refactor: factor out common code in worker choice strategies

[poolifier.git] / src / pools / selection-strategies / interleaved-weighted-round-robin-worker-choice-strategy.ts

diff --git a/src/pools/selection-strategies/interleaved-weighted-round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/interleaved-weighted-round-robin-worker-choice-strategy.ts
index b14bb8bc354311b3f6539b1926763cc06705356b..7248f03a90ae8f9ec599eb3c062eb6349337c95c 100644 (file)
--- a/src/pools/selection-strategies/interleaved-weighted-round-robin-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/interleaved-weighted-round-robin-worker-choice-strategy.ts
@@ -1,11 +1,9 @@
-import { cpus } from 'node:os'
 import type { IWorker } from '../worker'
 import type { IPool } from '../pool'
 import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
 import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
 import type {
   IWorkerChoiceStrategy,
-  RequiredStatistics,
   WorkerChoiceStrategyOptions
 } from './selection-strategies-types'
 
@@ -23,13 +21,6 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   >
   extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
   implements IWorkerChoiceStrategy {
-  /** @inheritDoc */
-  public readonly requiredStatistics: RequiredStatistics = {
-    runTime: true,
-    avgRunTime: true,
-    medRunTime: false
-  }
-
   /**
    * Worker node id where the current task will be submitted.
    */
@@ -54,7 +45,7 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
     opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
   ) {
     super(pool, opts)
-    this.checkOptions(this.opts)
+    this.setRequiredStatistics(this.opts)
     this.defaultWorkerWeight = this.computeDefaultWorkerWeight()
     this.roundWeights = this.getRoundWeights()
   }
@@ -131,17 +122,6 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
     this.roundWeights = this.getRoundWeights()
   }
 
-  private computeDefaultWorkerWeight (): number {
-    let cpusCycleTimeWeight = 0
-    for (const cpu of cpus()) {
-      // 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)
-  }
-
   private getRoundWeights (): number[] {
     if (this.opts.weights == null) {
       return [this.defaultWorkerWeight]