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7 | #include <stdio.h>
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8 | #include <unistd.h>
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9 | #include <sys/time.h>
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10 | #include <uuid/uuid.h>
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11 |
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12 | int main() {
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13 | uuid_t myid;
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14 | char buf[36+1];
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15 | int i;
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16 | struct timeval t;
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17 | double start, finish;
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18 |
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19 | gettimeofday(&t, NULL);
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20 | start = t.tv_sec + t.tv_usec/1e6;
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21 |
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22 | int n = 2e5;
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23 | for (i = 0; i < n; i++) {
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24 | uuid_generate(myid);
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25 | uuid_unparse(myid, buf);
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26 | }
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27 |
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28 | gettimeofday(&t, NULL);
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29 | finish = t.tv_sec + t.tv_usec/1e6;
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30 | double dur = finish - start;
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31 |
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32 | printf("%d uuids/sec", (int)(n/dur));
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33 | return 0;
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34 | }
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