Golang? ????? C?? ?? C? ?? ???? Golang?? ????. 1) Golang? Goroutine ? Channel? ?? ???? ???? ????, ?? ?? ?? ??? ???? ? ?????. 2) C? ???? ??? ? ?? ?????? ?? ????? ??? ???? ???? ??? ???? ??? ??????? ?????.

??

????? ???? Golang? C? ? ?? ????, ??? ?? ???? ??? ??? ?????. ?? ??? ?? ? ?? ???? ?? ???? ??? C? ?????. ? ??? ??? ? ??? ?? ??? ???? ???? ???? ??? ??? ??? ??? ??????. ????? ?? ? ?????, ??? ???? ??? ?? ? ????.

?? ?? ??

????? Go? ??? Golang? Google?? ?? ? ?? ????? ?????. ?? ???? ?? ?????? ????? ????. ??? ??? CSP (?? ??? ????)? ??????, Goroutine? ??? ???? ???? ??? ??? ?????. ??? C? ???? ??? ???? ??? ??? ??? ????? ?????. C? ?? ?????? ?? ?? ?????? ??? ? ?? ????? ?????.

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

?? ?? ?? ?? ??

??? ???

Golang? ??? ??? ????? ? ?????. Goroutine ? Channel? ???? ???? ?? ??? ?? ??? ? ????. Goroutine? ?? ? ????? ?? ??? ?? ?? ?? ????? Channel? Goroutine ?? ?? ????? ???? ???? ??? ??? ???? ??? ??? ?? ??? ????.

 ??? ??

?? (??)
    "FMT"
    "??"
))

func says (s string) {
    i : = 0; I <5; ? {
        Time.sleep (100 * time.millisecond)
        fmt.println (?)
    }
}

func main () {
    Go? ??? ( "World")
    ??? ( "?????")
}

? ??? ?? Goroutine? ???? ? ??? ??? ???? ??? ?????. Golang? ??? ??? ???? ??? ??? ?? ?? ??? ?? ? ?? ???? ?????.

C? ?? ??

C? ?? ????? ?? ???? ??? ??? ???? ?? ????? ?????. C ????? ??? ???? ?? ? ? ???? ??? ? ??? ?? ?? ??? ?? ? ? ????. C? ?? ?????? ??? ????? ????? ???? ???? ??? ?? ?? ??? ??? ??? ? ????.

 #include <iostream>
#include <vector>
#include <algorithm>

int main () {
    std :: vector <int> ?? = {3, 1, 4, 1, 5, 9, 2, 6, 5, 3};
    std :: sort (numbers.begin (), ??.end ());
    for (int num : ??) {
        std :: cout << num << "";
    }
    ?? 0;
}

? ?? ???? ?? ? ? C? ??? ?????? ?????. ?? ??????? std::sort ?? ??? ??? ?? ? ? ????.

??? ?

??? ?? ?

Golang? ?? ?????? ?? ??????. ??? ?? ??? ???? ?? Goroutine? Channel? ?????? ??? ?? ?? ?????.

 ??? ??

?? (??)
    "FMT"
    "net/http"
    "??"
))

var wg sync.waitgroup

func handler (w http.responsewriter, r *http.request) {
    fmt.fprintf (w, "hello, %s!", r.url.path [1 :])
    wg.done ()
}

func main () {
    http.handlefunc ( "/", ???)
    ?? : = & http.server {addr : ": 8080"}
    go func () {
        wg.add (1)
        Server.ListenAndServe ()
    } ()
    wg.wait ()
}

? ??? Goroutine? ???? HTTP ??? ???? sync.WaitGroup ?? ??? ?? ? ??? ???? ??? ?????.

c? ?? ?? ??? ?

C ?? ??? ?? ? ? ??? ??? ??? ???? ??? ???? ? ????. C? ???? ?? ?? ??? ???? ?? ?? ?????.

 #include <iostream>
#include <vector>

void matrixmultiply (const std :: vector <std :: vector <int >> & a, const std :: vector <std :: vector <int >> & b, std :: vector <std :: vector <int >> & result) {
    int n = a.size ();
    for (int i = 0; i <n; i) {
        for (int j = 0; j <n; j) {
            ?? [i] [J] = 0;
            for (int k = 0; k <n; k) {
                ?? [i] [j] = a [i] [k] * b [k] [j];
            }
        }
    }
}

int main () {
    int n = 3;
    std :: vector <std :: vector <int >> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
    std :: vector <std :: vector <int >> b = {{9, 8, 7}, {6, 5, 4}, {3, 2, 1}};
    std :: vector <std :: vector <int >> result (n, std :: vector <int> (n));

    Matrixmultiply (A, B, ??);

    for (int i = 0; i <n; i) {
        for (int j = 0; j <n; j) {
            std :: cout << ?? [i] [j] << "";
        }
        std :: cout << std :: endl;
    }

    ?? 0;
}

? ?? C? ???? ???? ?? ?? ????? ???? ??? ?????. ?? ??? ?? ? ?? ?? ??? ?? ??? ?? ??? ?? ???? ? ????.

