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Code Issues Releases Wiki Activity

Use bumpalo in word docids

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This commit is contained in:
ManyTheFish 2024-10-15 12:04:20 +02:00
parent c75de1f391
commit 86a0097311
1 changed files with 34 additions and 24 deletions
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58
milli/src/update/new/extract/searchable/extract_word_docids.rs
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@ -1,9 +1,11 @@
use std::cell::RefCell;
use std::collections::HashMap;
use std::fs::File;
use std::mem::size_of;
use std::num::NonZero;
use std::ops::DerefMut as _;
use bumpalo::collections::vec::Vec as BumpVec;
use bumpalo::Bump;
use grenad::{Merger, MergerBuilder};
use heed::RoTxn;
@ -113,30 +115,33 @@ impl WordDocidsCachedSorters {
word: &str,
exact: bool,
docid: u32,
buffer: &mut Vec<u8>,
bump: &Bump,
) -> Result<()> {
let key = word.as_bytes();
let word_bytes = word.as_bytes();
if exact {
self.exact_word_docids.insert_add_u32(key, docid)?;
self.exact_word_docids.insert_add_u32(word_bytes, docid)?;
} else {
self.word_docids.insert_add_u32(key, docid)?;
self.word_docids.insert_add_u32(word_bytes, docid)?;
}
let buffer_size = word_bytes.len() + 1 + size_of::<FieldId>();
let mut buffer = BumpVec::with_capacity_in(buffer_size, bump);
buffer.clear();
buffer.extend_from_slice(word.as_bytes());
buffer.extend_from_slice(word_bytes);
buffer.push(0);
buffer.extend_from_slice(&field_id.to_be_bytes());
self.word_fid_docids.insert_add_u32(buffer, docid)?;
self.word_fid_docids.insert_add_u32(&buffer, docid)?;
let position = bucketed_position(position);
buffer.clear();
buffer.extend_from_slice(word.as_bytes());
buffer.extend_from_slice(word_bytes);
buffer.push(0);
buffer.extend_from_slice(&position.to_be_bytes());
self.word_position_docids.insert_add_u32(buffer, docid)?;
self.word_position_docids.insert_add_u32(&buffer, docid)?;
if self.current_docid.map_or(false, |id| docid != id) {
self.flush_fid_word_count(buffer)?;
self.flush_fid_word_count(&mut buffer)?;
}
self.fid_word_count
@ -155,30 +160,33 @@ impl WordDocidsCachedSorters {
word: &str,
exact: bool,
docid: u32,
buffer: &mut Vec<u8>,
bump: &Bump,
) -> Result<()> {
let key = word.as_bytes();
let word_bytes = word.as_bytes();
if exact {
self.exact_word_docids.insert_del_u32(key, docid)?;
self.exact_word_docids.insert_del_u32(word_bytes, docid)?;
} else {
self.word_docids.insert_del_u32(key, docid)?;
self.word_docids.insert_del_u32(word_bytes, docid)?;
}
let buffer_size = word_bytes.len() + 1 + size_of::<FieldId>();
let mut buffer = BumpVec::with_capacity_in(buffer_size, bump);
buffer.clear();
buffer.extend_from_slice(word.as_bytes());
buffer.extend_from_slice(word_bytes);
buffer.push(0);
buffer.extend_from_slice(&field_id.to_be_bytes());
self.word_fid_docids.insert_del_u32(buffer, docid)?;
self.word_fid_docids.insert_del_u32(&buffer, docid)?;
let position = bucketed_position(position);
buffer.clear();
buffer.extend_from_slice(word.as_bytes());
buffer.extend_from_slice(word_bytes);
buffer.push(0);
buffer.extend_from_slice(&position.to_be_bytes());
self.word_position_docids.insert_del_u32(buffer, docid)?;
self.word_position_docids.insert_del_u32(&buffer, docid)?;
if self.current_docid.map_or(false, |id| docid != id) {
self.flush_fid_word_count(buffer)?;
self.flush_fid_word_count(&mut buffer)?;
}
self.fid_word_count
@ -190,7 +198,7 @@ impl WordDocidsCachedSorters {
Ok(())
}
fn flush_fid_word_count(&mut self, buffer: &mut Vec<u8>) -> Result<()> {
fn flush_fid_word_count(&mut self, buffer: &mut BumpVec<u8>) -> Result<()> {
for (fid, (current_count, new_count)) in self.fid_word_count.drain() {
if current_count != new_count {
if current_count <= MAX_COUNTED_WORDS {
@ -415,11 +423,11 @@ impl WordDocidsExtractors {
let cached_sorter = cached_sorter.deref_mut();
let mut new_fields_ids_map = context.new_fields_ids_map.borrow_mut();
let new_fields_ids_map = new_fields_ids_map.deref_mut();
let doc_alloc = &context.doc_alloc;
let exact_attributes = index.exact_attributes(rtxn)?;
let is_exact_attribute =
|fname: &str| exact_attributes.iter().any(|attr| contained_in(fname, attr));
let mut buffer = Vec::new();
match document_change {
DocumentChange::Deletion(inner) => {
let mut token_fn = |fname: &str, fid, pos, word: &str| {
@ -430,7 +438,7 @@ impl WordDocidsExtractors {
word,
is_exact_attribute(fname),
inner.docid(),
&mut buffer,
doc_alloc,
)
.map_err(crate::Error::from)
};
@ -449,7 +457,7 @@ impl WordDocidsExtractors {
word,
is_exact_attribute(fname),
inner.docid(),
&mut buffer,
doc_alloc,
)
.map_err(crate::Error::from)
};
@ -467,7 +475,7 @@ impl WordDocidsExtractors {
word,
is_exact_attribute(fname),
inner.docid(),
&mut buffer,
doc_alloc,
)
.map_err(crate::Error::from)
};
@ -486,7 +494,7 @@ impl WordDocidsExtractors {
word,
is_exact_attribute(fname),
inner.docid(),
&mut buffer,
doc_alloc,
)
.map_err(crate::Error::from)
};
@ -498,6 +506,8 @@ impl WordDocidsExtractors {
}
}
let buffer_size = size_of::<FieldId>();
let mut buffer = BumpVec::with_capacity_in(buffer_size, &context.doc_alloc);
cached_sorter.flush_fid_word_count(&mut buffer)
}