Right now J2DBench numbers are good for Grayscale with cache implementation but RenderPerf test numbers are not matching OpenGL numbers.
Refer : https://bugs.openjdk.java.net/browse/JDK-8237608
Refer : https://bugs.openjdk.java.net/browse/JDK-8237608
- relates to
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JDK-8234804 Verify usage of CHECK_PREVIOUS_OP and how it affects performance
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     - Closed
 
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JDK-8233311 Grayscale text rendering implementation with glyph cache
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     - Closed
 
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