Squashed 'vendor/ruvector/' content from commit b64c2172

git-subtree-dir: vendor/ruvector
git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900

scripts/patches/hnsw_rs/tests/deallocation_test.rs

@@ -0,0 +1,34 @@
+use env_logger::Builder;
+
+use anndists::dist::DistL1;
+use hnsw_rs::hnsw::Hnsw;
+
+// A test program to see if memory from insertions gets deallocated.
+// This program sets up a process that iteratively builds a new model and lets it go out of scope.
+// Since the models go out of scope, the desired behavior is that memory consumption is constant while this program is running.
+fn main() {
+    //
+    Builder::from_default_env().init();
+    //
+    let mut counter: usize = 0;
+    loop {
+        let hnsw: Hnsw<f32, DistL1> = Hnsw::new(15, 100_000, 20, 500_000, DistL1 {});
+        let s1 = [1.0, 0.0, 0.0, 0.0];
+        hnsw.insert_slice((&s1, 0));
+        let s2 = [0.0, 1.0, 1.0];
+        hnsw.insert_slice((&s2, 1));
+        let s3 = [0.0, 0.0, 1.0];
+        hnsw.insert_slice((&s3, 2));
+        let s4 = [1.0, 0.0, 0.0, 1.0];
+        hnsw.insert_slice((&s4, 3));
+        let s5 = [1.0, 1.0, 1.0];
+        hnsw.insert_slice((&s5, 4));
+        let s6 = [1.0, -1.0, 1.0];
+        hnsw.insert_slice((&s6, 5));
+
+        if counter % 1_000_000 == 0 {
+            println!("counter : {}", counter)
+        }
+        counter += 1;
+    }
+}