the GPU adjusts its size to match the <code>transform.matrix</code> property of the display object:</p>
<pre><code class="prettyprint haxe">var matrix:Matrix = new Matrix(); // creates an identity matrix
matrix.scale(0.5, 0.5); // scales the matrix
mySprite.cacheAsBitmapMatrix = matrix;
mySprite.cacheAsBitmap = true;</code></pre>
<p>Generally, you should choose to use a matrix that transforms the display object to the size that it will
appear in the application. For example, if your application displays the