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| </pre><pre class="rust"><code><span class="kw">use </span>common::TinySet; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::docset::{DocSet, TERMINATED}; |
| <span class="kw">use </span><span class="kw">crate</span>::query::score_combiner::{DoNothingCombiner, ScoreCombiner}; |
| <span class="kw">use </span><span class="kw">crate</span>::query::Scorer; |
| <span class="kw">use crate</span>::{DocId, Score}; |
| |
| <span class="kw">const </span>HORIZON_NUM_TINYBITSETS: usize = <span class="number">64</span>; |
| <span class="kw">const </span>HORIZON: u32 = <span class="number">64u32 </span>* HORIZON_NUM_TINYBITSETS <span class="kw">as </span>u32; |
| |
| <span class="comment">// `drain_filter` is not stable yet. |
| // This function is similar except that it does is not unstable, and |
| // it does not keep the original vector ordering. |
| // |
| // Also, it does not "yield" any elements. |
| </span><span class="kw">fn </span>unordered_drain_filter<T, P>(v: <span class="kw-2">&mut </span>Vec<T>, <span class="kw-2">mut </span>predicate: P) |
| <span class="kw">where </span>P: FnMut(<span class="kw-2">&mut </span>T) -> bool { |
| <span class="kw">let </span><span class="kw-2">mut </span>i = <span class="number">0</span>; |
| <span class="kw">while </span>i < v.len() { |
| <span class="kw">if </span>predicate(<span class="kw-2">&mut </span>v[i]) { |
| v.swap_remove(i); |
| } <span class="kw">else </span>{ |
| i += <span class="number">1</span>; |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Creates a `DocSet` that iterate through the union of two or more `DocSet`s. |
| </span><span class="kw">pub struct </span>Union<TScorer, TScoreCombiner = DoNothingCombiner> { |
| docsets: Vec<TScorer>, |
| bitsets: Box<[TinySet; HORIZON_NUM_TINYBITSETS]>, |
| scores: Box<[TScoreCombiner; HORIZON <span class="kw">as </span>usize]>, |
| cursor: usize, |
| offset: DocId, |
| doc: DocId, |
| score: Score, |
| } |
| |
| <span class="kw">fn </span>refill<TScorer: Scorer, TScoreCombiner: ScoreCombiner>( |
| scorers: <span class="kw-2">&mut </span>Vec<TScorer>, |
| bitsets: <span class="kw-2">&mut </span>[TinySet; HORIZON_NUM_TINYBITSETS], |
| score_combiner: <span class="kw-2">&mut </span>[TScoreCombiner; HORIZON <span class="kw">as </span>usize], |
| min_doc: DocId, |
| ) { |
| unordered_drain_filter(scorers, |scorer| { |
| <span class="kw">let </span>horizon = min_doc + HORIZON <span class="kw">as </span>u32; |
| <span class="kw">loop </span>{ |
| <span class="kw">let </span>doc = scorer.doc(); |
| <span class="kw">if </span>doc >= horizon { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| <span class="comment">// add this document |
| </span><span class="kw">let </span>delta = doc - min_doc; |
| bitsets[(delta / <span class="number">64</span>) <span class="kw">as </span>usize].insert_mut(delta % <span class="number">64u32</span>); |
| score_combiner[delta <span class="kw">as </span>usize].update(scorer); |
| <span class="kw">if </span>scorer.advance() == TERMINATED { |
| <span class="comment">// remove the docset, it has been entirely consumed. |
| </span><span class="kw">return </span><span class="bool-val">true</span>; |
| } |
| } |
| }); |
| } |
| |
| <span class="kw">impl</span><TScorer: Scorer, TScoreCombiner: ScoreCombiner> Union<TScorer, TScoreCombiner> { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>build( |
| docsets: Vec<TScorer>, |
| score_combiner_fn: <span class="kw">impl </span>FnOnce() -> TScoreCombiner, |
| ) -> Union<TScorer, TScoreCombiner> { |
| <span class="kw">let </span>non_empty_docsets: Vec<TScorer> = docsets |
| .into_iter() |
| .filter(|docset| docset.doc() != TERMINATED) |
| .collect(); |
| <span class="kw">let </span><span class="kw-2">mut </span>union = Union { |
| docsets: non_empty_docsets, |
| bitsets: Box::new([TinySet::empty(); HORIZON_NUM_TINYBITSETS]), |
| scores: Box::new([score_combiner_fn(); HORIZON <span class="kw">as </span>usize]), |
| cursor: HORIZON_NUM_TINYBITSETS, |
| offset: <span class="number">0</span>, |
| doc: <span class="number">0</span>, |
| score: <span class="number">0.0</span>, |
| }; |
| <span class="kw">if </span>union.refill() { |
| union.advance(); |
| } <span class="kw">else </span>{ |
| union.doc = TERMINATED; |
| } |
| union |
| } |
| |
| <span class="kw">fn </span>refill(<span class="kw-2">&mut </span><span class="self">self</span>) -> bool { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(min_doc) = <span class="self">self</span>.docsets.iter().map(DocSet::doc).min() { |
