X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Futils.ts;h=99584d8528d65f5538d3f89e309a6dd77d4fde79;hb=d35e571704515a8b729d3455e4784054f07c368f;hp=11c30ad1da9b5cf875be570116fdf240cb0af89b;hpb=c3719753af0a9be03abf722a7543495359e817b5;p=poolifier.git

diff --git a/src/pools/utils.ts b/src/pools/utils.ts
index 11c30ad1..99584d85 100644
--- a/src/pools/utils.ts
+++ b/src/pools/utils.ts
@@ -1,20 +1,37 @@
 import { existsSync } from 'node:fs'
 import cluster from 'node:cluster'
 import { SHARE_ENV, Worker, type WorkerOptions } from 'node:worker_threads'
-import { average, isPlainObject, max, median, min } from '../utils'
+import { env } from 'node:process'
+import { average, isPlainObject, max, median, min } from '../utils.js'
+import type { MessageValue, Task } from '../utility-types.js'
 import {
   type MeasurementStatisticsRequirements,
   WorkerChoiceStrategies,
   type WorkerChoiceStrategy
-} from './selection-strategies/selection-strategies-types'
-import type { TasksQueueOptions } from './pool'
+} from './selection-strategies/selection-strategies-types.js'
+import type { TasksQueueOptions } from './pool.js'
 import {
   type IWorker,
+  type IWorkerNode,
   type MeasurementStatistics,
   type WorkerNodeOptions,
   type WorkerType,
-  WorkerTypes
-} from './worker'
+  WorkerTypes,
+  type WorkerUsage
+} from './worker.js'
+import type { WorkerChoiceStrategyContext } from './selection-strategies/worker-choice-strategy-context.js'
+
+export const getDefaultTasksQueueOptions = (
+  poolMaxSize: number
+): Required<TasksQueueOptions> => {
+  return {
+    size: Math.pow(poolMaxSize, 2),
+    concurrency: 1,
+    taskStealing: true,
+    tasksStealingOnBackPressure: true,
+    tasksFinishedTimeout: 2000
+  }
+}
 
 export const checkFilePath = (filePath: string): void => {
   if (filePath == null) {
@@ -119,7 +136,7 @@ export const checkWorkerNodeArguments = (
       'Cannot construct a worker node without worker node options'
     )
   }
-  if (opts != null && !isPlainObject(opts)) {
+  if (!isPlainObject(opts)) {
     throw new TypeError(
       'Cannot construct a worker node with invalid options: must be a plain object'
     )
@@ -147,10 +164,9 @@ export const checkWorkerNodeArguments = (
  * @param measurementStatistics - The measurement statistics to update.
  * @param measurementRequirements - The measurement statistics requirements.
  * @param measurementValue - The measurement value.
- * @param numberOfMeasurements - The number of measurements.
  * @internal
  */
-export const updateMeasurementStatistics = (
+const updateMeasurementStatistics = (
   measurementStatistics: MeasurementStatistics,
   measurementRequirements: MeasurementStatisticsRequirements,
   measurementValue: number
@@ -184,6 +200,115 @@ export const updateMeasurementStatistics = (
     }
   }
 }
+if (env.NODE_ENV === 'test') {
+  // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+  exports.updateMeasurementStatistics = updateMeasurementStatistics
+}
+
+export const updateWaitTimeWorkerUsage = <
+  Worker extends IWorker,
+  Data = unknown,
+  Response = unknown
+>(
+    workerChoiceStrategyContext: WorkerChoiceStrategyContext<
+    Worker,
+    Data,
+    Response
+    >,
+    workerUsage: WorkerUsage,
+    task: Task<Data>
+  ): void => {
+  const timestamp = performance.now()
+  const taskWaitTime = timestamp - (task.timestamp ?? timestamp)
+  updateMeasurementStatistics(
+    workerUsage.waitTime,
+    workerChoiceStrategyContext.getTaskStatisticsRequirements().waitTime,
+    taskWaitTime
+  )
+}
+
+export const updateTaskStatisticsWorkerUsage = <Response = unknown>(
+  workerUsage: WorkerUsage,
+  message: MessageValue<Response>
+): void => {
+  const workerTaskStatistics = workerUsage.tasks
+  if (
+    workerTaskStatistics.executing != null &&
+    workerTaskStatistics.executing > 0
+  ) {
+    --workerTaskStatistics.executing
+  }
+  if (message.workerError == null) {
+    ++workerTaskStatistics.executed
+  } else {
+    ++workerTaskStatistics.failed
+  }
+}
+
+export const updateRunTimeWorkerUsage = <
+  Worker extends IWorker,
+  Data = unknown,
+  Response = unknown
+>(
+    workerChoiceStrategyContext: WorkerChoiceStrategyContext<
+    Worker,
+    Data,
+    Response
+    >,
+    workerUsage: WorkerUsage,
+    message: MessageValue<Response>
+  ): void => {
+  if (message.workerError != null) {
+    return
+  }
+  updateMeasurementStatistics(
+    workerUsage.runTime,
+    workerChoiceStrategyContext.getTaskStatisticsRequirements().runTime,
+    message.taskPerformance?.runTime ?? 0
+  )
+}
+
+export const updateEluWorkerUsage = <
+  Worker extends IWorker,
+  Data = unknown,
+  Response = unknown
+>(
+    workerChoiceStrategyContext: WorkerChoiceStrategyContext<
+    Worker,
+    Data,
+    Response
+    >,
+    workerUsage: WorkerUsage,
+    message: MessageValue<Response>
+  ): void => {
+  if (message.workerError != null) {
+    return
+  }
+  const eluTaskStatisticsRequirements: MeasurementStatisticsRequirements =
+    workerChoiceStrategyContext.getTaskStatisticsRequirements().elu
+  updateMeasurementStatistics(
+    workerUsage.elu.active,
+    eluTaskStatisticsRequirements,
+    message.taskPerformance?.elu?.active ?? 0
+  )
+  updateMeasurementStatistics(
+    workerUsage.elu.idle,
+    eluTaskStatisticsRequirements,
+    message.taskPerformance?.elu?.idle ?? 0
+  )
+  if (eluTaskStatisticsRequirements.aggregate) {
+    if (message.taskPerformance?.elu != null) {
+      if (workerUsage.elu.utilization != null) {
+        workerUsage.elu.utilization =
+          (workerUsage.elu.utilization +
+            message.taskPerformance.elu.utilization) /
+          2
+      } else {
+        workerUsage.elu.utilization = message.taskPerformance.elu.utilization
+      }
+    }
+  }
+}
 
 export const createWorker = <Worker extends IWorker>(
   type: WorkerType,
@@ -203,3 +328,32 @@ export const createWorker = <Worker extends IWorker>(
       throw new Error(`Unknown worker type '${type}'`)
   }
 }
+
+export const waitWorkerNodeEvents = async <
+  Worker extends IWorker,
+  Data = unknown
+>(
+  workerNode: IWorkerNode<Worker, Data>,
+  workerNodeEvent: string,
+  numberOfEventsToWait: number,
+  timeout: number
+): Promise<number> => {
+  return await new Promise<number>(resolve => {
+    let events = 0
+    if (numberOfEventsToWait === 0) {
+      resolve(events)
+      return
+    }
+    workerNode.on(workerNodeEvent, () => {
+      ++events
+      if (events === numberOfEventsToWait) {
+        resolve(events)
+      }
+    })
+    if (timeout >= 0) {
+      setTimeout(() => {
+        resolve(events)
+      }, timeout)
+    }
+  })
+}