import cluster, { Worker as ClusterWorker } from 'node:cluster'
-import { randomInt } from 'node:crypto'
import { existsSync } from 'node:fs'
import { cpus } from 'node:os'
import { env } from 'node:process'
return weights
}
+const estimatedCpuSpeed = (): number => {
+ const runs = 150000000
+ const begin = performance.now()
+ // eslint-disable-next-line no-empty
+ for (let i = runs; i > 0; i--) {}
+ const end = performance.now()
+ const duration = end - begin
+ return Math.trunc(runs / duration / 1000) // in MHz
+}
+
const getDefaultWorkerWeight = (): number => {
- const cpuSpeed = randomInt(500, 2500)
+ const currentCpus = cpus()
+ let estCpuSpeed: number | undefined
+ // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+ if (currentCpus.every(cpu => cpu.speed == null || cpu.speed === 0)) {
+ estCpuSpeed = estimatedCpuSpeed()
+ }
let cpusCycleTimeWeight = 0
- for (const cpu of cpus()) {
+ for (const cpu of currentCpus) {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (cpu.speed == null || cpu.speed === 0) {
cpu.speed =
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
- cpus().find(cpu => cpu.speed != null && cpu.speed !== 0)?.speed ??
- cpuSpeed
+ currentCpus.find(cpu => cpu.speed != null && cpu.speed !== 0)?.speed ??
+ estCpuSpeed ??
+ 2000
}
// CPU estimated cycle time
const numberOfDigits = cpu.speed.toString().length - 1
const cpuCycleTime = 1 / (cpu.speed / Math.pow(10, numberOfDigits))
cpusCycleTimeWeight += cpuCycleTime * Math.pow(10, numberOfDigits)
}
- return Math.round(cpusCycleTimeWeight / cpus().length)
+ return Math.round(cpusCycleTimeWeight / currentCpus.length)
}
export const checkFilePath = (filePath: string | undefined): void => {