🚧 go: vek for SIMD

Author: WillForan

go.mod

@@ -3,8 +3,13 @@ module voxcor
 go 1.21.1
 
 require (
+	github.com/chewxy/math32 v1.10.1 // indirect
 	github.com/klauspost/compress v1.15.15 // indirect
 	github.com/klauspost/pgzip v1.2.5 // indirect
 	github.com/okieraised/gonii v0.9.0 // indirect
+	github.com/viterin/partial v1.1.0 // indirect
+	github.com/viterin/vek v0.4.2 // indirect
+	golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63 // indirect
+	golang.org/x/sys v0.11.0 // indirect
 	gonum.org/v1/gonum v0.14.0 // indirect
 )

go.sum

@@ -1,8 +1,18 @@
+github.com/chewxy/math32 v1.10.1 h1:LFpeY0SLJXeaiej/eIp2L40VYfscTvKh/FSEZ68uMkU=
+github.com/chewxy/math32 v1.10.1/go.mod h1:dOB2rcuFrCn6UHrze36WSLVPKtzPMRAQvBvUwkSsLqs=
 github.com/klauspost/compress v1.15.15 h1:EF27CXIuDsYJ6mmvtBRlEuB2UVOqHG1tAXgZ7yIO+lw=
 github.com/klauspost/compress v1.15.15/go.mod h1:ZcK2JAFqKOpnBlxcLsJzYfrS9X1akm9fHZNnD9+Vo/4=
 github.com/klauspost/pgzip v1.2.5 h1:qnWYvvKqedOF2ulHpMG72XQol4ILEJ8k2wwRl/Km8oE=
 github.com/klauspost/pgzip v1.2.5/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
 github.com/okieraised/gonii v0.9.0 h1:3tgFUkcDTqs10i1ktO2Kz4j3l09prLvA3BgdWYig+Sw=
 github.com/okieraised/gonii v0.9.0/go.mod h1:4gPAkpytAgahn8gIY4TUB+o3Ijvk35Jo5qA4n2UYzpY=
+github.com/viterin/partial v1.1.0 h1:iH1l1xqBlapXsYzADS1dcbizg3iQUKTU1rbwkHv/80E=
+github.com/viterin/partial v1.1.0/go.mod h1:oKGAo7/wylWkJTLrWX8n+f4aDPtQMQ6VG4dd2qur5QA=
+github.com/viterin/vek v0.4.2 h1:Vyv04UjQT6gcjEFX82AS9ocgNbAJqsHviheIBdPlv5U=
+github.com/viterin/vek v0.4.2/go.mod h1:A4JRAe8OvbhdzBL5ofzjBS0J29FyUrf95tQogvtHHUc=
+golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63 h1:m64FZMko/V45gv0bNmrNYoDEq8U5YUhetc9cBWKS1TQ=
+golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63/go.mod h1:0v4NqG35kSWCMzLaMeX+IQrlSnVE/bqGSyC2cz/9Le8=
+golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gonum.org/v1/gonum v0.14.0 h1:2NiG67LD1tEH0D7kM+ps2V+fXmsAnpUeec7n8tcr4S0=
 gonum.org/v1/gonum v0.14.0/go.mod h1:AoWeoz0becf9QMWtE8iWXNXc27fK4fNeHNf/oMejGfU=

niimean/main.go

@@ -3,7 +3,10 @@ package main
 import (
 	"fmt"
 	util "voxcor/util"
-   "gonum.org/v1/gonum/stat"
+   //"gonum.org/v1/gonum/stat"
+
+   //vek is a collection of SIMD accelerated vector functions for Go.
+   "github.com/viterin/vek"
 )
 
 func main() {
@@ -19,5 +22,10 @@ func main() {
 	n := float64(len(img))
 	fmt.Printf("mean: %.3f", sum/n)
    */
-   fmt.Printf("%.3f",stat.Mean(img, nil))
+
+   // same as loop
+   //fmt.Printf("%.3f",stat.Mean(img, nil))
+
+   // slower! on core duo
+   fmt.Printf("%.3f", vek.Mean(img))
 }