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package blas
import (
"testing"
"math/rand"
)
func benchmarkDotProduct(bench *testing.B, size int, useGo bool) {
x := make([]float32, size)
y := make([]float32, size)
r := rand.New(rand.NewSource(42))
for i := 0; i < size; i++ {
x[i] = r.Float32()
y[i] = r.Float32()
}
bench.ResetTimer()
if useGo {
for i := 0; i < bench.N; i++ {
var z float32 = 0.0
for j := 0; j < size; j++ {
z += x[j] * y[j]
}
}
} else {
for i := 0; i < bench.N; i++ {
DotProduct(&x[0], &y[0], uint(size))
}
}
}
func BenchmarkDotProduct_L1_PeachPy(bench *testing.B) {
benchmarkDotProduct(bench, 4096, false)
}
func BenchmarkDotProduct_L2_PeachPy(bench *testing.B) {
benchmarkDotProduct(bench, 32768, false)
}
func BenchmarkDotProduct_L3_PeachPy(bench *testing.B) {
benchmarkDotProduct(bench, 262144, false)
}
func BenchmarkDotProduct_L1_Go(bench *testing.B) {
benchmarkDotProduct(bench, 4096, true)
}
func BenchmarkDotProduct_L2_Go(bench *testing.B) {
benchmarkDotProduct(bench, 32768, true)
}
func BenchmarkDotProduct_L3_Go(bench *testing.B) {
benchmarkDotProduct(bench, 262144, true)
}
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