Files
tidb/pkg/util/set/mem_aware_map_test.go

81 lines
1.6 KiB
Go

// Copyright 2022 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package set
import (
"strconv"
"testing"
)
var result int
var inputs = []struct {
input int
}{
{input: 1},
{input: 100},
{input: 10000},
{input: 1000000},
}
func memAwareIntMap(size int) int {
var x int
m := NewMemAwareMap[int, int]()
for j := 0; j < size; j++ {
m.Set(j, j)
}
for j := 0; j < size; j++ {
x, _ = m.Get(j)
}
return x
}
func nativeIntMap(size int) int {
var x int
m := make(map[int]int)
for j := 0; j < size; j++ {
m[j] = j
}
for j := 0; j < size; j++ {
x = m[j]
}
return x
}
func BenchmarkMemAwareIntMap(b *testing.B) {
for _, s := range inputs {
b.Run("MemAwareIntMap_"+strconv.Itoa(s.input), func(b *testing.B) {
var x int
for i := 0; i < b.N; i++ {
x = memAwareIntMap(s.input)
}
result = x
})
}
}
func BenchmarkNativeIntMap(b *testing.B) {
for _, s := range inputs {
b.Run("NativeIntMap_"+strconv.Itoa(s.input), func(b *testing.B) {
var x int
for i := 0; i < b.N; i++ {
x = nativeIntMap(s.input)
}
result = x
})
}
}