?? Go ????? ??????? ??? ???? ????? ? ? ? ?? ?? ??? ?????. ?? ?? ??? ????? ???? ??? ??? ??? ? ????? ?? ??? ?????? ???? ? ?? ??? ?????. ? ????? Golang ??????? ??? ?? ???? ?? ? ??? ???? ???????.

Go? ??? ??? ???? ????? ???????. ??? ???? ???? ??? ?? ? ?? ??? ???? ?????. ??? ??? ???? ??? ????? ??? ???? ?? ??? ???? ?? ?????.

Go ??? ???? ?? 3? ?? ? ?? ????? ?????. ?? ??????? ??? ?????. ?, ?? ?? ?? ????? ?? ???? ????. ? ??? ?? ?? ??? ?? ??? ??? ????? ??? ?? ?? ????.

??? ???? ?????? ??? ????? ???. ?? ???? ???? ?? ? ??? ???? ??? ??? ???? ????. ?? ??, ????? ???? ?? ?? ??? ????? ???? ??? ??? ?? ??? ? ????.

// Inefficient
data := make([]int, 0)
for i := 0; i < 1000; i++ {
    data = append(data, i)
}

// Efficient
data := make([]int, 1000)
for i := 0; i < 1000; i++ {
    data[i] = i
}

??? ??? ? ?? ??? ??? sync.Pool???. ?? ?? ??? ???? ? ?? ??? ???? ??? ?? ?? ? ????. ??? sync.Pool? ???? ??? ????.

var bufferPool = sync.Pool{
    New: func() interface{} {
        return new(bytes.Buffer)
    },
}

func processData(data []byte) {
    buffer := bufferPool.Get().(*bytes.Buffer)
    defer bufferPool.Put(buffer)
    buffer.Reset()
    // Use the buffer
}

??? ???? ?? ? ???? ??? ??? ??? ???? ?? ??? ???? ? ??? ?? ? ????. ? ???? ?? ???? ?????, ?? ??? ???? ?? ??? ?? ? ? ????. ?? ??? ???? ?? ?? ??? ?????.

type LargeStruct struct {
    // Many fields
}

// Value receiver (creates a copy)
func (s LargeStruct) ValueMethod() {}

// Pointer receiver (more efficient)
func (s *LargeStruct) PointerMethod() {}

??? ??? ??? ??? ??? ??? ? ? ????. ???? ??? ? ???? fmt.Sprintf ?? strings.Builder? ???? ?? ? ??????.

var builder strings.Builder
for i := 0; i < 1000; i++ {
    builder.WriteString("Hello")
}
result := builder.String()

??? ????? ??? ??? ???? ? ?? ? ?? ?????. ??? ???? ??? ?? ??? ?? []???? ???? ?? ? ???? ??? ????.

data := []byte("Hello, World!")
// Work with data as []byte

??? ?? ??? ???? ?? Go? ??? ??? ????? ??? ??? ? ????. pprof ???? ???? ??? ???? ???? ???? ?? ??? ??? ? ????.

import _ "net/http/pprof"

func main() {
    go func() {
        log.Println(http.ListenAndServe("localhost:6060", nil))
    }()
    // Rest of your application
}

?? ?? go tool pprof ??? ???? ??? ???? ??? ? ????.

?? ???? ??? ?? ??? ?? ??? ???? ??? ??? ???? ? ????. ?? ??, ?? ??? ?? ???? ??? ?? ??? ?? ??? ? ????.

// Inefficient
data := make([]int, 0)
for i := 0; i < 1000; i++ {
    data = append(data, i)
}

// Efficient
data := make([]int, 1000)
for i := 0; i < 1000; i++ {
    data[i] = i
}

??? ???? ?? ???? ?? ? ??? ??? ? ? ????. ???? ???? ??? ???? ????? ???? ????? ?? ?????.

var bufferPool = sync.Pool{
    New: func() interface{} {
        return new(bytes.Buffer)
    },
}

func processData(data []byte) {
    buffer := bufferPool.Get().(*bytes.Buffer)
    defer bufferPool.Put(buffer)
    buffer.Reset()
    // Use the buffer
}

?? ?? ???? ??? ? ???? ?? ??? ???? ??? ???? ??? ??? ? ????. ??? ??? ????(?? ?? ?? ??) ????? ? ???? ????.

type LargeStruct struct {
    // Many fields
}

// Value receiver (creates a copy)
func (s LargeStruct) ValueMethod() {}

// Pointer receiver (more efficient)
func (s *LargeStruct) PointerMethod() {}

??? Go? ??? ????? ???? ???? ??? ??? ????? ??? ? ?? ????. ??? ???? ? ??? ??? ???? ?? ?? ?? ?? ?? ??? ???? ?? ?????.

