fix: fix dynamic import syntax
[poolifier.git] / benchmarks / worker-selection / round-robin.mjs
CommitLineData
8f810074 1import Benchmark from 'benny'
aacd8188 2
292ad316
JB
3function generateWorkersArray (numberOfWorkers) {
4 return [...Array(numberOfWorkers).keys()]
5}
aacd8188 6
292ad316 7const workers = generateWorkersArray(60)
aacd8188 8
e843b904 9let nextWorkerIndex
aacd8188 10
0d6f0c13 11function roundRobinTernaryOffByOne () {
aacd8188
S
12 nextWorkerIndex =
13 workers.length - 1 === nextWorkerIndex ? 0 : nextWorkerIndex + 1
14 return workers[nextWorkerIndex]
15}
16
0d6f0c13 17function roundRobinTernaryWithNegation () {
472bf1f5
JB
18 nextWorkerIndex =
19 !nextWorkerIndex || workers.length - 1 === nextWorkerIndex
20 ? 0
21 : nextWorkerIndex + 1
22 return workers[nextWorkerIndex]
23}
24
0d6f0c13 25function roundRobinTernaryWithPreChoosing () {
aacd8188
S
26 const chosenWorker = workers[nextWorkerIndex]
27 nextWorkerIndex =
28 workers.length - 1 === nextWorkerIndex ? 0 : nextWorkerIndex + 1
29 return chosenWorker
30}
31
0d6f0c13 32function roundRobinIncrementModulo () {
aacd8188
S
33 const chosenWorker = workers[nextWorkerIndex]
34 nextWorkerIndex++
35 nextWorkerIndex %= workers.length
36 return chosenWorker
37}
38
ca6c7d70 39Benchmark.suite(
b15ff04e 40 'Round robin tasks distribution',
ca6c7d70 41 Benchmark.add('Ternary off by one', () => {
aacd8188 42 nextWorkerIndex = 0
0d6f0c13 43 roundRobinTernaryOffByOne()
ca6c7d70
JB
44 }),
45 Benchmark.add('Ternary with negation', () => {
472bf1f5 46 nextWorkerIndex = 0
0d6f0c13 47 roundRobinTernaryWithNegation()
ca6c7d70
JB
48 }),
49 Benchmark.add('Ternary with pre-choosing', () => {
aacd8188 50 nextWorkerIndex = 0
0d6f0c13 51 roundRobinTernaryWithPreChoosing()
ca6c7d70
JB
52 }),
53 Benchmark.add('Increment+Modulo', () => {
aacd8188 54 nextWorkerIndex = 0
0d6f0c13 55 roundRobinIncrementModulo()
ca6c7d70
JB
56 }),
57 Benchmark.cycle(),
58 Benchmark.complete()
59)