github.com/uber-go/tally/v4@v4.1.17/internal/identity/accumulator_benchmark_test.go (about)

     1  // Copyright (c) 2021 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 identity_test
    22  
    23  import (
    24  	"fmt"
    25  	"testing"
    26  
    27  	"github.com/uber-go/tally/v4/internal/identity"
    28  )
    29  
    30  func BenchmarkAccumulator_StringStringMap(b *testing.B) {
    31  	cases := []struct {
    32  		keys int
    33  	}{
    34  		{keys: 0},
    35  		{keys: 1},
    36  		{keys: 2},
    37  		{keys: 4},
    38  		{keys: 8},
    39  		{keys: 16},
    40  		{keys: 32},
    41  	}
    42  
    43  	bench := func(b *testing.B, m map[string]string) {
    44  		b.ReportAllocs()
    45  		b.ResetTimer()
    46  
    47  		for i := 0; i < b.N; i++ {
    48  			identity.StringStringMap(m)
    49  		}
    50  	}
    51  
    52  	for _, tt := range cases {
    53  		b.Run(fmt.Sprintf("%d keys", tt.keys), func(b *testing.B) {
    54  			m := make(map[string]string)
    55  			for i := 0; i < tt.keys; i++ {
    56  				s := fmt.Sprintf("abcdefghij%d", i)
    57  				m[s] = s
    58  			}
    59  
    60  			bench(b, m)
    61  		})
    62  	}
    63  }