X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fabstract-worker-choice-strategy.ts;h=f4273dcd9d17bc3e20f56795f0891a0dbf4b2d56;hb=refs%2Fheads%2Fmaster;hp=86692de92f50c6cc9b1c1c7bcb3e1e960d5693e5;hpb=2e28cc474acdc3f884a7a975b0e833a8e5548df0;p=poolifier.git diff --git a/src/pools/selection-strategies/abstract-worker-choice-strategy.ts b/src/pools/selection-strategies/abstract-worker-choice-strategy.ts index 86692de9..f4273dcd 100644 --- a/src/pools/selection-strategies/abstract-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/abstract-worker-choice-strategy.ts @@ -1,21 +1,19 @@ -import { cpus } from 'node:os' -import { - DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, - DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS -} from '../../utils' -import type { IPool } from '../pool' -import type { IWorker } from '../worker' +import type { IPool } from '../pool.js' +import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../utils.js' +import type { IWorker } from '../worker.js' import type { IWorkerChoiceStrategy, - MeasurementStatisticsRequirements, StrategyPolicy, TaskStatisticsRequirements, - WorkerChoiceStrategyOptions -} from './selection-strategies-types' + WorkerChoiceStrategyOptions, +} from './selection-strategies-types.js' +import { + buildWorkerChoiceStrategyOptions, + toggleMedianMeasurementStatisticsRequirements, +} from './selection-strategies-utils.js' /** * Worker choice strategy abstract base class. - * * @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. @@ -33,66 +31,54 @@ export abstract class AbstractWorkerChoiceStrategy< /** * The previous worker node key. */ - protected previousWorkerNodeKey: number = 0 + protected previousWorkerNodeKey = 0 /** @inheritDoc */ public readonly strategyPolicy: StrategyPolicy = { dynamicWorkerUsage: false, - dynamicWorkerReady: true + dynamicWorkerReady: true, } /** @inheritDoc */ public readonly taskStatisticsRequirements: TaskStatisticsRequirements = { runTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, - elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS + elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, } /** * Constructs a worker choice strategy bound to the pool. - * * @param pool - The pool instance. * @param opts - The worker choice strategy options. */ public constructor ( protected readonly pool: IPool, - protected opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS + protected opts?: WorkerChoiceStrategyOptions ) { - this.opts = { ...DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS, ...opts } this.choose = this.choose.bind(this) + this.setOptions(this.opts) } protected setTaskStatisticsRequirements ( - opts: WorkerChoiceStrategyOptions + opts: WorkerChoiceStrategyOptions | undefined ): void { - this.toggleMedianMeasurementStatisticsRequirements( + toggleMedianMeasurementStatisticsRequirements( this.taskStatisticsRequirements.runTime, - opts.runTime?.median as boolean + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + opts!.runTime!.median ) - this.toggleMedianMeasurementStatisticsRequirements( + toggleMedianMeasurementStatisticsRequirements( this.taskStatisticsRequirements.waitTime, - opts.waitTime?.median as boolean + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + opts!.waitTime!.median ) - this.toggleMedianMeasurementStatisticsRequirements( + toggleMedianMeasurementStatisticsRequirements( this.taskStatisticsRequirements.elu, - opts.elu?.median as boolean + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + opts!.elu!.median ) } - private toggleMedianMeasurementStatisticsRequirements ( - measurementStatisticsRequirements: MeasurementStatisticsRequirements, - toggleMedian: boolean - ): void { - if (measurementStatisticsRequirements.average && toggleMedian) { - measurementStatisticsRequirements.average = false - measurementStatisticsRequirements.median = toggleMedian - } - if (measurementStatisticsRequirements.median && !toggleMedian) { - measurementStatisticsRequirements.average = true - measurementStatisticsRequirements.median = toggleMedian - } - } - protected resetWorkerNodeKeyProperties (): void { this.nextWorkerNodeKey = 0 this.previousWorkerNodeKey = 0 @@ -111,14 +97,16 @@ export abstract class AbstractWorkerChoiceStrategy< public abstract remove (workerNodeKey: number): boolean /** @inheritDoc */ - public setOptions (opts: WorkerChoiceStrategyOptions): void { - this.opts = { ...DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS, ...opts } + public setOptions (opts: WorkerChoiceStrategyOptions | undefined): void { + this.opts = buildWorkerChoiceStrategyOptions( + this.pool, + opts + ) this.setTaskStatisticsRequirements(this.opts) } /** * Whether the worker node is ready or not. - * * @param workerNodeKey - The worker node key. * @returns Whether the worker node is ready or not. */ @@ -126,11 +114,23 @@ export abstract class AbstractWorkerChoiceStrategy< return this.pool.workerNodes[workerNodeKey]?.info?.ready ?? false } + /** + * Check the next worker node key. + */ + protected checkNextWorkerNodeKey (): void { + if ( + this.nextWorkerNodeKey != null && + (this.nextWorkerNodeKey < 0 || + !this.isWorkerNodeReady(this.nextWorkerNodeKey)) + ) { + delete this.nextWorkerNodeKey + } + } + /** * Gets the worker node task runtime. * If the task statistics require the average runtime, the average runtime is returned. - * If the task statistics require the median runtime , the median runtime is returned. - * + * If the task statistics require the median runtime, the median runtime is returned. * @param workerNodeKey - The worker node key. * @returns The worker node task runtime. */ @@ -144,7 +144,6 @@ export abstract class AbstractWorkerChoiceStrategy< * Gets the worker node task wait time. * If the task statistics require the average wait time, the average wait time is returned. * If the task statistics require the median wait time, the median wait time is returned. - * * @param workerNodeKey - The worker node key. * @returns The worker node task wait time. */ @@ -158,7 +157,6 @@ export abstract class AbstractWorkerChoiceStrategy< * Gets the worker node task ELU. * If the task statistics require the average ELU, the average ELU is returned. * If the task statistics require the median ELU, the median ELU is returned. - * * @param workerNodeKey - The worker node key. * @returns The worker node task ELU. */ @@ -170,21 +168,12 @@ export abstract class AbstractWorkerChoiceStrategy< /** * Sets safely the previous worker node key. - * * @param workerNodeKey - The worker node key. */ protected setPreviousWorkerNodeKey (workerNodeKey: number | undefined): void { - this.previousWorkerNodeKey = workerNodeKey ?? this.previousWorkerNodeKey - } - - protected computeDefaultWorkerWeight (): number { - let cpusCycleTimeWeight = 0 - for (const cpu of cpus()) { - // CPU estimated cycle time - const numberOfDigits = cpu.speed.toString().length - 1 - const cpuCycleTime = 1 / (cpu.speed / Math.pow(10, numberOfDigits)) - cpusCycleTimeWeight += cpuCycleTime * Math.pow(10, numberOfDigits) - } - return Math.round(cpusCycleTimeWeight / cpus().length) + this.previousWorkerNodeKey = + workerNodeKey != null && workerNodeKey >= 0 + ? workerNodeKey + : this.previousWorkerNodeKey } }