[Autoloop: perf-comparison]

benchmarks/pandas/bench_read_html.py

@@ -0,0 +1,52 @@
+"""
+Benchmark: pd.read_html — parse HTML tables into DataFrames.
+Outputs JSON: {"function": "read_html", "mean_ms": ..., "iterations": ..., "total_ms": ...}
+"""
+import json
+import time
+import math
+
+try:
+    import pandas as pd
+except ImportError:
+    import subprocess, sys
+    subprocess.check_call([sys.executable, "-m", "pip", "install", "pandas", "--quiet"])
+    import pandas as pd
+
+try:
+    import lxml  # noqa: F401
+except ImportError:
+    import subprocess, sys
+    subprocess.check_call([sys.executable, "-m", "pip", "install", "lxml", "--quiet"])
+
+ROWS = 1_000
+WARMUP = 3
+ITERATIONS = 20
+
+
+def build_html(rows: int) -> str:
+    header = "<tr><th>id</th><th>name</th><th>value</th><th>score</th></tr>"
+    body_rows = [
+        f"<tr><td>{i}</td><td>item_{i % 100}</td><td>{i * 1.5:.2f}</td><td>{math.sin(i * 0.01):.6f}</td></tr>"
+        for i in range(rows)
+    ]
+    return f"<table><thead>{header}</thead><tbody>{''.join(body_rows)}</tbody></table>"
+
+
+html = build_html(ROWS)
+
+# Warm-up
+for _ in range(WARMUP):
+    pd.read_html(html)
+
+start = time.perf_counter()
+for _ in range(ITERATIONS):
+    pd.read_html(html)
+total_ms = (time.perf_counter() - start) * 1000
+
+print(json.dumps({
+    "function": "read_html",
+    "mean_ms": total_ms / ITERATIONS,
+    "iterations": ITERATIONS,
+    "total_ms": total_ms,
+}))

benchmarks/tsb/bench_read_html.ts

@@ -0,0 +1,43 @@
+/**
+ * Benchmark: readHtml — parse HTML tables into DataFrames.
+ * Outputs JSON: {"function": "read_html", "mean_ms": ..., "iterations": ..., "total_ms": ...}
+ */
+import { readHtml } from "../../src/index.js";
+
+const ROWS = 1_000;
+const WARMUP = 3;
+const ITERATIONS = 20;
+
+// Build a realistic HTML string with a 1000-row table.
+function buildHtml(rows: number): string {
+  const header = "<tr><th>id</th><th>name</th><th>value</th><th>score</th></tr>";
+  const bodyRows: string[] = [];
+  for (let i = 0; i < rows; i++) {
+    bodyRows.push(
+      `<tr><td>${i}</td><td>item_${i % 100}</td><td>${(i * 1.5).toFixed(2)}</td><td>${Math.sin(i * 0.01).toFixed(6)}</td></tr>`,
+    );
+  }
+  return `<table><thead>${header}</thead><tbody>${bodyRows.join("")}</tbody></table>`;
+}
+
+const html = buildHtml(ROWS);
+
+// Warm-up
+for (let i = 0; i < WARMUP; i++) {
+  readHtml(html);
+}
+
+const start = performance.now();
+for (let i = 0; i < ITERATIONS; i++) {
+  readHtml(html);
+}
+const total = performance.now() - start;
+
+console.log(
+  JSON.stringify({
+    function: "read_html",
+    mean_ms: total / ITERATIONS,
+    iterations: ITERATIONS,
+    total_ms: total,
+  }),
+);