Merge dependabot/npm_and_yarn/examples/typescript/websocket-server-pool/ws-worker_thr...
[poolifier.git] / src / utils.ts
index 20493767db87d80689a6cb067df3e22f72b759ce..f7aab63746e274b328d606fb3659a5353e796132 100644 (file)
@@ -1,5 +1,5 @@
 import * as os from 'node:os'
-import { getRandomValues } from 'node:crypto'
+import { getRandomValues, randomInt } from 'node:crypto'
 import { Worker as ClusterWorker } from 'node:cluster'
 import { Worker as ThreadWorker } from 'node:worker_threads'
 import { cpus } from 'node:os'
@@ -291,12 +291,12 @@ export const buildInternalWorkerChoiceStrategyOptions = (
   opts?: InternalWorkerChoiceStrategyOptions
 ): InternalWorkerChoiceStrategyOptions => {
   opts = clone(opts ?? {})
-  if (opts.weights == null) {
+  if (opts?.weights == null) {
     opts.weights = getDefaultWeights(poolMaxSize)
   }
   return {
     ...getDefaultInternalWorkerChoiceStrategyOptions(
-      poolMaxSize + Object.keys(opts?.weights ?? {}).length
+      poolMaxSize + Object.keys(opts.weights).length
     ),
     ...opts
   }
@@ -304,8 +304,9 @@ export const buildInternalWorkerChoiceStrategyOptions = (
 
 const getDefaultWeights = (
   poolMaxSize: number,
-  defaultWorkerWeight: number = getDefaultWorkerWeight()
+  defaultWorkerWeight?: number
 ): Record<number, number> => {
+  defaultWorkerWeight = defaultWorkerWeight ?? getDefaultWorkerWeight()
   const weights: Record<number, number> = {}
   for (let workerNodeKey = 0; workerNodeKey < poolMaxSize; workerNodeKey++) {
     weights[workerNodeKey] = defaultWorkerWeight
@@ -314,8 +315,14 @@ const getDefaultWeights = (
 }
 
 const getDefaultWorkerWeight = (): number => {
+  const cpuSpeed = randomInt(500, 2500)
   let cpusCycleTimeWeight = 0
   for (const cpu of cpus()) {
+    if (cpu.speed == null || cpu.speed === 0) {
+      cpu.speed =
+        cpus().find(cpu => cpu.speed != null && cpu.speed !== 0)?.speed ??
+        cpuSpeed
+    }
     // CPU estimated cycle time
     const numberOfDigits = cpu.speed.toString().length - 1
     const cpuCycleTime = 1 / (cpu.speed / Math.pow(10, numberOfDigits))