--- /dev/null
+// Copyright ©2017 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 c128
+
+import (
+ "fmt"
+ "testing"
+)
+
+func BenchmarkDotUnitary(t *testing.B) {
+ for _, test := range []struct {
+ name string
+ f func(x, y []complex128) complex128
+ }{
+ {"DotcUnitary", DotcUnitary},
+ {"DotuUnitary", DotuUnitary},
+ } {
+ for _, v := range []int64{1, 2, 3, 4, 5, 10, 100, 1e3, 5e3, 1e4, 5e4} {
+ t.Run(fmt.Sprintf("%s-%d", test.name, v), func(b *testing.B) {
+ x, y := x[:v], y[:v]
+ b.SetBytes(256 * v)
+ for i := 0; i < b.N; i++ {
+ benchSink = test.f(x, y)
+ }
+ })
+ }
+ }
+}
+
+func BenchmarkDotInc(t *testing.B) {
+ for _, test := range []struct {
+ name string
+ f func(x, y []complex128, n, incX, incY, ix, iy uintptr) complex128
+ }{
+ {"DotcInc", DotcInc},
+ {"DotuInc", DotuInc},
+ } {
+ for _, ln := range []int{1, 2, 3, 4, 5, 10, 100, 1e3, 5e3, 1e4, 5e4} {
+ for _, inc := range []int{1, 2, 4, 10, -1, -2, -4, -10} {
+ t.Run(fmt.Sprintf("%s-%d-inc%d", test.name, ln, inc), func(b *testing.B) {
+ b.SetBytes(int64(256 * ln))
+ var idx int
+ if inc < 0 {
+ idx = (-ln + 1) * inc
+ }
+ for i := 0; i < b.N; i++ {
+ benchSink = test.f(x, y, uintptr(ln),
+ uintptr(inc), uintptr(inc),
+ uintptr(idx), uintptr(idx))
+ }
+ })
+ }
+ }
+ }
+}