chore: crush git history - reborn from consolidation on 2026-03-10

2026-03-10 00:00:00 -07:00
commit d278c4b105
313 changed files with 87549 additions and 0 deletions
@@ -0,0 +1,53 @@
+import { performance } from 'node:perf_hooks'
+
+function percentile(sorted, p) {
+  if (sorted.length === 0) return 0
+  const idx = Math.min(sorted.length - 1, Math.floor(sorted.length * p))
+  return sorted[idx]
+}
+
+export function getBenchOptions() {
+  const runs = Number.parseInt(process.env.BENCH_RUNS ?? '8', 10)
+  const warmup = Number.parseInt(process.env.BENCH_WARMUP ?? '2', 10)
+  return {
+    runs: Number.isFinite(runs) && runs > 1 ? runs : 8,
+    warmup: Number.isFinite(warmup) && warmup >= 0 ? warmup : 2,
+  }
+}
+
+export async function measure(name, fn, options) {
+  const times = []
+
+  for (let i = 0; i < options.runs; i++) {
+    const t0 = performance.now()
+    await fn()
+    const dt = performance.now() - t0
+    if (i >= options.warmup) {
+      times.push(dt)
+    }
+  }
+
+  times.sort((a, b) => a - b)
+  const mean = times.reduce((sum, value) => sum + value, 0) / Math.max(1, times.length)
+
+  return {
+    name,
+    samples: times.length,
+    mean,
+    min: times[0] ?? 0,
+    p50: percentile(times, 0.5),
+    p95: percentile(times, 0.95),
+    max: times[times.length - 1] ?? 0,
+  }
+}
+
+export function printResults(title, results, options) {
+  console.log(`\n${title}`)
+  console.log(`runs=${options.runs} warmup=${options.warmup} measured=${Math.max(0, options.runs - options.warmup)}`)
+  for (const row of results) {
+    console.log(
+      `${row.name.padEnd(32)} n=${String(row.samples).padStart(2)} mean=${row.mean.toFixed(1)}ms ` +
+      `p50=${row.p50.toFixed(1)}ms p95=${row.p95.toFixed(1)}ms min=${row.min.toFixed(1)}ms max=${row.max.toFixed(1)}ms`
+    )
+  }
+}