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diff --git a/node_modules/node-uuid/benchmark/benchmark.js b/node_modules/node-uuid/benchmark/benchmark.js
new file mode 100644
index 000000000..40e6efbe7
--- /dev/null
+++ b/node_modules/node-uuid/benchmark/benchmark.js
@@ -0,0 +1,84 @@
+try {
+  var nodeuuid = require('../uuid');
+} catch (e) {
+  console.error('node-uuid require failed - skipping tests');
+}
+
+try {
+  var uuid = require('uuid');
+} catch (e) {
+  console.error('uuid require failed - skipping tests');
+}
+
+try {
+  var uuidjs = require('uuid-js');
+} catch (e) {
+  console.error('uuid-js require failed - skipping tests');
+}
+
+var N = 5e5;
+
+function rate(msg, t) {
+  console.log(msg + ': ' +
+    (N / (Date.now() - t) * 1e3 | 0) +
+    ' uuids/second');
+}
+
+console.log('# v4');
+
+// node-uuid - string form
+if (nodeuuid) {
+  for (var i = 0, t = Date.now(); i < N; i++) nodeuuid.v4();
+  rate('nodeuuid.v4() - using node.js crypto RNG', t);
+
+  for (var i = 0, t = Date.now(); i < N; i++) nodeuuid.v4({rng: nodeuuid.mathRNG});
+  rate('nodeuuid.v4() - using Math.random() RNG', t);
+
+  for (var i = 0, t = Date.now(); i < N; i++) nodeuuid.v4('binary');
+  rate('nodeuuid.v4(\'binary\')', t);
+
+  var buffer = new nodeuuid.BufferClass(16);
+  for (var i = 0, t = Date.now(); i < N; i++) nodeuuid.v4('binary', buffer);
+  rate('nodeuuid.v4(\'binary\', buffer)', t);
+}
+
+// libuuid - string form
+if (uuid) {
+  for (var i = 0, t = Date.now(); i < N; i++) uuid();
+  rate('uuid()', t);
+
+  for (var i = 0, t = Date.now(); i < N; i++) uuid('binary');
+  rate('uuid(\'binary\')', t);
+}
+
+// uuid-js - string form
+if (uuidjs) {
+  for (var i = 0, t = Date.now(); i < N; i++) uuidjs.create(4);
+  rate('uuidjs.create(4)', t);
+}
+
+// 140byte.es
+for (var i = 0, t = Date.now(); i < N; i++) 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,function(s,r){r=Math.random()*16|0;return (s=='x'?r:r&0x3|0x8).toString(16)});
+rate('140byte.es_v4', t);
+
+console.log('');
+console.log('# v1');
+
+// node-uuid - v1 string form
+if (nodeuuid) {
+  for (var i = 0, t = Date.now(); i < N; i++) nodeuuid.v1();
+  rate('nodeuuid.v1()', t);
+
+  for (var i = 0, t = Date.now(); i < N; i++) nodeuuid.v1('binary');
+  rate('nodeuuid.v1(\'binary\')', t);
+
+  var buffer = new nodeuuid.BufferClass(16);
+  for (var i = 0, t = Date.now(); i < N; i++) nodeuuid.v1('binary', buffer);
+  rate('nodeuuid.v1(\'binary\', buffer)', t);
+}
+
+// uuid-js - v1 string form
+if (uuidjs) {
+  for (var i = 0, t = Date.now(); i < N; i++) uuidjs.create(1);
+  rate('uuidjs.create(1)', t);
+}