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#[cfg(not(target_os = "windows"))]
mod prof;
use common::types::PointOffsetType;
use criterion::{criterion_group, criterion_main, Criterion};
use rand::rngs::StdRng;
use rand::{thread_rng, SeedableRng};
use segment::fixtures::index_fixtures::{FakeFilterContext, TestRawScorerProducer};
use segment::index::hnsw_index::graph_layers_builder::GraphLayersBuilder;
use segment::index::hnsw_index::point_scorer::FilteredScorer;
use segment::spaces::simple::CosineMetric;
use segment::vector_storage::chunked_vector_storage::VectorOffsetType;
const NUM_VECTORS: usize = 10000;
const DIM: usize = 32;
const M: usize = 16;
const EF_CONSTRUCT: usize = 64;
const USE_HEURISTIC: bool = true;
fn hnsw_benchmark(c: &mut Criterion) {
let mut rng = StdRng::seed_from_u64(42);
let vector_holder = TestRawScorerProducer::<CosineMetric>::new(DIM, NUM_VECTORS, &mut rng);
let mut group = c.benchmark_group("hnsw-index-build-group");
group.sample_size(10);
group.bench_function("hnsw_index", |b| {
b.iter(|| {
let mut rng = thread_rng();
let mut graph_layers_builder =
GraphLayersBuilder::new(NUM_VECTORS, M, M * 2, EF_CONSTRUCT, 10, USE_HEURISTIC);
let fake_filter_context = FakeFilterContext {};
for idx in 0..(NUM_VECTORS as PointOffsetType) {
let added_vector = vector_holder.vectors.get(idx as VectorOffsetType).to_vec();
let raw_scorer = vector_holder.get_raw_scorer(added_vector).unwrap();
let scorer = FilteredScorer::new(raw_scorer.as_ref(), Some(&fake_filter_context));
let level = graph_layers_builder.get_random_layer(&mut rng);
graph_layers_builder.set_levels(idx, level);
graph_layers_builder.link_new_point(idx, scorer);
}
})
});
group.finish();
}
#[cfg(not(target_os = "windows"))]
criterion_group! {
name = benches;
config = Criterion::default().with_profiler(prof::FlamegraphProfiler::new(100));
targets = hnsw_benchmark
}
#[cfg(target_os = "windows")]
criterion_group! {
name = benches;
config = Criterion::default();
targets = hnsw_benchmark
}
criterion_main!(benches);
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