source: doc/theses/andrew_beach_MMath/code/try-catch.cpp

Last change on this file was f79ee0d, checked in by Peter A. Buhr <pabuhr@…>, 3 years ago

update exception benchmarks

  • Property mode set to 100644
File size: 946 bytes
RevLine 
[ea593a3]1// Cross a Try Statement with a Termination Handler
[ee23a8d]2#include <chrono>
[ea593a3]3#include <cstdlib>
[ee23a8d]4#include <exception>
5#include <iostream>
[f79ee0d]6#include <iomanip>
[ee23a8d]7
[f79ee0d]8using namespace std;
[ee23a8d]9using namespace std::chrono;
[ea593a3]10
11struct NotRaisedException : public std::exception {};
12
13int main(int argc, char * argv[]) {
14        unsigned int times = 1;
[866cad3]15        volatile bool should_throw = false;
[ee23a8d]16        if (1 < argc) {
[ea593a3]17                times = strtol(argv[1], nullptr, 10);
18        }
19
[ee23a8d]20        time_point<steady_clock> start_time = steady_clock::now();
[ea593a3]21        for (unsigned int count = 0 ; count < times ; ++count) {
22                try {
[866cad3]23                        asm volatile ("# try block");
[54651005]24                        if (should_throw) {
25                                throw NotRaisedException();
26                        }
[ea593a3]27                } catch (NotRaisedException &) {
[54651005]28                        asm volatile ("# catch block");
[ea593a3]29                }
30        }
[ee23a8d]31        time_point<steady_clock> end_time = steady_clock::now();
32        nanoseconds duration = duration_cast<nanoseconds>(end_time - start_time);
[f79ee0d]33        cout << "Run-Time (s): " << fixed << setprecision(1) << duration.count() / 1'000'000'000. << endl;
[ea593a3]34}
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