Is there anyone is able to execute iOS safari test using Appium 1.5.* same speed as it used with Appium version 1.4.*

I am facing slowness for iOS safari test using Appium 1.5.* , it is working perfactly fine with Appium version 1.4.* so wondering only i am facing this issue ,is there anyone not having this problem ,if so please provide sample code or any work around you would think