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