chore: own sample function in sample benchmark

Author: gruhn

benchmark/filter-vs-intersection.ts

@@ -3,33 +3,43 @@ import { RB } from '../dist/index.js'
 
 const emailRegex = /^[\w\-\.]+@([\w-]+\.)+[\w-]{2,}$/
 
-function runIntersection(sampleCount) {
+function runIntersection(sampleCount: number) {
   const startTime = performance.now()
   const intersection = RB(emailRegex).and(/^.{3,10}$/).toRegExp()
   fc.sample(fc.stringMatching(intersection), sampleCount)
   return performance.now() - startTime
 }
 
-function runFilter(count) {
+function runFilter(count: number) {
   const startTime = performance.now()
   fc.sample(fc.stringMatching(emailRegex).filter(
     str => 3 <= str.length && str.length <= 10
   ), count)
   return performance.now() - startTime
 }
 
+function runOwnSample(sampleCount: number) {
+  const startTime = performance.now()
+  RB(emailRegex).and(/^.{3,10}$/).sample().take(sampleCount).toArray()
+  return performance.now() - startTime
+}
+
 for (const sampleCount of [10,50,100,500,1000,2000]) {
   const filterTime = runFilter(sampleCount)
   const interTime = runIntersection(sampleCount)
+  const ownSampleTime = runOwnSample(sampleCount)
 
   console.debug('\nsample count:', sampleCount)
   console.debug('time (post-hoc filter)    : ', filterTime)
   console.debug('time (regex intersection) : ', interTime)
+  console.debug('time (own sample)         : ', ownSampleTime)
 }
 
-for (const sampleCount of [10_000,20_000,50_000,100_000,1_000_000]) {
+for (const sampleCount of [10_000,20_000,50_000,100_000,1_000_000, 2_000_000, 5_000_000]) {
   const interTime = runIntersection(sampleCount)
+  const ownSampleTime = runOwnSample(sampleCount)
 
   console.debug('\nsample count:', sampleCount)
   console.debug('time (regex intersection) : ', interTime)
+  console.debug('time (own sample)         : ', ownSampleTime)
 }