forked from gonum/gonum
/
level2bench.go
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/
level2bench.go
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// Copyright ©2014 The Gonum Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package testblas
import (
"testing"
"golang.org/x/exp/rand"
"gonum.org/v1/gonum/blas"
)
func DgemvBenchmark(b *testing.B, impl Dgemver, tA blas.Transpose, m, n, incX, incY int) {
var lenX, lenY int
if tA == blas.NoTrans {
lenX = n
lenY = m
} else {
lenX = m
lenY = n
}
xr := make([]float64, lenX)
for i := range xr {
xr[i] = rand.Float64()
}
x := makeIncremented(xr, incX, 0)
yr := make([]float64, lenY)
for i := range yr {
yr[i] = rand.Float64()
}
y := makeIncremented(yr, incY, 0)
a := make([]float64, m*n)
for i := range a {
a[i] = rand.Float64()
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
impl.Dgemv(tA, m, n, 2, a, n, x, incX, 3, y, incY)
}
}
func DgerBenchmark(b *testing.B, impl Dgerer, m, n, incX, incY int) {
xr := make([]float64, m)
for i := range xr {
xr[i] = rand.Float64()
}
x := makeIncremented(xr, incX, 0)
yr := make([]float64, n)
for i := range yr {
yr[i] = rand.Float64()
}
y := makeIncremented(yr, incY, 0)
a := make([]float64, m*n)
for i := range a {
a[i] = rand.Float64()
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
impl.Dger(m, n, 2, x, incX, y, incY, a, n)
}
}
type Sgerer interface {
Sger(m, n int, alpha float32, x []float32, incX int, y []float32, incY int, a []float32, lda int)
}
func SgerBenchmark(b *testing.B, blasser Sgerer, m, n, incX, incY int) {
xr := make([]float32, m)
for i := range xr {
xr[i] = rand.Float32()
}
x := makeIncremented32(xr, incX, 0)
yr := make([]float32, n)
for i := range yr {
yr[i] = rand.Float32()
}
y := makeIncremented32(yr, incY, 0)
a := make([]float32, m*n)
for i := range a {
a[i] = rand.Float32()
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
blasser.Sger(m, n, 2, x, incX, y, incY, a, n)
}
}