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https://github.com/duanhf2012/origin.git
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增大内存池分布
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@@ -10,38 +10,37 @@ type INetMempool interface {
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}
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type memAreaPool struct {
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minAreaValue int //最小范围值
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maxAreaValue int //最大范围值
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growthValue int //内存增长值
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pool []sync.Pool
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minAreaValue int //最小范围值
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maxAreaValue int //最大范围值
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growthValue int //内存增长值
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pool []sync.Pool
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}
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//小于2048时,按64步长增长.>2048时则按2048长度增长
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var memAreaPoolList = [2]*memAreaPool{&memAreaPool{minAreaValue:1,maxAreaValue: 2048,growthValue:64}, &memAreaPool{minAreaValue: 2049,maxAreaValue:65536,growthValue:2048}}
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var memAreaPoolList = [3]*memAreaPool{&memAreaPool{minAreaValue: 1, maxAreaValue: 4096, growthValue: 512}, &memAreaPool{minAreaValue: 4097, maxAreaValue: 40960, growthValue: 4096}, &memAreaPool{minAreaValue: 40961, maxAreaValue: 417792, growthValue: 16384}}
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func init(){
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for i:=0;i<len(memAreaPoolList);i++{
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func init() {
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for i := 0; i < len(memAreaPoolList); i++ {
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memAreaPoolList[i].makePool()
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}
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}
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func NewMemAreaPool() *memAreaPool{
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func NewMemAreaPool() *memAreaPool {
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return &memAreaPool{}
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}
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func (areaPool *memAreaPool) makePool(){
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poolLen := (areaPool.maxAreaValue - areaPool.minAreaValue+1)/areaPool.growthValue
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areaPool.pool = make([]sync.Pool,poolLen)
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for i:=0;i<poolLen;i++{
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memSize := (areaPool.minAreaValue-1)+(i+1)*areaPool.growthValue
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areaPool.pool[i] = sync.Pool{New: func() interface{}{
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func (areaPool *memAreaPool) makePool() {
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poolLen := (areaPool.maxAreaValue - areaPool.minAreaValue + 1) / areaPool.growthValue
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areaPool.pool = make([]sync.Pool, poolLen)
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for i := 0; i < poolLen; i++ {
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memSize := (areaPool.minAreaValue - 1) + (i+1)*areaPool.growthValue
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areaPool.pool[i] = sync.Pool{New: func() interface{} {
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//fmt.Println("make memsize:",memSize)
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return make([]byte,memSize)
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return make([]byte, memSize)
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}}
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}
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}
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func (areaPool *memAreaPool) makeByteSlice(size int) []byte{
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func (areaPool *memAreaPool) makeByteSlice(size int) []byte {
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pos := areaPool.getPosByteSize(size)
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if pos > len(areaPool.pool) || pos == -1 {
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return nil
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@@ -50,8 +49,8 @@ func (areaPool *memAreaPool) makeByteSlice(size int) []byte{
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return areaPool.pool[pos].Get().([]byte)[:size]
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}
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func (areaPool *memAreaPool) getPosByteSize(size int) int{
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pos := (size - areaPool.minAreaValue)/areaPool.growthValue
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func (areaPool *memAreaPool) getPosByteSize(size int) int {
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pos := (size - areaPool.minAreaValue) / areaPool.growthValue
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if pos >= len(areaPool.pool) {
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return -1
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}
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@@ -59,9 +58,9 @@ func (areaPool *memAreaPool) getPosByteSize(size int) int{
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return pos
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}
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func (areaPool *memAreaPool) releaseByteSlice(byteBuff []byte) bool{
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func (areaPool *memAreaPool) releaseByteSlice(byteBuff []byte) bool {
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pos := areaPool.getPosByteSize(cap(byteBuff))
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if pos > len(areaPool.pool) || pos == -1{
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if pos > len(areaPool.pool) || pos == -1 {
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panic("assert!")
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return false
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}
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@@ -70,18 +69,18 @@ func (areaPool *memAreaPool) releaseByteSlice(byteBuff []byte) bool{
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return true
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}
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func (areaPool *memAreaPool) MakeByteSlice(size int) []byte{
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for i:=0;i<len(memAreaPoolList);i++{
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func (areaPool *memAreaPool) MakeByteSlice(size int) []byte {
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for i := 0; i < len(memAreaPoolList); i++ {
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if size <= memAreaPoolList[i].maxAreaValue {
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return memAreaPoolList[i].makeByteSlice(size)
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}
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}
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return nil
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return make([]byte, size)
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}
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func (areaPool *memAreaPool) ReleaseByteSlice(byteBuff []byte) bool {
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for i:=0;i<len(memAreaPoolList);i++{
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for i := 0; i < len(memAreaPoolList); i++ {
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if cap(byteBuff) <= memAreaPoolList[i].maxAreaValue {
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return memAreaPoolList[i].releaseByteSlice(byteBuff)
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}
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