| <span class="self">self</span>.offset = min_doc; |
| <span class="self">self</span>.cursor = <span class="number">0</span>; |
| <span class="self">self</span>.doc = min_doc; |
| refill( |
| <span class="kw-2">&mut </span><span class="self">self</span>.docsets, |
| <span class="kw-2">&mut </span><span class="self">self</span>.bitsets, |
| <span class="kw-2">&mut </span><span class="self">self</span>.scores, |
| min_doc, |
| ); |
| <span class="bool-val">true |
| </span>} <span class="kw">else </span>{ |
| <span class="bool-val">false |
| </span>} |
| } |
| |
| <span class="kw">fn </span>advance_buffered(<span class="kw-2">&mut </span><span class="self">self</span>) -> bool { |
| <span class="kw">while </span><span class="self">self</span>.cursor < HORIZON_NUM_TINYBITSETS { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(val) = <span class="self">self</span>.bitsets[<span class="self">self</span>.cursor].pop_lowest() { |
| <span class="kw">let </span>delta = val + (<span class="self">self</span>.cursor <span class="kw">as </span>u32) * <span class="number">64</span>; |
| <span class="self">self</span>.doc = <span class="self">self</span>.offset + delta; |
| <span class="kw">let </span>score_combiner = <span class="kw-2">&mut </span><span class="self">self</span>.scores[delta <span class="kw">as </span>usize]; |
| <span class="self">self</span>.score = score_combiner.score(); |
| score_combiner.clear(); |
| <span class="kw">return </span><span class="bool-val">true</span>; |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.cursor += <span class="number">1</span>; |
| } |
| } |
| <span class="bool-val">false |
| </span>} |
| } |
| |
| <span class="kw">impl</span><TScorer, TScoreCombiner> DocSet <span class="kw">for </span>Union<TScorer, TScoreCombiner> |
| <span class="kw">where |
| </span>TScorer: Scorer, |
| TScoreCombiner: ScoreCombiner, |
| { |
| <span class="kw">fn </span>advance(<span class="kw-2">&mut </span><span class="self">self</span>) -> DocId { |
| <span class="kw">if </span><span class="self">self</span>.advance_buffered() { |
| <span class="kw">return </span><span class="self">self</span>.doc; |
| } |
| <span class="kw">if </span>!<span class="self">self</span>.refill() { |
| <span class="self">self</span>.doc = TERMINATED; |
| <span class="kw">return </span>TERMINATED; |
| } |
| <span class="kw">if </span>!<span class="self">self</span>.advance_buffered() { |
| <span class="kw">return </span>TERMINATED; |
| } |
| <span class="self">self</span>.doc |
| } |
| |
| <span class="kw">fn </span>seek(<span class="kw-2">&mut </span><span class="self">self</span>, target: DocId) -> DocId { |
| <span class="kw">if </span><span class="self">self</span>.doc >= target { |
| <span class="kw">return </span><span class="self">self</span>.doc; |
| } |
| <span class="kw">let </span>gap = target - <span class="self">self</span>.offset; |
| <span class="kw">if </span>gap < HORIZON { |
| <span class="comment">// Our value is within the buffered horizon. |
| |
| // Skipping to corresponding bucket. |
| </span><span class="kw">let </span>new_cursor = gap <span class="kw">as </span>usize / <span class="number">64</span>; |
| <span class="kw">for </span>obsolete_tinyset <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self</span>.bitsets[<span class="self">self</span>.cursor..new_cursor] { |
| obsolete_tinyset.clear(); |
| } |
| <span class="kw">for </span>score_combiner <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self</span>.scores[<span class="self">self</span>.cursor * <span class="number">64</span>..new_cursor * <span class="number">64</span>] { |
| score_combiner.clear(); |
| } |
| <span class="self">self</span>.cursor = new_cursor; |
| |
| <span class="comment">// Advancing until we reach the end of the bucket |
| // or we reach a doc greater or equal to the target. |
| </span><span class="kw">let </span><span class="kw-2">mut </span>doc = <span class="self">self</span>.doc(); |
| <span class="kw">while </span>doc < target { |
| doc = <span class="self">self</span>.advance(); |
| } |
| doc |
| } <span class="kw">else </span>{ |
| <span class="comment">// clear the buffered info. |
| </span><span class="kw">for </span>obsolete_tinyset <span class="kw">in </span><span class="self">self</span>.bitsets.iter_mut() { |
| <span class="kw-2">*</span>obsolete_tinyset = TinySet::empty(); |
| } |
