ADTast-experimentalpthread-emulation
Last change
on this file since 67a1c67 was
f79ee0d,
checked in by Peter A. Buhr <pabuhr@…>, 3 years ago
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update exception benchmarks
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-
Property mode set to
100644
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File size:
994 bytes
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Line | |
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1 | // Throw Across Destructor |
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2 | #include <clock.hfa> |
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3 | #include <exception.hfa> |
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4 | #include <fstream.hfa> |
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5 | #include <stdlib.hfa> // strto |
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6 | |
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7 | exception empty_exception; |
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8 | vtable(empty_exception) empty_vt; |
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9 | |
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10 | struct WithDestructor {}; |
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11 | |
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12 | void ^?{}(WithDestructor & this) { |
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13 | asm volatile ("# destructor body"); |
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14 | } |
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15 | |
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16 | void unwind_destructor(unsigned int frames) { |
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17 | if (frames) { |
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18 | WithDestructor object; |
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19 | unwind_destructor(frames - 1); |
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20 | } else { |
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21 | throw (empty_exception){&empty_vt}; |
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22 | } |
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23 | } |
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24 | |
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25 | int main(int argc, char * argv[]) { |
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26 | unsigned int times = 1; |
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27 | unsigned int total_frames = 1; |
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28 | if (1 < argc) { |
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29 | times = strto(argv[1], 0p, 10); |
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30 | } |
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31 | if (2 < argc) { |
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32 | total_frames = strto(argv[2], 0p, 10); |
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33 | } |
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34 | |
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35 | Time start_time = timeHiRes(); |
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36 | for (int count = 0 ; count < times ; ++count) { |
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37 | try { |
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38 | unwind_destructor(total_frames); |
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39 | } catch (empty_exception *) { |
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40 | asm volatile ("# catch block"); |
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41 | } |
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42 | } |
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43 | Time end_time = timeHiRes(); |
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44 | sout | "Run-Time (s): " | wd(0,1, (end_time - start_time)`ns / 1_000_000_000.); |
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45 | } |
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