fix(node): support pre-Haswell x86_64 CPUs

nodejs/__test__/cpu_compatibility.test.ts

@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright The LanceDB Authors
+
+import * as tmp from "tmp";
+
+import { connect } from "../lancedb";
+import {
+  Field,
+  FixedSizeList,
+  Float32,
+  Int32,
+  Schema,
+  makeArrowTable,
+} from "../lancedb/arrow";
+
+test("cosine vector search runs on the pre-Haswell build baseline", async () => {
+  const tmpDir = tmp.dirSync({ unsafeCleanup: true });
+
+  try {
+    const db = await connect(tmpDir.name);
+    const schema = new Schema([
+      new Field("id", new Int32(), false),
+      new Field(
+        "vector",
+        new FixedSizeList(3, new Field("item", new Float32(), false)),
+        false,
+      ),
+    ]);
+    const data = makeArrowTable(
+      [
+        { id: 1, vector: [1, 0, 0] },
+        { id: 2, vector: [0, 1, 0] },
+      ],
+      { schema },
+    );
+    const table = await db.createTable("vectors", data);
+
+    const results = await table
+      .vectorSearch([1, 0, 0])
+      .distanceType("cosine")
+      .limit(1)
+      .toArray();
+
+    expect(results).toHaveLength(1);
+    expect(results[0].id).toBe(1);
+    expect(results[0]._distance).toBeCloseTo(0);
+  } finally {
+    tmpDir.removeCallback();
+  }
+}, 60_000);