feat(common): 添加无锁并发工具包依赖
新增 lockfree-1.1.3 工具包到 go.work 文件中，为项目提供无锁并发数据结构支持， 提升高并发场景下的性能表现。
This commit is contained in:
338
common/utils/lockfree-1.1.3/padding_test.go
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338
common/utils/lockfree-1.1.3/padding_test.go
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package lockfree
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import (
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"runtime"
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"sync"
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"testing"
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)
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type foo struct {
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x, y, z int64
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}
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type foo64Start struct {
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_ [64]byte
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x, y, z int64
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}
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type foo64StartEnd struct {
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_ [64]byte
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x, y, z int64
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_ [64]byte
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}
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type foo128Start struct {
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_ [128]byte
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x, y, z int64
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}
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type foo128StartEnd struct {
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_ [128]byte
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x, y, z int64
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_ [128]byte
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}
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type foo64StartEndAligned struct {
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_ [64]byte
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x, y, z int64
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_ [64 - 24]byte
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}
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type foo128StartEndAligned struct {
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_ [128]byte
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x, y, z int64
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_ [128 - 24]byte
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}
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const iter = (1 << 16)
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func BenchmarkFalseSharing(b *testing.B) {
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var wg sync.WaitGroup
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b.Run("NoPad", func(b *testing.B) {
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arr := make([]foo, runtime.GOMAXPROCS(0))
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arr {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[i].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run("Pad64Start", func(b *testing.B) {
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arr := make([]foo64Start, runtime.GOMAXPROCS(0))
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arr {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[i].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run("Pad64StartEnd", func(b *testing.B) {
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arr := make([]foo64StartEnd, runtime.GOMAXPROCS(0))
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arr {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[i].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run("Pad128Start", func(b *testing.B) {
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arr := make([]foo128Start, runtime.GOMAXPROCS(0))
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arr {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[i].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run("Pad128StartEnd", func(b *testing.B) {
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arr := make([]foo128StartEnd, runtime.GOMAXPROCS(0))
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arr {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[i].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run("Pad64StartEndAligned", func(b *testing.B) {
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arr := make([]foo64StartEndAligned, runtime.GOMAXPROCS(0))
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arr {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[i].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run("Pad128StartEndAligned", func(b *testing.B) {
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arr := make([]foo128StartEndAligned, runtime.GOMAXPROCS(0))
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arr {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[i].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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}
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func BenchmarkTrueSharing(b *testing.B) {
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var wg sync.WaitGroup
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b.Run("<64", func(b *testing.B) {
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arr := make([]foo, runtime.GOMAXPROCS(0)*iter)
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arrChan {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[(i*iter)+j].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run(">64", func(b *testing.B) {
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arr := make([]foo64Start, runtime.GOMAXPROCS(0)*iter)
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arrChan {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[(i*iter)+j].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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b.Run(">128", func(b *testing.B) {
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arr := make([]foo128Start, runtime.GOMAXPROCS(0)*iter)
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arrChan := make([]chan struct{}, runtime.GOMAXPROCS(0))
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for i := range arrChan {
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arrChan[i] = make(chan struct{})
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}
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for i := range arrChan {
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go func(i int) {
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for range arrChan[i] {
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for j := 0; j < iter; j++ {
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arr[(i*iter)+j].x++
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}
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wg.Done()
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}
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}(i)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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wg.Add(runtime.GOMAXPROCS(0))
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for j := range arrChan {
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arrChan[j] <- struct{}{}
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}
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wg.Wait()
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}
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b.StopTimer()
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for i := range arrChan {
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close(arrChan[i])
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}
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})
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}
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Block a user