github.com/jingcheng-WU/gonum@v0.9.1-0.20210323123734-f1a2a11a8f7b/blas/gonum/level1cmplx128_bench_test.go (about)

     1  // Copyright ©2017 The Gonum Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package gonum
     6  
     7  import (
     8  	"testing"
     9  
    10  	"golang.org/x/exp/rand"
    11  )
    12  
    13  func benchmarkZdscal(b *testing.B, n, inc int) {
    14  	rnd := rand.New(rand.NewSource(1))
    15  	alpha := rnd.NormFloat64()
    16  	x := make([]complex128, (n-1)*inc+1)
    17  	for i := range x {
    18  		x[i] = complex(rnd.NormFloat64(), rnd.NormFloat64())
    19  	}
    20  	b.ResetTimer()
    21  	for i := 0; i < b.N; i++ {
    22  		impl.Zdscal(n, alpha, x, inc)
    23  	}
    24  }
    25  
    26  func BenchmarkZdscalN10Inc1(b *testing.B)     { benchmarkZdscal(b, 10, 1) }
    27  func BenchmarkZdscalN100Inc1(b *testing.B)    { benchmarkZdscal(b, 100, 1) }
    28  func BenchmarkZdscalN1000Inc1(b *testing.B)   { benchmarkZdscal(b, 1000, 1) }
    29  func BenchmarkZdscalN10000Inc1(b *testing.B)  { benchmarkZdscal(b, 10000, 1) }
    30  func BenchmarkZdscalN100000Inc1(b *testing.B) { benchmarkZdscal(b, 100000, 1) }
    31  
    32  func BenchmarkZdscalN10Inc10(b *testing.B)     { benchmarkZdscal(b, 10, 10) }
    33  func BenchmarkZdscalN100Inc10(b *testing.B)    { benchmarkZdscal(b, 100, 10) }
    34  func BenchmarkZdscalN1000Inc10(b *testing.B)   { benchmarkZdscal(b, 1000, 10) }
    35  func BenchmarkZdscalN10000Inc10(b *testing.B)  { benchmarkZdscal(b, 10000, 10) }
    36  func BenchmarkZdscalN100000Inc10(b *testing.B) { benchmarkZdscal(b, 100000, 10) }
    37  
    38  func BenchmarkZdscalN10Inc1000(b *testing.B)     { benchmarkZdscal(b, 10, 1000) }
    39  func BenchmarkZdscalN100Inc1000(b *testing.B)    { benchmarkZdscal(b, 100, 1000) }
    40  func BenchmarkZdscalN1000Inc1000(b *testing.B)   { benchmarkZdscal(b, 1000, 1000) }
    41  func BenchmarkZdscalN10000Inc1000(b *testing.B)  { benchmarkZdscal(b, 10000, 1000) }
    42  func BenchmarkZdscalN100000Inc1000(b *testing.B) { benchmarkZdscal(b, 100000, 1000) }