build(deps-dev): apply updates
[poolifier.git] / src / pools / selection-strategies / fair-share-worker-choice-strategy.ts
index 52b25fb947cd38c08c024ab5c816b90f5adeae0a..9ccec752a3f2c68777f2e6473720b3276185a644 100644 (file)
@@ -2,10 +2,11 @@ import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
 import type { IPool } from '../pool'
 import type { IWorker } from '../worker'
 import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
-import type {
-  IWorkerChoiceStrategy,
-  TaskStatisticsRequirements,
-  WorkerChoiceStrategyOptions
+import {
+  type IWorkerChoiceStrategy,
+  Measurements,
+  type TaskStatisticsRequirements,
+  type WorkerChoiceStrategyOptions
 } from './selection-strategies-types'
 
 /**
@@ -13,8 +14,8 @@ import type {
  * Loosely modeled after the fair queueing algorithm: https://en.wikipedia.org/wiki/Fair_queuing.
  *
  * @typeParam Worker - Type of worker which manages the strategy.
- * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
- * @typeParam Response - Type of execution response. This can only be serializable data.
+ * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
+ * @typeParam Response - Type of execution response. This can only be structured-cloneable data.
  */
 export class FairShareWorkerChoiceStrategy<
     Worker extends IWorker,
@@ -36,8 +37,8 @@ export class FairShareWorkerChoiceStrategy<
       median: false
     },
     elu: {
-      aggregate: false,
-      average: false,
+      aggregate: true,
+      average: true,
       median: false
     }
   }
@@ -71,7 +72,6 @@ export class FairShareWorkerChoiceStrategy<
   /** @inheritDoc */
   public choose (): number {
     let minWorkerVirtualTaskEndTimestamp = Infinity
-    let chosenWorkerNodeKey!: number
     for (const [workerNodeKey] of this.pool.workerNodes.entries()) {
       if (this.workersVirtualTaskEndTimestamp[workerNodeKey] == null) {
         this.computeWorkerVirtualTaskEndTimestamp(workerNodeKey)
@@ -80,10 +80,10 @@ export class FairShareWorkerChoiceStrategy<
         this.workersVirtualTaskEndTimestamp[workerNodeKey]
       if (workerVirtualTaskEndTimestamp < minWorkerVirtualTaskEndTimestamp) {
         minWorkerVirtualTaskEndTimestamp = workerVirtualTaskEndTimestamp
-        chosenWorkerNodeKey = workerNodeKey
+        this.nextWorkerNodeId = workerNodeKey
       }
     }
-    return chosenWorkerNodeKey
+    return this.nextWorkerNodeId
   }
 
   /** @inheritDoc */
@@ -109,9 +109,11 @@ export class FairShareWorkerChoiceStrategy<
     workerNodeKey: number,
     workerVirtualTaskStartTimestamp: number
   ): number {
-    return (
-      workerVirtualTaskStartTimestamp + this.getWorkerTaskRunTime(workerNodeKey)
-    )
+    const workerTaskRunTime =
+      this.opts.measurement === Measurements.elu
+        ? this.getWorkerTaskElu(workerNodeKey)
+        : this.getWorkerTaskRunTime(workerNodeKey)
+    return workerVirtualTaskStartTimestamp + workerTaskRunTime
   }
 
   private getWorkerVirtualTaskStartTimestamp (workerNodeKey: number): number {