Why is Android Studio 1.5 slow?

Question

android studio

Updated from version 1.2 and version 1.5 became terribly slow. Moreover, the processor is almost not loaded, there is a lot of free memory, the SSD disk.
What could be wrong with these symptoms? Maybe the settings are reset somewhere?

Answer 1

helped

#---------------------------------------------------------------- --------------------
# Removing this property may lead to editor performance degradation under Windows.
#---------------------------------------------------------------- --------------------
sun.java2d.d3d=false