  )

inline

Read raw quantized bytes without dequantization.

Parameters

data	Pointer to page data.
data_size	Size of the page data in bytes.

Returns

A RawResult pointing into the input buffer, or an error.

Definition at line 1330 of file quantized_vector.hpp.

read_vector()

std::vector< float > signet::forge::QuantizedVectorReader::read_vector ( const uint8_t *  page_data, size_t  page_size, size_t  index  )

inline

Read and dequantize a single vector by index within the page.

Parameters

page_data	Pointer to page data.
page_size	Size of the page data in bytes.
index	Zero-based vector index within the page.

Returns

Dequantized float vector of size dim.

Definition at line 1313 of file quantized_vector.hpp.

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

• include/signet/ai/quantized_vector.hpp