Function printSummary

tooling/scripts/perf-runtime-repeat.mjs:277–310

(targetName, samples)

}

function printSummary(targetName, samples) {
  const names = metricNames[targetName]
  const failures = []
  console.log(`\nZenNotes ${targetName} runtime repeat summary`)
  console.log(`runs                              ${String(samples.length).padStart(8)}`)
  console.log('metric                              p50       p95       max       min')
  for (const name of names) {
    const values = metricValues(samples, name)
    if (values.length === 0) continue
    const p50 = round(percentile(values, 50))
    const p95 = round(percentile(values, 95))
    const max = round(Math.max(...values))
    const min = round(Math.min(...values))
    console.log(
      `${name.padEnd(32)} ${String(p50).padStart(8)} ${String(p95).padStart(9)} ${String(max).padStart(9)} ${String(min).padStart(9)}`
    )
  }
  for (const { label, budget } of repeatBudgets[targetName]) {
    const values = metricValues(samples, label)
    if (values.length === 0) {
      failures.push({ label, actual: 'missing', budget })
      continue
    }
    const p95 = round(percentile(values, 95))
    if (p95 > budget) failures.push({ label, actual: p95, budget })
  }
  if (failures.length > 0) {
    console.log('\nRepeat budget warnings')
    for (const failure of failures) {
      console.log(`- ${failure.label}: p95 ${failure.actual} > ${failure.budget}`)
    }
  }
  return failures
}

const allFailures = []
for (const targetName of targets) {