
Setting preferences 841
Performance preference Description
Memory Usage Changes the percentage of RAM memory
used by Corel Painter, which is set to 80%
by default. You can dedicate as much as
100% of the memory to Corel Painter. The
lowest percentage you can choose is 5%.
Painter Memory Extender (Mac only) Allows Corel Painter to detect and use your
Mac system’s additional memory to improve
speed and performance. To enable the Mac
Memory Extender, your system must have
more than 4 GB of available RAM and you
must also allocate more than 4 GB of the
available memory to Corel Painter (by
adjusting the Memory Usage slider).
Multicore Usage Allows you to specify the number of cores
that you want Corel Painter to use. If you
use all of the computer’s available cores, it
may impact the performance of any
applications that you have running in the
background.
Scratch Drive Allows you to specify the volume name
(Mac OS) or drive (Windows) that has free
memory to allow Corel Painter to perform
an operation if your computer runs out of
RAM.
Undo Levels Allows you to undo and redo up to 256
levels of changes.
The number of Undo levels applies across all
open documents. For example, if you set 5
undo levels and have two open documents,
undoing three operations on the first
document leaves you with only two undo
operations on the second document.
In addition, setting multiple undo levels uses
a significant amount of disk space. If you
perform multiple operations on the entire
image, the whole image must be saved for
each undo.
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