| <span class="kw">for </span>score_combiner <span class="kw">in </span><span class="self">self</span>.scores.iter_mut() { |
| score_combiner.clear(); |
| } |
| |
| <span class="comment">// The target is outside of the buffered horizon. |
| // advance all docsets to a doc >= to the target. |
| </span>unordered_drain_filter(<span class="kw-2">&mut </span><span class="self">self</span>.docsets, |docset| { |
| <span class="kw">if </span>docset.doc() < target { |
| docset.seek(target); |
| } |
| docset.doc() == TERMINATED |
| }); |
| |
| <span class="comment">// at this point all of the docsets |
| // are positioned on a doc >= to the target. |
| </span><span class="kw">if </span>!<span class="self">self</span>.refill() { |
| <span class="self">self</span>.doc = TERMINATED; |
| <span class="kw">return </span>TERMINATED; |
| } |
| <span class="self">self</span>.advance() |
| } |
| } |
| |
| <span class="comment">// TODO Also implement `count` with deletes efficiently. |
| |
| </span><span class="kw">fn </span>doc(<span class="kw-2">&</span><span class="self">self</span>) -> DocId { |
| <span class="self">self</span>.doc |
| } |
| |
| <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> u32 { |
| <span class="self">self</span>.docsets |
| .iter() |
| .map(|docset| docset.size_hint()) |
| .max() |
| .unwrap_or(<span class="number">0u32</span>) |
| } |
| |
| <span class="kw">fn </span>count_including_deleted(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { |
| <span class="kw">if </span><span class="self">self</span>.doc == TERMINATED { |
| <span class="kw">return </span><span class="number">0</span>; |
| } |
| <span class="kw">let </span><span class="kw-2">mut </span>count = <span class="self">self</span>.bitsets[<span class="self">self</span>.cursor..HORIZON_NUM_TINYBITSETS] |
| .iter() |
| .map(|bitset| bitset.len()) |
| .sum::<u32>() |
| + <span class="number">1</span>; |
| <span class="kw">for </span>bitset <span class="kw">in </span><span class="self">self</span>.bitsets.iter_mut() { |
| bitset.clear(); |
| } |
| <span class="kw">while </span><span class="self">self</span>.refill() { |
| count += <span class="self">self</span>.bitsets.iter().map(|bitset| bitset.len()).sum::<u32>(); |
| <span class="kw">for </span>bitset <span class="kw">in </span><span class="self">self</span>.bitsets.iter_mut() { |
| bitset.clear(); |
| } |
| } |
| <span class="self">self</span>.cursor = HORIZON_NUM_TINYBITSETS; |
| count |
| } |
| } |
| |
| <span class="kw">impl</span><TScorer, TScoreCombiner> Scorer <span class="kw">for </span>Union<TScorer, TScoreCombiner> |
| <span class="kw">where |
| </span>TScoreCombiner: ScoreCombiner, |
| TScorer: Scorer, |
| { |
| <span class="kw">fn </span>score(<span class="kw-2">&mut </span><span class="self">self</span>) -> Score { |
| <span class="self">self</span>.score |
| } |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| |
| <span class="kw">use </span>std::collections::BTreeSet; |
| |
| <span class="kw">use super</span>::{Union, HORIZON}; |
| <span class="kw">use </span><span class="kw">crate</span>::docset::{DocSet, TERMINATED}; |
| <span class="kw">use </span><span class="kw">crate</span>::postings::tests::test_skip_against_unoptimized; |
| <span class="kw">use </span><span class="kw">crate</span>::query::score_combiner::DoNothingCombiner; |
| <span class="kw">use </span><span class="kw">crate</span>::query::{ConstScorer, VecDocSet}; |
| <span class="kw">use crate</span>::{tests, DocId}; |
| |
| <span class="kw">fn </span>aux_test_union(vals: Vec<Vec<u32>>) { |
| <span class="kw">let </span><span class="kw-2">mut </span>val_set: BTreeSet<u32> = BTreeSet::new(); |
| <span class="kw">for </span>vs <span class="kw">in </span><span class="kw-2">&</span>vals { |
| <span class="kw">for </span><span class="kw-2">&</span>v <span class="kw">in </span>vs { |
| val_set.insert(v); |
| } |
| } |
| <span class="kw">let </span>union_vals: Vec<u32> = val_set.into_iter().collect(); |
| <span class="kw">let </span><span class="kw-2">mut </span>union_expected = VecDocSet::from(union_vals); |
| <span class="kw">let </span>make_union = || { |
| Union::build( |
| vals.iter() |
| .cloned() |
| .map(VecDocSet::from) |
| .map(|docset| ConstScorer::new(docset, <span class="number">1.0</span>)) |
| .collect::<Vec<ConstScorer<VecDocSet>>>(), |
| DoNothingCombiner::default, |
| ) |
| }; |
| <span class="kw">let </span><span class="kw-2">mut </span><span class="kw">union</span>: Union<<span class="kw">_</span>, DoNothingCombiner> = make_union(); |
