From 5fd3a6a7b54a4e97ede1fa56f77aa49996016c95 Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Fri, 17 Jan 2025 15:51:22 +0800
Subject: [PATCH] optimize float series memory allocation

---
 pkg/types/series_float64.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkg/types/series_float64.go b/pkg/types/series_float64.go
index 904d229580..3e06b5e59d 100644
--- a/pkg/types/series_float64.go
+++ b/pkg/types/series_float64.go
@@ -12,7 +12,13 @@ type Float64Series struct {
 
 func NewFloat64Series(v ...float64) *Float64Series {
 	s := &Float64Series{}
-	s.Slice = v
+
+	if len(v) == 0 {
+		s.Slice = make([]float64, 0, 1024)
+	} else {
+		s.Slice = v
+	}
+
 	s.SeriesBase.Series = &s.Slice
 	return s
 }
@@ -60,7 +66,6 @@ func (f *Float64Series) AddSubscriber(fn func(v float64)) {
 	}
 }
 
-
 // Bind binds the source event to the target (Float64Calculator)
 // A Float64Calculator should be able to calculate the float64 result from a single float64 argument input
 func (f *Float64Series) Bind(source Float64Source, target Float64Calculator) {