Memory usage optimization

pkg/rrc/histogram.go

@@ -3,7 +3,6 @@ package rrc
 import (
 	"bytes"
 	"encoding/binary"
-	"fmt"
 	"math"
 	"os"
 
@@ -161,10 +160,16 @@ func (hist *ProbeHistogram) compute() {
 
 	log.Info("total Tij table entries:", nT)
 	if nT != int64(hist.probes*MaxGrayLevel) {
-		log.Warn("error in computing Tij table, some values are not satisfied")
+		log.Warn("error in computing Tij table, some values are not satisfied, nT:", nT,
+			"probes*MaxGrayLevel:", hist.probes*MaxGrayLevel)
 	}
 }
 
+const (
+	CheckPointProbe = 1000
+	CheckPointGray  = 15000
+)
+
 func (hist *ProbeHistogram) saveLUT(fLUT string) error {
 	file, err := os.Create(fLUT)
 	if err != nil {
@@ -173,16 +178,14 @@ func (hist *ProbeHistogram) saveLUT(fLUT string) error {
 	defer file.Close()
 	for i := 0; i < hist.probes; i++ {
 		binary.Write(file, binary.LittleEndian, hist.Tmat[i])
+		if i == CheckPointProbe {
+			log.Infof("Probes *, LUT check point [%d][%d]: %d", i, CheckPointGray, hist.Tmat[i][CheckPointGray])
+		}
 	}
 
 	return nil
 }
 
-const (
-	CheckPointProbe = 1000
-	CheckPointGray  = 15000
-)
-
 func LoadLUT(fLUT string, probes int) ([][]uint16, error) {
 	data, err := os.ReadFile(fLUT)
 	if err != nil {
@@ -214,7 +217,15 @@ func (hist *ProbeHistogram) sum(hists []*ProbeHistogram) {
 			hist.m_l[gray] += h.m_l[gray]
 		}
 	}
-
-	fmt.Println("Hist.M:", hist.M)
-	fmt.Println("Hist.probes:", hist.probes)
+}
+
+func (hist *ProbeHistogram) free() {
+	hist.N_i = nil
+	hist.n_ik = nil
+	hist.p_ik = nil
+	hist.m_l = nil
+	hist.P_l = nil
+	hist.S_ik = nil
+	hist.V_l = nil
+	hist.Tmat = nil
 }