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					35 lines
				
				613 B
			
		
		
			
		
	
	
					35 lines
				
				613 B
			| 
								 
											3 years ago
										 
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								/*
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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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