Time a function: Difference between revisions
Rename Perl 6 -> Raku, alphabetize, minor clean-up
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0;
}</lang>
=={{header|ARM Assembly}}==
{{works with|as|Raspberry Pi}}
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return 0;
}</lang>
=={{header|C++}}==▼
<lang cpp>#include <ctime>▼
#include <iostream>▼
using namespace std;▼
int identity(int x) { return x; }▼
int sum(int num) {▼
for (int i = 0; i < 1000000; i++)▼
num += i;▼
return num;▼
}▼
double time_it(int (*action)(int), int arg) {▼
clock_t start_time = clock();▼
action(arg);▼
clock_t finis_time = clock();▼
return ((double) (finis_time - start_time)) / CLOCKS_PER_SEC;▼
}▼
int main() {▼
cout << "Identity(4) takes " << time_it(identity, 4) << " seconds." << endl;▼
cout << "Sum(4) takes " << time_it(sum, 4) << " seconds." << endl;▼
return 0;▼
}</lang>▼
===Example===▼
Identity(4) takes 0 seconds.▼
Sum(4) takes 0.01 seconds.▼
=={{header|C sharp|C#}}==
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Output:
DoSomething() took 1071,5408ms
▲=={{header|C++}}==
▲<lang cpp>#include <ctime>
▲#include <iostream>
▲using namespace std;
▲int identity(int x) { return x; }
▲int sum(int num) {
▲ for (int i = 0; i < 1000000; i++)
▲ num += i;
▲ return num;
▲}
▲double time_it(int (*action)(int), int arg) {
▲ clock_t start_time = clock();
▲ action(arg);
▲ clock_t finis_time = clock();
▲ return ((double) (finis_time - start_time)) / CLOCKS_PER_SEC;
▲}
▲int main() {
▲ cout << "Identity(4) takes " << time_it(identity, 4) << " seconds." << endl;
▲ cout << "Sum(4) takes " << time_it(sum, 4) << " seconds." << endl;
▲ return 0;
▲}</lang>
▲===Example===
▲ Identity(4) takes 0 seconds.
▲ Sum(4) takes 0.01 seconds.
=={{header|Clojure}}==
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println(`Counting to $count takes ${(finish-start)//1000000}ms`)
}</lang>
=={{header|Elena}}==
{{trans|C#}}
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23,24,25,26,27|...]}
</lang>
=={{header|Euphoria}}==
<lang euphoria>atom t
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# outputs "Sum(4) takes 0.280000 seconds."</lang>
=={{header|Perl 6}}==▼
Follows modern trend toward measuring wall-clock time, since CPU time is becoming rather ill-defined in the age of multicore, and doesn't reflect IO overhead in any case.▼
<lang perl6>my $start = now;▼
(^100000).pick(1000);▼
say now - $start;</lang>▼
{{out}}▼
<pre>0.02301709</pre>▼
=={{header|Phix}}==
Measures wall-clock time. On Windows the resolution is about 15ms. The elapsed function makes things more human-readable, eg 720 (seconds) => 12 minutes
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0.820712 Seconds
</pre>
=={{header|PureBasic}}==
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(time (fact 5000))
</lang>
(formerly Perl 6)
▲Follows modern trend toward measuring wall-clock time, since CPU time is becoming rather ill-defined in the age of multicore, and doesn't reflect IO overhead in any case.
▲<lang perl6>my $start = now;
▲(^100000).pick(1000);
▲say now - $start;</lang>
▲{{out}}
▲<pre>0.02301709</pre>
=={{header|Raven}}==
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. timer_test 1000
1: 1.01 / 1 = 1.0140</lang>
=={{header|Swift}}==
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End Sub</lang>{{out}}<pre>1000 times Identity(1) takes 0 seconds
1000 times Sum(1) takes 296 seconds</pre>
=={{header|Wart}}==
<lang python>time 1+1
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