109 lines
2.5 KiB
Go
109 lines
2.5 KiB
Go
// Copyright 2021 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package set
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import (
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"fmt"
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"strconv"
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"testing"
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)
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func BenchmarkFloat64SetMemoryUsage(b *testing.B) {
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b.ReportAllocs()
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type testCase struct {
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rowNum int
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}
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cases := []testCase{
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{rowNum: 0},
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{rowNum: 100},
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{rowNum: 10000},
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{rowNum: 1000000},
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{rowNum: 851968}, // 6.5 * (1 << 17)
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{rowNum: 851969}, // 6.5 * (1 << 17) + 1
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{rowNum: 425984}, // 6.5 * (1 << 16),
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{rowNum: 425985}, // 6.5 * (1 << 16) + 1
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}
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for _, c := range cases {
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b.Run(fmt.Sprintf("MapRows %v", c.rowNum), func(b *testing.B) {
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b.ReportAllocs()
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for range b.N {
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float64Set, _ := NewFloat64SetWithMemoryUsage()
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for num := range c.rowNum {
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float64Set.Insert(float64(num))
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}
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}
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})
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}
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}
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func BenchmarkInt64SetMemoryUsage(b *testing.B) {
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b.ReportAllocs()
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type testCase struct {
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rowNum int
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}
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cases := []testCase{
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{rowNum: 0},
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{rowNum: 100},
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{rowNum: 10000},
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{rowNum: 1000000},
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{rowNum: 851968}, // 6.5 * (1 << 17)
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{rowNum: 851969}, // 6.5 * (1 << 17) + 1
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{rowNum: 425984}, // 6.5 * (1 << 16)
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{rowNum: 425985}, // 6.5 * (1 << 16) + 1
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}
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for _, c := range cases {
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b.Run(fmt.Sprintf("MapRows %v", c.rowNum), func(b *testing.B) {
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b.ReportAllocs()
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for range b.N {
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int64Set, _ := NewInt64SetWithMemoryUsage()
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for num := range c.rowNum {
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int64Set.Insert(int64(num))
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}
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}
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})
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}
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}
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func BenchmarkStringSetMemoryUsage(b *testing.B) {
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b.ReportAllocs()
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type testCase struct {
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rowNum int
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}
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cases := []testCase{
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{rowNum: 0},
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{rowNum: 100},
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{rowNum: 10000},
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{rowNum: 1000000},
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{rowNum: 851968}, // 6.5 * (1 << 17)
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{rowNum: 851969}, // 6.5 * (1 << 17) + 1
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{rowNum: 425984}, // 6.5 * (1 << 16)
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{rowNum: 425985}, // 6.5 * (1 << 16) + 1
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}
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for _, c := range cases {
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b.Run(fmt.Sprintf("MapRows %v", c.rowNum), func(b *testing.B) {
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b.ReportAllocs()
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for range b.N {
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stringSet, _ := NewStringSetWithMemoryUsage()
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for num := range c.rowNum {
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stringSet.Insert(strconv.Itoa(num))
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}
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}
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})
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}
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}
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