Struct OptP4DBlock 

pub struct OptP4DBlock {
    pub first_doc_id: u32,
    pub last_doc_id: u32,
    pub num_docs: u16,
    pub doc_bit_width: u8,
    pub tf_bit_width: u8,
    pub max_tf: u32,
    pub max_block_score: f32,
    pub doc_deltas: Vec<u8>,
    pub doc_exceptions: Vec<(u8, u32)>,
    pub term_freqs: Vec<u8>,
    pub tf_exceptions: Vec<(u8, u32)>,
}

A single OptP4D block

Fields

first_doc_id: u32

First doc_id in this block (absolute)

last_doc_id: u32

Last doc_id in this block (absolute)

num_docs: u16

Number of documents in this block

doc_bit_width: u8

Bit width for delta encoding

tf_bit_width: u8

Bit width for term frequencies

max_tf: u32

Maximum term frequency in this block

max_block_score: f32

Maximum block score for WAND/MaxScore

doc_deltas: Vec<u8>

Packed doc deltas

doc_exceptions: Vec<(u8, u32)>

Doc delta exceptions: (position, full_delta)

term_freqs: Vec<u8>

Packed term frequencies

tf_exceptions: Vec<(u8, u32)>

TF exceptions: (position, full_tf)

Implementations

impl OptP4DBlock

pub fn serialize<W: Write>(&self, writer: &mut W) -> Result<()>

Serialize the block

pub fn deserialize<R: Read>(reader: &mut R) -> Result<Self>

Deserialize a block

pub fn decode_doc_ids(&self) -> Vec<u32>

Decode doc_ids from this block using SIMD-accelerated delta decoding

pub fn decode_doc_ids_into(&self, output: &mut [u32]) -> usize

Decode doc_ids into a pre-allocated buffer (avoids allocation)

pub fn decode_term_freqs(&self) -> Vec<u32>

Decode term frequencies from this block using SIMD acceleration

pub fn decode_term_freqs_into(&self, output: &mut [u32]) -> usize

Decode term frequencies into a pre-allocated buffer (avoids allocation)

Trait Implementations

impl Clone for OptP4DBlock

fn clone(&self) -> OptP4DBlock

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for OptP4DBlock

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.