Back of somewhat slower (use back off factor of 1.5 instead of 2)

Author: willemstuursma

classes/util/Loop.php

@@ -78,7 +78,7 @@ public function execute(callable $code)
                 break;
             }
 
-            $min    = $minWait * 2 ** $i;
+            $min    = (int) $minWait * 1.5 ** $i;
             $max    = $min * 2;
 
             /*

tests/mutex/PredisMutexTest.php

@@ -54,7 +54,8 @@ private function getPredisConfig()
         return array_map(
             function ($redisUri) {
                 return str_replace("redis://", "tcp://", $redisUri);
-            }, $servers
+            },
+            $servers
         );
     }