initial commit

benchmarks/helpers/data-generators.ts

@@ -0,0 +1,22 @@
+export const SIZES = [100, 10_000] as const;
+
+export function generateNumbers(size: number): number[] {
+  return Array.from({ length: size }, (_, i) => i);
+}
+
+export function generateStrings(size: number): string[] {
+  return Array.from({ length: size }, (_, i) => `item-${i}`);
+}
+
+/**
+ * Generates indices that should be "error" slots, deterministically distributed.
+ * With errRatio=0.2 and size=10, returns indices [4, 9] (every 5th element).
+ */
+export function errorIndices(size: number, errRatio = 0.2): Set<number> {
+  const step = Math.max(1, Math.floor(1 / errRatio));
+  const indices = new Set<number>();
+  for (let i = step - 1; i < size; i += step) {
+    indices.add(i);
+  }
+  return indices;
+}