github.com/m3db/m3@v1.5.0/src/query/util/memset_test.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package util
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  )
    28  
    29  func setValues(values []float64, initialValue float64) {
    30  	for i := 0; i < len(values); i++ {
    31  		values[i] = initialValue
    32  	}
    33  }
    34  func BenchmarkMemsetZeroValues(b *testing.B) {
    35  	values := make([]float64, 10000)
    36  	for i := 0; i < b.N; i++ {
    37  		Memset(values, 0)
    38  	}
    39  }
    40  
    41  func BenchmarkLoopZeroValues(b *testing.B) {
    42  	values := make([]float64, 10000)
    43  	for i := 0; i < b.N; i++ {
    44  		setValues(values, 0)
    45  	}
    46  }
    47  
    48  func BenchmarkMemsetNonZeroValues(b *testing.B) {
    49  	values := make([]float64, 10000)
    50  	for i := 0; i < b.N; i++ {
    51  		Memset(values, 1)
    52  	}
    53  
    54  }
    55  
    56  func BenchmarkLoopNonZeroValues(b *testing.B) {
    57  	values := make([]float64, 10000)
    58  	for i := 0; i < b.N; i++ {
    59  		setValues(values, 1)
    60  	}
    61  }
    62  
    63  func TestMemsetIntValues(t *testing.T) {
    64  	values := make([]int, 10000)
    65  	MemsetInt(values, 8)
    66  	for _, v := range values {
    67  		assert.Equal(t, 8, v)
    68  	}
    69  }
    70  
    71  func setIntValues(values []int, initialValue int) {
    72  	for i := 0; i < len(values); i++ {
    73  		values[i] = initialValue
    74  	}
    75  }
    76  
    77  func BenchmarkMemsetIntZeroValues(b *testing.B) {
    78  	values := make([]int, 10000)
    79  	for i := 0; i < b.N; i++ {
    80  		MemsetInt(values, 0)
    81  	}
    82  }
    83  
    84  func BenchmarkLoopIntZeroValues(b *testing.B) {
    85  	values := make([]int, 10000)
    86  	for i := 0; i < b.N; i++ {
    87  		setIntValues(values, 0)
    88  	}
    89  }
    90  
    91  func BenchmarkMemsetIntNonZeroValues(b *testing.B) {
    92  	values := make([]int, 10000)
    93  	for i := 0; i < b.N; i++ {
    94  		MemsetInt(values, 1)
    95  	}
    96  }
    97  
    98  func BenchmarkLoopIntNonZeroValues(b *testing.B) {
    99  	values := make([]int, 10000)
   100  	for i := 0; i < b.N; i++ {
   101  		setIntValues(values, 1)
   102  	}
   103  }