FULL PRODUCT VERSION :
java 1.8.0_40-b25

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
As of build 40 for java 8 our programs display speed has dropped dramatically. We find that the time to paint an image or a string went from negligible to 4 or 5 milliseconds. Total time to paint graphics and strings on screen went from about 100 milliseconds to over 1 second.


REGRESSION. Last worked in version 8u31


REPRODUCIBILITY :
This bug can be reproduced always.

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Unfortunately, despite various attempts we have been unable to reproduce this problem in a small amount of code.

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CUSTOMER SUBMITTED WORKAROUND :
Interestingly we found that avoiding double buffering avoids the problem. It comes at the cost of the display flickering, of course.


SUPPORT :
YES