perf: use optimized circular buffer implementation to store measurements history

[poolifier.git] / src / pools / utils.ts

diff --git a/src/pools/utils.ts b/src/pools/utils.ts
index df9c256e95390d0731b730ae6726678d5bcbdfb7..f2ede8b6d2b07d44316cfdaa14abd91cb10204cc 100644 (file)
--- a/src/pools/utils.ts
+++ b/src/pools/utils.ts
@@ -226,21 +226,25 @@ const updateMeasurementStatistics = (
       (measurementStatistics.aggregate ?? 0) + measurementValue
     measurementStatistics.minimum = min(
       measurementValue,
-      measurementStatistics.minimum ?? Infinity
+      measurementStatistics.minimum ?? Number.POSITIVE_INFINITY
     )
     measurementStatistics.maximum = max(
       measurementValue,
-      measurementStatistics.maximum ?? -Infinity
+      measurementStatistics.maximum ?? Number.NEGATIVE_INFINITY
     )
     if (measurementRequirements.average || measurementRequirements.median) {
-      measurementStatistics.history.push(measurementValue)
+      measurementStatistics.history.put(measurementValue)
       if (measurementRequirements.average) {
-        measurementStatistics.average = average(measurementStatistics.history)
+        measurementStatistics.average = average(
+          measurementStatistics.history.toArray()
+        )
       } else if (measurementStatistics.average != null) {
         delete measurementStatistics.average
       }
       if (measurementRequirements.median) {
-        measurementStatistics.median = median(measurementStatistics.history)
+        measurementStatistics.median = median(
+          measurementStatistics.history.toArray()
+        )
       } else if (measurementStatistics.median != null) {
         delete measurementStatistics.median
       }
@@ -416,12 +420,20 @@ export const waitWorkerNodeEvents = async <
       resolve(events)
       return
     }
-    workerNode.on(workerNodeEvent, () => {
-      ++events
-      if (events === numberOfEventsToWait) {
-        resolve(events)
-      }
-    })
+    switch (workerNodeEvent) {
+      case 'idle':
+      case 'backPressure':
+      case 'taskFinished':
+        workerNode.on(workerNodeEvent, () => {
+          ++events
+          if (events === numberOfEventsToWait) {
+            resolve(events)
+          }
+        })
+        break
+      default:
+        throw new Error('Invalid worker node event')
+    }
     if (timeout >= 0) {
       setTimeout(() => {
         resolve(events)