???? ?? ? ??? ?

??? ???? ??? ???? ?? ? ?? ? ?? ?? ??? ?????. ?? ? ??? Goroutine? ???? ??? ?? ?? ??? ??? ?? ? ? ?????. Channel Deadlock? ??? ??? ???? ?? ???? ??? ????? ?? ??? ? ?????. ??? ??? ??? ?? ???? ? Goroutine? ??? ?? ??? ?? ?? ??? ???? ??????????.

C?? ???? ?? ???? ??? ?? ? ???? ??? ?????. ??? ??? ?? ?? ?? ? ???? ???? ???? ??? ????? ??? ???? ????? ????? ?? ?????. ???? ??? ?? ?? ?? ?? ?? ??? ? ??? ???? ??? ????? ????? ??? ?? ???. ??? ??? ??? ?? ???? ??? ???? ???? ???? ???? ??? ????? ???? ???? ??? ??????.

?? ??? ? ?? ??

Golang? ?? ???

Golang? ?? ???? ?? ?? ??? ???? ? ??? ??? ??? ???. Goroutine? ??? ????? ?????? ????? ??? ??? ?? ???? ? ????. ?? Golang? ??? ?? ????? ??? ??? ????. ???? ??? ?? ?? ??? ???? ????? ?? ???? ??? ? ? ????.

 ??? ??

?? (??)
    "FMT"
    "?? ??"
    "??"
))

func main () {
    runtime.gomaxprocs (4) // ?? ??? ?? ?? var wg sync.waitgroup
    i : = 0; I <1000; ? {
        wg.add (1)
        go func (i int) {
            WG.Done? ???? ()
            fmt.printf ( "Goroutine %d \ n", i)
        }(?)
    }
    wg.wait ()
}

? ??? GOMAXPROCS ???? Golang? ??? ??? ????? ??? ?????.

c? ?? ???

C? ?? ???? ? ???? ???? ???? ? ????? ?? ??? ? ??? ??????. ???? ??? ???? ?? ??, ?? ?? ?, SIMD ?? ?? ?????. ??? ??? ?? ???? C ????? ?? ??? ?? ???? ? ????.

 #include <iostream>
#include <vector>

void OptimizedMatrixMultiply (const std :: vector <std :: vector <int >> & a, const std :: vector <std :: vector <int >> & b, std :: vector <std :: vector <int >> & result) {
    int n = a.size ();
    for (int i = 0; i <n; i) {
        for (int j = 0; j <n; j) {
            int sum = 0;
            for (int k = 0; k <n; k) {
                sum = a [i] [k] * b [k] [j];
            }
            ?? [i] [J] = ?;
        }
    }
}

int main () {
    int n = 3;
    std :: vector <std :: vector <int >> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
    std :: vector <std :: vector <int >> b = {{9, 8, 7}, {6, 5, 4}, {3, 2, 1}};
    std :: vector <std :: vector <int >> result (n, std :: vector <int> (n));

    ??? ? mattrixmultiply (a, b, result);

    for (int i = 0; i <n; i) {
        for (int j = 0; j <n; j) {
            std :: cout << ?? [i] [j] << "";
        }
        std :: cout << std :: endl;
    }

    ?? 0;
}

? ??? ?? ?? ? ?? ???? ?? C? ?? ?? ????? ????? ??? ?????.

?? ??

Golang?? C??, ???? ?? ????? ?? ???? ??? ?????.

• ?? ??? : ??? ???? ?? ???? ?? ??? ?? ??? ??? ??? ???? ?????.
• ?? ? ?? : ??? ? ???? ?? ??? ?? ??? ?????.
• ?? ??? : ?? ???? ????? ???? ??? ??? ??? ????? ??????.
• ?? ? ?? : ??? ?? ? ??? ?? ???? ??? ?? ? ?? ??? ???? ? ??? ? ? ????.

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

?????

Golang? C? ???? ?? ???? ?? ? ??? ??? ????. ??? ??? ??? ???? ? ?? ????? ?? Golang? ?? ?? ??? ?? ???? ?? ????? ???? ? ?????. C? ??? ???? ?? ? ???? ?? C? ??? ???? ??? ??????? ???? ? ?????. ??? ??? ?? ?? ?? ? ???? ??? ?? ????. ? ?? ?? ? ??? ??? ? ? ???? ?? ???? ??? ????? ? ?????? ????.

? ??? Golang ? C : ??? ? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!