X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fleast-busy-worker-choice-strategy.ts;h=9a1550e06f60dfecc4339f56ac2c01ad3a7344cf;hb=3d76750ac8dacd95003ca89cf9542c3b2a014b8c;hp=8afd2c36edda1bcb7fe94dcb2b6d1f51c36eac9e;hpb=4a59691c9f48b3a6602510aeece809e2a0fe14c1;p=poolifier.git diff --git a/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts b/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts index 8afd2c36..9a1550e0 100644 --- a/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts @@ -1,4 +1,7 @@ -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' @@ -12,8 +15,8 @@ import type { * Selects the least busy worker. * * @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 LeastBusyWorkerChoiceStrategy< Worker extends IWorker, @@ -34,7 +37,7 @@ export class LeastBusyWorkerChoiceStrategy< average: false, median: false }, - elu: false + elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } /** @inheritDoc */ @@ -58,24 +61,31 @@ export class LeastBusyWorkerChoiceStrategy< /** @inheritDoc */ public choose (): number { + return this.leastBusyNextWorkerNodeKey() + } + + /** @inheritDoc */ + public remove (): boolean { + return true + } + + private leastBusyNextWorkerNodeKey (): number { let minTime = Infinity - let leastBusyWorkerNodeKey!: number for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) { const workerTime = - workerNode.workerUsage.runTime.aggregate + - workerNode.workerUsage.waitTime.aggregate - if (workerTime === 0) { - return workerNodeKey - } else if (workerTime < minTime) { + (workerNode.usage.runTime?.aggregate ?? 0) + + (workerNode.usage.waitTime?.aggregate ?? 0) + if (this.isWorkerNodeReady(workerNodeKey) && workerTime === 0) { + this.nextWorkerNodeKey = workerNodeKey + break + } else if ( + this.isWorkerNodeReady(workerNodeKey) && + workerTime < minTime + ) { minTime = workerTime - leastBusyWorkerNodeKey = workerNodeKey + this.nextWorkerNodeKey = workerNodeKey } } - return leastBusyWorkerNodeKey - } - - /** @inheritDoc */ - public remove (): boolean { - return true + return this.nextWorkerNodeKey } }