X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Ffair-share-worker-choice-strategy.ts;h=00c56dad8f555f64afc0a4d21a693d6a97b956f5;hb=9b1068374b1a52479b07e1e22b692289d5579237;hp=4ea68d40cd127632de1fed3b94568aa531ebe8cb;hpb=4a59691c9f48b3a6602510aeece809e2a0fe14c1;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 4ea68d40..00c56dad 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, @@ -30,12 +34,12 @@ export class FairShareWorkerChoiceStrategy< average: true, median: false }, - waitTime: { - aggregate: false, - average: false, + waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, + elu: { + aggregate: true, + average: true, median: false - }, - elu: false + } } /** @@ -66,26 +70,32 @@ export class FairShareWorkerChoiceStrategy< /** @inheritDoc */ public choose (): number { + this.fairShareNextWorkerNodeKey() + return this.nextWorkerNodeKey + } + + /** @inheritDoc */ + public remove (workerNodeKey: number): boolean { + this.workersVirtualTaskEndTimestamp.splice(workerNodeKey, 1) + return true + } + + private fairShareNextWorkerNodeKey (): void { let minWorkerVirtualTaskEndTimestamp = Infinity - let chosenWorkerNodeKey!: number for (const [workerNodeKey] of this.pool.workerNodes.entries()) { if (this.workersVirtualTaskEndTimestamp[workerNodeKey] == null) { this.computeWorkerVirtualTaskEndTimestamp(workerNodeKey) } const workerVirtualTaskEndTimestamp = this.workersVirtualTaskEndTimestamp[workerNodeKey] - if (workerVirtualTaskEndTimestamp < minWorkerVirtualTaskEndTimestamp) { + if ( + this.isWorkerNodeReady(workerNodeKey) && + workerVirtualTaskEndTimestamp < minWorkerVirtualTaskEndTimestamp + ) { minWorkerVirtualTaskEndTimestamp = workerVirtualTaskEndTimestamp - chosenWorkerNodeKey = workerNodeKey + this.nextWorkerNodeKey = workerNodeKey } } - return chosenWorkerNodeKey - } - - /** @inheritDoc */ - public remove (workerNodeKey: number): boolean { - this.workersVirtualTaskEndTimestamp.splice(workerNodeKey, 1) - return true } /** @@ -105,9 +115,11 @@ 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 {