var builder strings.Builder
for i := 0; i < 1000; i++ {
    builder.WriteString("Hello")
}
result := builder.String()

? ?? ??? ???? ????? ?? ??? ??? ????. ?? ?? ? ?? ?? ???? ?? ?? nil ?? ???? ?? ????.

data := []byte("Hello, World!")
// Work with data as []byte

??? ??? ??? ??? ?? ???? ?? ?? ?? ??? ???? ???? ????? ???? ?? ??? ???. ?? ?? ??? ???? ??? ? ??? ? ? ????.

import _ "net/http/pprof"

func main() {
    go func() {
        log.Println(http.ListenAndServe("localhost:6060", nil))
    }()
    // Rest of your application
}

??? ???? ??? ? ?? ??? ??? ??? ??? ??? ? ?? ???? ?? ?? ??? ???? ????.

type MemoryPool struct {
    pool sync.Pool
    size int
}

func NewMemoryPool(size int) *MemoryPool {
    return &MemoryPool{
        pool: sync.Pool{
            New: func() interface{} {
                return make([]byte, size)
            },
        },
        size: size,
    }
}

func (p *MemoryPool) Get() []byte {
    return p.pool.Get().([]byte)
}

func (p *MemoryPool) Put(b []byte) {
    p.pool.Put(b)
}

JSON ???? ??? ? ??? ?? MarshalJSON ? UnmarshalJSON ???? ???? ?? ??? ???? ??? ??? ??? ? ??? ? ? ????.

// Potentially causes fragmentation
data := make([]int, 0)
for i := 0; i < 1000; i++ {
    data = append(data, i)
}

// Reduces fragmentation
data := make([]int, 0, 1000)
for i := 0; i < 1000; i++ {
    data = append(data, i)
}

?? ???? unsafe.Pointer? ???? ??? ?? ???? ??? ???? ??? ? ????. ??? ?? Go? ?? ???? ????? ?? ???? ???? ???.

// Slice (allocated on the heap)
data := make([]int, 5)

// Array (allocated on the stack)
var data [5]int

?? ?? ???? ??? ? time.Time? ???? ?? ???? ?? ??? ???? ??? ? ????. ?? ???? int64 ??? ??? ?? ??? ???? ?? ??? ???? ? ????.

// No size hint
m := make(map[string]int)

// With size hint (more efficient)
m := make(map[string]int, 1000)

?? ?? ?? ??? ???? ?? ??????? ?? ??? ?? ???? ??? ?? ???? ??? ???? ???? ???? ????.

var m map[string]int
// Use m later only if needed
if needMap {
    m = make(map[string]int)
}

?? ?? ?? ???? ??? ?? go:embed? ???? ????? ???? ???? ?? ??? ???. ??? ?? ??? ??? ??? ???? ?? ??? ??? ? ????.

func processLargeFile(filename string) error {
    file, err := os.Open(filename)
    if err != nil {
        return err
    }
    defer file.Close()

    scanner := bufio.NewScanner(file)
    for scanner.Scan() {
        // Process each line
        processLine(scanner.Text())
    }

    return scanner.Err()
}

????? ??????? ????? ?????? ??????? ??? ??? ??? ???? ?? ?????. Go? ????? ?? ??? ???? ?????? ?? pprof ???? ???? ?? ?? ??? ??? ?????.

import "github.com/willf/bitset"

// Instead of
flags := make([]bool, 1000000)

// Use
flags := bitset.New(1000000)

????? Golang ???????? ??? ??? ?????? ??? ??? ??? ?? ?? ??? ??? ?? ? ????? ?? ??? ??? ?????. ??? ??? ???? ??? ????? ???? ? ????? ?? ??? ??? ???? ??? ???? ?? ????? ??? ??? Go ??????? ?? ? ????.

??? ???? ?? ??? ????? ?? ??? ???? ? ??? ?? ?????. ?? ???? ???? Go ??? ???? ?????? ??? ?? ??????. ??? ??? ?? ???? ??? ???? Go ??? ???? ?? ??? ???? ? ????.

---

??? ???

?? ???? ? ??? ???.

???? ??? | ????? | ??? ??? | ????? ???? | ???? | ??? ??? | JS ??

---

??? ??? ????

?? ??? ???? | Epochs & Echoes World | ??????? | ???? ???? ?? | ??? ??? ?? | ?? ????

? ??? Go ??? ??? ???: ???? ??????? ?? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!