[Autoloop: perf-comparison] Iteration 411: add readTable benchmark

Run: https://github.com/githubnext/tsb/actions/runs/29710840981

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: github-actions[bot]

benchmarks/pandas/bench_read_table.py

@@ -0,0 +1,29 @@
+"""Benchmark: read_table — parse a 100k-row tab-separated file"""
+import json, time
+import pandas as pd
+
+ROWS = 100_000
+WARMUP = 2
+ITERATIONS = 5
+
+# Build TSV file
+tmp_path = "/tmp/gh-aw/agent/bench_read_table.tsv"
+with open(tmp_path, "w") as f:
+    f.write("id\tvalue\tlabel\n")
+    for i in range(ROWS):
+        f.write(f"{i}\t{i * 1.1:.4f}\tcat_{i % 50}\n")
+
+for _ in range(WARMUP):
+    pd.read_table(tmp_path)
+
+start = time.perf_counter()
+for _ in range(ITERATIONS):
+    pd.read_table(tmp_path)
+total = (time.perf_counter() - start) * 1000
+
+print(json.dumps({
+    "function": "read_table",
+    "mean_ms": total / ITERATIONS,
+    "iterations": ITERATIONS,
+    "total_ms": total,
+}))

benchmarks/tsb/bench_read_table.ts

@@ -0,0 +1,34 @@
+/**
+ * Benchmark: readTable — parse a 100k-row tab-separated string
+ */
+import { readTable } from "../../src/index.js";
+
+const ROWS = 100_000;
+const WARMUP = 2;
+const ITERATIONS = 5;
+
+// Build TSV string (tab-separated)
+const lines = ["id\tvalue\tlabel"];
+for (let i = 0; i < ROWS; i++) {
+  lines.push(`${i}\t${(i * 1.1).toFixed(4)}\tcat_${i % 50}`);
+}
+const tsvContent = lines.join("\n");
+
+for (let i = 0; i < WARMUP; i++) {
+  readTable(tsvContent);
+}
+
+const start = performance.now();
+for (let i = 0; i < ITERATIONS; i++) {
+  readTable(tsvContent);
+}
+const total = performance.now() - start;
+
+console.log(
+  JSON.stringify({
+    function: "read_table",
+    mean_ms: total / ITERATIONS,
+    iterations: ITERATIONS,
+    total_ms: total,
+  }),
+);