# cacheAsBitmap question

**URL:** https://forum.kirupa.com/t/cacheasbitmap-question/315911
**Category:** flash
**Created:** [November 7, 2010, 5:35pm UTC](https://forum.kirupa.com/t/cacheasbitmap-question/315911 "2010-11-07T17:35:24Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![tbo](https://avatars.discourse-cdn.com/v4/letter/t/7feea3/32.png) [@tbo](https://forum.kirupa.com/u/tbo)
#### Post date: [November 7, 2010, 5:35pm UTC](https://forum.kirupa.com/t/cacheasbitmap-question/315911/1 "2010-11-07T17:35:24Z")

</div>

i guess im dong this wrong…

i create movieclips up front. cache them as bitmap.

when i add and remove them from the display list, there is a slight stutter/pause. If i don’t cache them as bitmap, there is no stutter when adding/removing child . So my assumption is that its re-caching them each time they are re-added.

how do i keep them cached so i can remove them from the display list, but keep it in memory for later?

I will add i am doing this on a phone with air/android, i dont think that makes a difference, but my cpu is to powerful to see the stutter.

i tried cacheAsBitmap and cacheAsBitmapMatrix and both