X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Ffair-share-worker-choice-strategy.ts;h=fc4bd1fd4de4f281c8dbae20fcf3014ca0a5565f;hb=9fe8fd698590c2494dc6793cfd8c08026fe88a31;hp=52b25fb947cd38c08c024ab5c816b90f5adeae0a;hpb=5df69fabd77b3ec4137a6382e2d84791bf0fe85d;p=poolifier.git diff --git a/src/pools/selection-strategies/fair-share-worker-choice-strategy.ts b/src/pools/selection-strategies/fair-share-worker-choice-strategy.ts index 52b25fb9..fc4bd1fd 100644 --- a/src/pools/selection-strategies/fair-share-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/fair-share-worker-choice-strategy.ts @@ -1,11 +1,15 @@ -import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils' +import { + DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, + 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 +17,8 @@ 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, @@ -30,14 +34,10 @@ export class FairShareWorkerChoiceStrategy< average: true, median: false }, - waitTime: { - aggregate: false, - average: false, - median: false - }, + waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, elu: { - aggregate: false, - average: false, + aggregate: true, + average: true, median: false } } @@ -69,10 +69,24 @@ export class FairShareWorkerChoiceStrategy< } /** @inheritDoc */ - public choose (): number { + public choose (): number | undefined { + this.nextWorkerNodeKey = this.fairShareNextWorkerNodeKey() + return this.nextWorkerNodeKey + } + + /** @inheritDoc */ + public remove (workerNodeKey: number): boolean { + this.workersVirtualTaskEndTimestamp.splice(workerNodeKey, 1) + return true + } + + private fairShareNextWorkerNodeKey (): number | undefined { let minWorkerVirtualTaskEndTimestamp = Infinity - let chosenWorkerNodeKey!: number + let chosenWorkerNodeKey: number | undefined for (const [workerNodeKey] of this.pool.workerNodes.entries()) { + if (!this.isWorkerNodeEligible(workerNodeKey)) { + continue + } if (this.workersVirtualTaskEndTimestamp[workerNodeKey] == null) { this.computeWorkerVirtualTaskEndTimestamp(workerNodeKey) } @@ -86,12 +100,6 @@ export class FairShareWorkerChoiceStrategy< return chosenWorkerNodeKey } - /** @inheritDoc */ - public remove (workerNodeKey: number): boolean { - this.workersVirtualTaskEndTimestamp.splice(workerNodeKey, 1) - return true - } - /** * Computes the worker node key virtual task end timestamp. * @@ -109,9 +117,11 @@ 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 {