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Time something real.

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Howard Hinnant
2016-07-30 23:15:02 -04:00
parent 151d050391
commit 4e3a40a6dd
1 changed files with 6 additions and 2 deletions
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8
chrono_io.html
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@@ -107,12 +107,15 @@ a library such as this.
#include "chrono_io.h" #include "chrono_io.h"
#include <iostream> #include <iostream>
void f();
int int
main() main()
{ {
using namespace date; using namespace date;
using namespace std::chrono; using namespace std::chrono;
auto t0 = steady_clock::now(); auto t0 = steady_clock::now();
f();
auto t1 = steady_clock::now(); auto t1 = steady_clock::now();
std::cout << t1 - t0 << '\n'; std::cout << t1 - t0 << '\n';
} }
@@ -126,7 +129,7 @@ for example:
</p> </p>
<blockquote><pre> <blockquote><pre>
104ns 682580ns
</pre></blockquote> </pre></blockquote>
<p> <p>
@@ -136,12 +139,13 @@ different units on your platform), and the output automatically changes units fo
<blockquote><pre> <blockquote><pre>
auto t0 = system_clock::now(); auto t0 = system_clock::now();
f();
auto t1 = system_clock::now(); auto t1 = system_clock::now();
std::cout &lt;&lt; t1 - t0 &lt;&lt; '\n'; std::cout &lt;&lt; t1 - t0 &lt;&lt; '\n';
</pre></blockquote> </pre></blockquote>
<blockquote><pre> <blockquote><pre>
0&micro;s 682&micro;s
</pre></blockquote> </pre></blockquote>
<p> <p>