X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Finterleaved-weighted-round-robin-worker-choice-strategy.ts;h=61dd2cff38f2c0337c6b3b20706fe209ffc27021;hb=937e8172c579605e1ed1a286f7c8c9fa743394d8;hp=9c863b56f980bffe9f2eb6b86244bb3ad1573033;hpb=b51d859692c3830760721f06bdb2c909c1d5d9a7;p=poolifier.git

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 9c863b56..61dd2cff 100644
--- 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
@@ -1,19 +1,15 @@
-import type { IWorker } from '../worker'
-import type { IPool } from '../pool'
-import {
-  DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
-  DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
-} from '../../utils'
-import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
+import type { IPool } from '../pool.js'
+import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../utils.js'
+import type { IWorker } from '../worker.js'
+import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy.js'
 import type {
   IWorkerChoiceStrategy,
   TaskStatisticsRequirements,
-  WorkerChoiceStrategyOptions
-} from './selection-strategies-types'
+  WorkerChoiceStrategyOptions,
+} from './selection-strategies-types.js'
 
 /**
  * Selects the next worker with an interleaved weighted round robin scheduling algorithm.
- *
  * @typeParam Worker - Type of worker which manages the strategy.
  * @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.
@@ -30,20 +26,20 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
     runTime: {
       aggregate: true,
       average: true,
-      median: false
+      median: false,
     },
-    waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
-    elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
+    waitTime: {
+      aggregate: true,
+      average: true,
+      median: false,
+    },
+    elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
   }
 
   /**
    * Round id.
    */
-  private roundId: number = 0
-  /**
-   * Default worker weight.
-   */
-  private readonly defaultWorkerWeight: number
+  private roundId = 0
   /**
    * Round weights.
    */
@@ -51,20 +47,19 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   /**
    * Worker node id.
    */
-  private workerNodeId: number = 0
+  private workerNodeId = 0
   /**
-   * Worker node virtual task runtime.
+   * Worker node virtual execution time.
    */
-  private workerNodeVirtualTaskRunTime: number = 0
+  private workerNodeVirtualTaskExecutionTime = 0
 
   /** @inheritDoc */
   public constructor (
     pool: IPool<Worker, Data, Response>,
-    opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+    opts?: WorkerChoiceStrategyOptions
   ) {
     super(pool, opts)
     this.setTaskStatisticsRequirements(this.opts)
-    this.defaultWorkerWeight = this.computeDefaultWorkerWeight()
     this.roundWeights = this.getRoundWeights()
   }
 
@@ -73,7 +68,7 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
     this.resetWorkerNodeKeyProperties()
     this.roundId = 0
     this.workerNodeId = 0
-    this.workerNodeVirtualTaskRunTime = 0
+    this.workerNodeVirtualTaskExecutionTime = 0
     return true
   }
 
@@ -98,19 +93,19 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
         this.workerNodeId = workerNodeKey
         if (
           this.workerNodeId !== this.nextWorkerNodeKey &&
-          this.workerNodeVirtualTaskRunTime !== 0
+          this.workerNodeVirtualTaskExecutionTime !== 0
         ) {
-          this.workerNodeVirtualTaskRunTime = 0
+          this.workerNodeVirtualTaskExecutionTime = 0
         }
-        const workerWeight =
-          this.opts.weights?.[workerNodeKey] ?? this.defaultWorkerWeight
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        const workerWeight = this.opts!.weights![workerNodeKey]
         if (
           this.isWorkerNodeReady(workerNodeKey) &&
           workerWeight >= this.roundWeights[roundIndex] &&
-          this.workerNodeVirtualTaskRunTime < workerWeight
+          this.workerNodeVirtualTaskExecutionTime < workerWeight
         ) {
-          this.workerNodeVirtualTaskRunTime =
-            this.workerNodeVirtualTaskRunTime +
+          this.workerNodeVirtualTaskExecutionTime +=
+            this.getWorkerNodeTaskWaitTime(workerNodeKey) +
             this.getWorkerNodeTaskRunTime(workerNodeKey)
           this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
           this.nextWorkerNodeKey = workerNodeKey
@@ -122,7 +117,9 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   }
 
   private interleavedWeightedRoundRobinNextWorkerNodeId (): void {
-    if (
+    if (this.pool.workerNodes.length === 0) {
+      this.workerNodeId = 0
+    } else if (
       this.roundId === this.roundWeights.length - 1 &&
       this.workerNodeId === this.pool.workerNodes.length - 1
     ) {
@@ -139,7 +136,10 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   /** @inheritDoc */
   public remove (workerNodeKey: number): boolean {
     if (this.pool.workerNodes.length === 0) {
-      this.reset()
+      this.resetWorkerNodeKeyProperties()
+      this.workerNodeId = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
+      return true
     }
     if (
       this.workerNodeId === workerNodeKey &&
@@ -157,21 +157,19 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   }
 
   /** @inheritDoc */
-  public setOptions (opts: WorkerChoiceStrategyOptions): void {
+  public setOptions (opts: WorkerChoiceStrategyOptions | undefined): void {
     super.setOptions(opts)
     this.roundWeights = this.getRoundWeights()
   }
 
   private getRoundWeights (): number[] {
-    if (this.opts.weights == null) {
-      return [this.defaultWorkerWeight]
-    }
     return [
       ...new Set(
-        Object.values(this.opts.weights)
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        Object.values(this.opts!.weights!)
           .slice()
-          .sort((a, b) => b - a)
-      )
+          .sort((a, b) => a - b)
+      ),
     ]
   }
 }