X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fabstract-worker-choice-strategy.ts;h=285a68c20c856efb15b084f94b593fc7d2a89dc2;hb=4f487526a63c873d168386250b40ad8103c5a4d8;hp=efa9578d8b2f889630aadec6da595ded93cd087f;hpb=802983837716dc38305c13f905a1977688365293;p=poolifier.git

diff --git a/src/pools/selection-strategies/abstract-worker-choice-strategy.ts b/src/pools/selection-strategies/abstract-worker-choice-strategy.ts
index efa9578d..285a68c2 100644
--- a/src/pools/selection-strategies/abstract-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/abstract-worker-choice-strategy.ts
@@ -1,9 +1,10 @@
+import { cpus } from 'node:os'
 import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
 import type { IPool } from '../pool'
 import type { IWorker } from '../worker'
 import type {
   IWorkerChoiceStrategy,
-  RequiredStatistics,
+  TaskStatistics,
   WorkerChoiceStrategyOptions
 } from './selection-strategies-types'
 
@@ -24,13 +25,14 @@ export abstract class AbstractWorkerChoiceStrategy<
    */
   private toggleFindLastFreeWorkerNodeKey: boolean = false
   /** @inheritDoc */
-  public readonly requiredStatistics: RequiredStatistics = {
+  public readonly taskStatistics: TaskStatistics = {
     runTime: false,
     avgRunTime: false,
     medRunTime: false,
     waitTime: false,
     avgWaitTime: false,
-    medWaitTime: false
+    medWaitTime: false,
+    elu: false
   }
 
   /**
@@ -46,22 +48,22 @@ export abstract class AbstractWorkerChoiceStrategy<
     this.choose = this.choose.bind(this)
   }
 
-  protected setRequiredStatistics (opts: WorkerChoiceStrategyOptions): void {
-    if (this.requiredStatistics.avgRunTime && opts.medRunTime === true) {
-      this.requiredStatistics.avgRunTime = false
-      this.requiredStatistics.medRunTime = opts.medRunTime as boolean
+  protected setTaskStatistics (opts: WorkerChoiceStrategyOptions): void {
+    if (this.taskStatistics.avgRunTime && opts.medRunTime === true) {
+      this.taskStatistics.avgRunTime = false
+      this.taskStatistics.medRunTime = opts.medRunTime as boolean
     }
-    if (this.requiredStatistics.medRunTime && opts.medRunTime === false) {
-      this.requiredStatistics.avgRunTime = true
-      this.requiredStatistics.medRunTime = opts.medRunTime as boolean
+    if (this.taskStatistics.medRunTime && opts.medRunTime === false) {
+      this.taskStatistics.avgRunTime = true
+      this.taskStatistics.medRunTime = opts.medRunTime as boolean
     }
-    if (this.requiredStatistics.avgWaitTime && opts.medWaitTime === true) {
-      this.requiredStatistics.avgWaitTime = false
-      this.requiredStatistics.medWaitTime = opts.medWaitTime as boolean
+    if (this.taskStatistics.avgWaitTime && opts.medWaitTime === true) {
+      this.taskStatistics.avgWaitTime = false
+      this.taskStatistics.medWaitTime = opts.medWaitTime as boolean
     }
-    if (this.requiredStatistics.medWaitTime && opts.medWaitTime === false) {
-      this.requiredStatistics.avgWaitTime = true
-      this.requiredStatistics.medWaitTime = opts.medWaitTime as boolean
+    if (this.taskStatistics.medWaitTime && opts.medWaitTime === false) {
+      this.taskStatistics.avgWaitTime = true
+      this.taskStatistics.medWaitTime = opts.medWaitTime as boolean
     }
   }
 
@@ -80,7 +82,7 @@ export abstract class AbstractWorkerChoiceStrategy<
   /** @inheritDoc */
   public setOptions (opts: WorkerChoiceStrategyOptions): void {
     opts = opts ?? DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
-    this.setRequiredStatistics(opts)
+    this.setTaskStatistics(opts)
     this.opts = opts
   }
 
@@ -107,11 +109,36 @@ export abstract class AbstractWorkerChoiceStrategy<
    * @returns The worker task runtime.
    */
   protected getWorkerTaskRunTime (workerNodeKey: number): number {
-    return this.requiredStatistics.medRunTime
+    return this.taskStatistics.medRunTime
       ? this.pool.workerNodes[workerNodeKey].tasksUsage.medRunTime
       : this.pool.workerNodes[workerNodeKey].tasksUsage.avgRunTime
   }
 
+  /**
+   * Gets the worker task wait time.
+   * If the required statistics are `avgWaitTime`, the average wait time is returned.
+   * If the required statistics are `medWaitTime`, the median wait time is returned.
+   *
+   * @param workerNodeKey - The worker node key.
+   * @returns The worker task wait time.
+   */
+  protected getWorkerWaitTime (workerNodeKey: number): number {
+    return this.taskStatistics.medWaitTime
+      ? this.pool.workerNodes[workerNodeKey].tasksUsage.medWaitTime
+      : this.pool.workerNodes[workerNodeKey].tasksUsage.avgWaitTime
+  }
+
+  protected 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)
+  }
+
   /**
    * Finds the first free worker node key based on the number of tasks the worker has applied.
    *