| <span class="kw">let </span><span class="kw-2">mut </span>count = <span class="number">0</span>; |
| <span class="kw">while </span>union.doc() != TERMINATED { |
| <span class="macro">assert_eq!</span>(union_expected.doc(), union.doc()); |
| <span class="macro">assert_eq!</span>(union_expected.advance(), union.advance()); |
| count += <span class="number">1</span>; |
| } |
| <span class="macro">assert_eq!</span>(union_expected.advance(), TERMINATED); |
| <span class="macro">assert_eq!</span>(count, make_union().count_including_deleted()); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_union() { |
| aux_test_union(<span class="macro">vec!</span>[ |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">3333</span>, <span class="number">100000000u32</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">100000000u32</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">100000000u32</span>], |
| <span class="macro">vec!</span>[], |
| ]); |
| aux_test_union(<span class="macro">vec!</span>[ |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">3333</span>, <span class="number">100000000u32</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">100000000u32</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">100000000u32</span>], |
| <span class="macro">vec!</span>[], |
| ]); |
| aux_test_union(<span class="macro">vec!</span>[ |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.01</span>, <span class="number">1</span>), |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.05</span>, <span class="number">2</span>), |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.001</span>, <span class="number">3</span>), |
| ]); |
| } |
| |
| <span class="kw">fn </span>test_aux_union_skip(docs_list: <span class="kw-2">&</span>[Vec<DocId>], skip_targets: Vec<DocId>) { |
| <span class="kw">let </span><span class="kw-2">mut </span>btree_set = BTreeSet::new(); |
| <span class="kw">for </span>docs <span class="kw">in </span>docs_list { |
| btree_set.extend(docs.iter().cloned()); |
| } |
| <span class="kw">let </span>docset_factory = || { |
| <span class="kw">let </span>res: Box<<span class="kw">dyn </span>DocSet> = Box::new(Union::build( |
| docs_list |
| .iter() |
| .cloned() |
| .map(VecDocSet::from) |
| .map(|docset| ConstScorer::new(docset, <span class="number">1.0</span>)) |
| .collect::<Vec<<span class="kw">_</span>>>(), |
| DoNothingCombiner::default, |
| )); |
| res |
| }; |
| <span class="kw">let </span><span class="kw-2">mut </span>docset = docset_factory(); |
| <span class="kw">for </span>el <span class="kw">in </span>btree_set { |
| <span class="macro">assert_eq!</span>(el, docset.doc()); |
| docset.advance(); |
| } |
| <span class="macro">assert_eq!</span>(docset.doc(), TERMINATED); |
| test_skip_against_unoptimized(docset_factory, skip_targets); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_union_skip_corner_case() { |
| test_aux_union_skip(<span class="kw-2">&</span>[<span class="macro">vec!</span>[<span class="number">165132</span>, <span class="number">167382</span>], <span class="macro">vec!</span>[<span class="number">25029</span>, <span class="number">25091</span>]], <span class="macro">vec!</span>[<span class="number">25029</span>]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_union_skip_corner_case2() { |
| test_aux_union_skip( |
| <span class="kw-2">&</span>[<span class="macro">vec!</span>[<span class="number">1u32</span>, <span class="number">1u32 </span>+ HORIZON], <span class="macro">vec!</span>[<span class="number">2u32</span>, <span class="number">1000u32</span>, <span class="number">10_000u32</span>]], |
| <span class="macro">vec!</span>[<span class="number">0u32</span>, <span class="number">1u32</span>, <span class="number">2u32</span>, <span class="number">3u32</span>, <span class="number">1u32 </span>+ HORIZON, <span class="number">2u32 </span>+ HORIZON], |
| ); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_union_skip_corner_case3() { |
| <span class="kw">let </span><span class="kw-2">mut </span>docset = Union::build( |
| <span class="macro">vec!</span>[ |
| ConstScorer::from(VecDocSet::from(<span class="macro">vec!</span>[<span class="number">0u32</span>, <span class="number">5u32</span>])), |
| ConstScorer::from(VecDocSet::from(<span class="macro">vec!</span>[<span class="number">1u32</span>, <span class="number">4u32</span>])), |
| ], |
| DoNothingCombiner::default, |
| ); |
| <span class="macro">assert_eq!</span>(docset.doc(), <span class="number">0u32</span>); |
