107 lines
3 KiB
Rust
107 lines
3 KiB
Rust
use std::time::Instant;
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use rand::{thread_rng, Rng};
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let db = vectordb::VectorDb::open("./vectordb", 2)?;
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let total_chunks = 32;
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let chunk_size = 1024 * 8;
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for _ in 0..total_chunks {
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let vectors = (0..chunk_size)
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.map(|_| thread_rng().gen::<[f32; 7]>().into())
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.collect::<Vec<_>>();
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println!("Inserting vectors");
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let now = Instant::now();
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db.insert_many_vectors(&vectors)?;
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println!("Inserting vectors - Took {:?}", now.elapsed());
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std::thread::sleep(std::time::Duration::from_secs(3));
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}
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println!();
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std::thread::sleep(std::time::Duration::from_secs(10));
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let existing_vector = thread_rng().gen::<[f32; 7]>().into();
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db.insert_vector(&existing_vector)?;
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let test_vecs = [existing_vector]
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.into_iter()
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.chain((0..5).map(|_| thread_rng().gen::<[f32; 7]>().into()))
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.collect::<Vec<_>>();
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for v in &test_vecs {
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println!("Finding similarities");
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let now = Instant::now();
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let similarities = db.find_similarities(&v, 5)?;
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println!("Finding similarities - Took {:?}", now.elapsed());
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for id in similarities {
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let similar = db.get_vector(id)?.expect("Vector exists");
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println!(
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"similar to {}: {}",
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id,
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v.squared_euclidean_distance(&similar)
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);
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}
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}
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println!();
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for v in &test_vecs {
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println!("Finding furthest similarities");
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let now = Instant::now();
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let similarities = db.find_furthest_similarities(&v, 5)?;
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println!("Finding furthest similarities - Took {:?}", now.elapsed());
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for id in similarities {
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let similar = db.get_vector(id)?.expect("Vector exists");
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println!(
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"similar to {}: {}",
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id,
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v.squared_euclidean_distance(&similar)
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);
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}
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}
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println!();
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for v in &test_vecs {
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println!("Finding dissimilarities");
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let now = Instant::now();
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let similarities = db.find_dissimilarities(&v, 5)?;
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println!("Finding dissimilarities - Took {:?}", now.elapsed());
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for id in similarities {
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let similar = db.get_vector(id)?.expect("Vector exists");
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println!(
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"dissimilar to {}: {}",
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id,
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v.squared_euclidean_distance(&similar)
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);
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}
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}
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println!();
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for v in &test_vecs {
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println!("Finding closest dissimilarities");
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let now = Instant::now();
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let similarities = db.find_closest_dissimilarities(&v, 5)?;
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println!("Finding closest dissimilarities - Took {:?}", now.elapsed());
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for id in similarities {
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let similar = db.get_vector(id)?.expect("Vector exists");
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println!(
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"dissimilar to {}: {}",
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id,
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v.squared_euclidean_distance(&similar)
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);
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}
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}
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Ok(())
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}
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