Properly name and separate each steps at publication. (#199)
[poolifier.git] / benchmarks / choose-worker.js
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1const Benchmark = require('benchmark')
2
3const suite = new Benchmark.Suite()
4
5const LIST_FORMATTER = new Intl.ListFormat('en-US', {
6 style: 'long',
7 type: 'conjunction'
8})
9
10const workers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
11
12let nextWorkerIndex = 0
13
14function chooseWorkerTernary () {
15 nextWorkerIndex =
16 workers.length - 1 === nextWorkerIndex ? 0 : nextWorkerIndex + 1
17 return workers[nextWorkerIndex]
18}
19
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20function chooseWorkerTernaryWithNegation () {
21 nextWorkerIndex =
22 !nextWorkerIndex || workers.length - 1 === nextWorkerIndex
23 ? 0
24 : nextWorkerIndex + 1
25 return workers[nextWorkerIndex]
26}
27
28function chooseWorkerTernaryWithPreChoosing () {
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29 const chosenWorker = workers[nextWorkerIndex]
30 nextWorkerIndex =
31 workers.length - 1 === nextWorkerIndex ? 0 : nextWorkerIndex + 1
32 return chosenWorker
33}
34
35function chooseWorkerIncrementModulo () {
36 const chosenWorker = workers[nextWorkerIndex]
37 nextWorkerIndex++
38 nextWorkerIndex %= workers.length
39 return chosenWorker
40}
41
42suite
43 .add('Ternary', function () {
44 nextWorkerIndex = 0
45 chooseWorkerTernary()
46 })
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47 .add('Ternary with negation', function () {
48 nextWorkerIndex = 0
49 chooseWorkerTernaryWithNegation()
50 })
51 .add('Ternary with PreChoosing', function () {
aacd8188 52 nextWorkerIndex = 0
472bf1f5 53 chooseWorkerTernaryWithPreChoosing()
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54 })
55 .add('Increment+Modulo', function () {
56 nextWorkerIndex = 0
57 chooseWorkerIncrementModulo()
58 })
59 .on('cycle', function (event) {
60 console.log(event.target.toString())
61 })
62 .on('complete', function () {
63 console.log(
64 'Fastest is ' + LIST_FORMATTER.format(this.filter('fastest').map('name'))
65 )
66 // eslint-disable-next-line no-process-exit
67 process.exit()
68 })
69 .run()