update benchmarks

benchmark/lib/ping/v3.js

@@ -0,0 +1,21 @@
+import { createClient } from 'redis-v3';
+import { once } from 'events';
+import { promisify } from 'util';
+
+export default async (host) => {
+    const client = createClient({ host }),
+        pingAsync = promisify(client.ping).bind(client),
+        quitAsync = promisify(client.quit).bind(client);
+
+    await once(client, 'connect');
+
+    return {
+        benchmark() {
+            return pingAsync();
+        },
+        teardown() {
+            return quitAsync();
+        }
+    };
+
+};