TanTan
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35 lines
613 B
Plaintext
35 lines
613 B
Plaintext
/*
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Test performance of native C UUID generation
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To Compile: cc -luuid benchmark-native.c -o benchmark-native
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <uuid/uuid.h>
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int main() {
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uuid_t myid;
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char buf[36+1];
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int i;
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struct timeval t;
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double start, finish;
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gettimeofday(&t, NULL);
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start = t.tv_sec + t.tv_usec/1e6;
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int n = 2e5;
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for (i = 0; i < n; i++) {
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uuid_generate(myid);
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uuid_unparse(myid, buf);
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}
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gettimeofday(&t, NULL);
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finish = t.tv_sec + t.tv_usec/1e6;
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double dur = finish - start;
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printf("%d uuids/sec", (int)(n/dur));
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return 0;
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}
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