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std::chrono::steady_clock::now

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< cpp‎ | chrono‎ | steady clock

(seit C++11)
Gibt einen Zeitpunkt repräsentiert mit dem aktuellen Zeitpunkt .
Original:
Returns a time point representing with the current point in time.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

(None)
Original:
(none)
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[Bearbeiten] Rückgabewert

Ein Zeitpunkt, der die aktuelle Zeit .
Original:
A time point representing the current time.
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Beispiel

#include <iostream>
#include <vector>
#include <chrono>
 
int main()
{
    for (unsigned long long size = 1; size < 10000000; size *= 10) {
        auto start = std::chrono::steady_clock::now();
        std::vector<int> v(size, 42);
        auto end = std::chrono::steady_clock::now();
 
        auto elapsed = end - start;
        std::cout << size << ": " << elapsed.count() << '\n';
    }
}

Possible output:

1: 1
10: 2
100: 3
1000: 6
10000: 47
100000: 507
1000000: 4822