Last change
on this file since 82e5670 was f79ee0d, checked in by Peter A. Buhr <pabuhr@…>, 4 years ago |
update exception benchmarks
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Property mode
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100644
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File size:
1.1 KB
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1 | // Conditional Match (or Re-Raise)
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2 | #include <chrono>
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3 | #include <cstdlib>
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4 | #include <exception>
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5 | #include <iostream>
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6 | #include <iomanip>
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7 |
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8 | using namespace std;
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9 | using namespace std::chrono;
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10 |
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11 | struct EmptyException : public std::exception {};
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12 |
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13 | bool should_catch = false;
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14 |
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15 | int main(int argc, char * argv[]) {
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16 | unsigned int times = 1;
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17 | if (1 < argc) {
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18 | times = strtol(argv[1], nullptr, 10);
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19 | }
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20 | if (2 < argc) {
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21 | should_catch = strtol(argv[2], nullptr, 10);
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22 | }
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23 |
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24 | time_point<steady_clock> start_time = steady_clock::now();
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25 | for (unsigned int count = 0 ; count < times ; ++count) {
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26 | try {
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27 | try {
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28 | throw EmptyException();
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29 | } catch (EmptyException & exc) {
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30 | if (!should_catch) {
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31 | throw;
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32 | }
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33 | asm volatile ("# catch block (conditional)");
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34 | }
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35 | } catch (EmptyException &) {
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36 | asm volatile ("# catch block (unconditional)");
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37 | }
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38 | }
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39 | time_point<steady_clock> end_time = steady_clock::now();
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40 | nanoseconds duration = duration_cast<nanoseconds>(end_time - start_time);
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41 | cout << "Run-Time (s): " << fixed << setprecision(1) << duration.count() / 1'000'000'000. << endl;
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42 | }
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