| <span class="macro">assert_eq!</span>(docset.seek(<span class="number">0u32</span>), <span class="number">0u32</span>); |
| <span class="macro">assert_eq!</span>(docset.seek(<span class="number">0u32</span>), <span class="number">0u32</span>); |
| <span class="macro">assert_eq!</span>(docset.doc(), <span class="number">0u32</span>) |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_union_skip_random() { |
| test_aux_union_skip( |
| <span class="kw-2">&</span>[ |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">7</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">3</span>, <span class="number">9</span>, <span class="number">10000</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">3</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">100</span>], |
| ], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">100</span>], |
| ); |
| test_aux_union_skip( |
| <span class="kw-2">&</span>[ |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.001</span>, <span class="number">1</span>), |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.002</span>, <span class="number">2</span>), |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.005</span>, <span class="number">3</span>), |
| ], |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.01</span>, <span class="number">4</span>), |
| ); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_union_skip_specific() { |
| test_aux_union_skip( |
| <span class="kw-2">&</span>[ |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">7</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">3</span>, <span class="number">9</span>, <span class="number">10000</span>], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">3</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">100</span>], |
| ], |
| <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">99</span>, <span class="number">100</span>, <span class="number">101</span>, <span class="number">500</span>, <span class="number">20000</span>], |
| ); |
| } |
| } |
| |
| <span class="attribute">#[cfg(all(test, feature = <span class="string">"unstable"</span>))] |
| </span><span class="kw">mod </span>bench { |
| |
| <span class="kw">use </span>test::Bencher; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::query::score_combiner::DoNothingCombiner; |
| <span class="kw">use </span><span class="kw">crate</span>::query::{ConstScorer, Union, VecDocSet}; |
| <span class="kw">use crate</span>::{tests, DocId, DocSet, TERMINATED}; |
| |
| <span class="attribute">#[bench] |
| </span><span class="kw">fn </span>bench_union_3_high(bench: <span class="kw-2">&mut </span>Bencher) { |
| <span class="kw">let </span>union_docset: Vec<Vec<DocId>> = <span class="macro">vec!</span>[ |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.1</span>, <span class="number">0</span>), |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.2</span>, <span class="number">1</span>), |
| ]; |
| bench.iter(|| { |
| <span class="kw">let </span><span class="kw-2">mut </span>v = Union::build( |
| union_docset |
| .iter() |
| .map(|doc_ids| VecDocSet::from(doc_ids.clone())) |
| .map(|docset| ConstScorer::new(docset, <span class="number">1.0</span>)) |
| .collect::<Vec<<span class="kw">_</span>>>(), |
| DoNothingCombiner::default, |
| ); |
| <span class="kw">while </span>v.doc() != TERMINATED { |
| v.advance(); |
| } |
| }); |
| } |
| <span class="attribute">#[bench] |
| </span><span class="kw">fn </span>bench_union_3_low(bench: <span class="kw-2">&mut </span>Bencher) { |
| <span class="kw">let </span>union_docset: Vec<Vec<DocId>> = <span class="macro">vec!</span>[ |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.01</span>, <span class="number">0</span>), |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.05</span>, <span class="number">1</span>), |
| tests::sample_with_seed(<span class="number">100_000</span>, <span class="number">0.001</span>, <span class="number">2</span>), |
| ]; |
| bench.iter(|| { |
| <span class="kw">let </span><span class="kw-2">mut </span>v = Union::build( |
| union_docset |
| .iter() |
| .map(|doc_ids| VecDocSet::from(doc_ids.clone())) |
| .map(|docset| ConstScorer::new(docset, <span class="number">1.0</span>)) |
| .collect::<Vec<<span class="kw">_</span>>>(), |
| DoNothingCombiner::default, |
| ); |
| <span class="kw">while </span>v.doc() != TERMINATED { |
| v.advance(); |
| } |
| }); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="tantivy" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
