Version 1

[yaffs-website] / node_modules / node-uuid / benchmark / benchmark-native.c

diff --git a/node_modules/node-uuid/benchmark/benchmark-native.c b/node_modules/node-uuid/benchmark/benchmark-native.c
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+++ b/node_modules/node-uuid/benchmark/benchmark-native.c
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+/*
+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;
+}