X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils.ts;h=a6f5fbcc5b729b98f5dec1da1de8178eff830d40;hb=f42c583f7cef671a4a70b2d749875ea3a155fd84;hp=baaf1c1ca62499106a4ce0ea41148204dda75d2b;hpb=78ebe9d5933520d55ba8d025bb124e8beca01a4c;p=poolifier.git

diff --git a/src/utils.ts b/src/utils.ts
index baaf1c1c..a6f5fbcc 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,4 +1,8 @@
-import type { WorkerChoiceStrategyOptions } from './pools/selection-strategies/selection-strategies-types'
+import os from 'node:os'
+import type {
+  MeasurementStatisticsRequirements,
+  WorkerChoiceStrategyOptions
+} from './pools/selection-strategies/selection-strategies-types'
 
 /**
  * An intentional empty function.
@@ -12,10 +16,37 @@ export const EMPTY_FUNCTION: () => void = Object.freeze(() => {
  */
 export const DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS: WorkerChoiceStrategyOptions =
   {
-    medRunTime: false,
-    medWaitTime: false
+    runTime: { median: false },
+    waitTime: { median: false },
+    elu: { median: false }
   }
 
+/**
+ * Default measurement statistics requirements.
+ */
+export const DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS: MeasurementStatisticsRequirements =
+  {
+    aggregate: false,
+    average: false,
+    median: false
+  }
+
+/**
+ * Safe helper to get the host OS optimized maximum pool size.
+ */
+export const availableParallelism = (): number => {
+  let availableParallelism = 1
+  try {
+    availableParallelism = os.availableParallelism()
+  } catch {
+    const cpus = os.cpus()
+    if (Array.isArray(cpus) && cpus.length > 0) {
+      availableParallelism = cpus.length
+    }
+  }
+  return availableParallelism
+}
+
 /**
  * Compute the median of the given data set.
  *