source: doc/theses/andrew_beach_MMath/code/throw-empty.cfa @ f79ee0d

jacob/cs343-translation
Last change on this file since f79ee0d was f79ee0d, checked in by Peter A. Buhr <pabuhr@…>, 3 months ago

update exception benchmarks

  • Property mode set to 100644
File size: 865 bytes
Line 
1// Throw Across Empty Function
2#include <clock.hfa>
3#include <exception.hfa>
4#include <fstream.hfa>
5#include <stdlib.hfa>                                                                   // strto
6
7exception empty_exception;
8vtable(empty_exception) empty_vt;
9
10void unwind_empty(unsigned int frames) {
11        if (frames) {
12                unwind_empty(frames - 1);
13        } else {
14                throw (empty_exception){&empty_vt};
15        }
16}
17
18int main(int argc, char * argv[]) {
19        unsigned int times = 1;
20        unsigned int total_frames = 1;
21        if (1 < argc) {
22                times = strto(argv[1], 0p, 10);
23        }
24        if (2 < argc) {
25                total_frames = strto(argv[2], 0p, 10);
26        }
27
28        Time start_time = timeHiRes();
29        for (unsigned int count = 0 ; count < times ; ++count) {
30                try {
31                        unwind_empty(total_frames);
32                } catch (empty_exception *) {
33                        asm volatile ("# catch block");
34                }
35        }
36        Time end_time = timeHiRes();
37        sout | "Run-Time (s): " | wd(0,1, (end_time - start_time)`ns / 1_000_000_000.);
38}
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