Ng-repeat performance issue on accordian pane menu on low end mobiles

ng-repeat performance issue on accordian pane menu on low end mobiles… changing ng-repeat to collection repeat not working …menu items are not expanding …getting js stack overflow issue

ionic.bundle.js:19526 RangeError: Maximum call stack size exceeded
at String.replace (native)
at render (http://localhost:8100/lib/ionic/js/ionic.bundle.js:49871:12)
at child.RepeatController.scrollView.__callback [as __$callback] (http://localhost:8100/lib/ionic/js/ionic.bundle.js:49721:9)

  {{group.name}}
        {{item.title}}
      </ion-item>
    </div>