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Bug
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Resolution: Fixed
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P2
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1.4.2, 5.0
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02
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generic, x86
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windows_2000
Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
---|---|---|---|---|---|---|
JDK-2072536 | 5.0 | Scott Violet | P2 | Resolved | Fixed | tiger |
We have a customer application which when invoked with 1.4.2 show high
CPU utilization. The utilization range upto 80% at times and has an average
of 38%.
Some basic profiling made with Optimizeit shows Java 2D method like
sun.java2d.pipe.DrawImage.blitSurfaceData consuming high CPU (37.9%).
The problem was reproduced in-house with the following configuration:
Pentium 4 2.8 GHz
1 GB RAM
Windows 2000 SP2
Matrox G200 Adapter
3 Display Monitors
The steps to download, configure and run the test case is provided in the comments section.
CPU utilization. The utilization range upto 80% at times and has an average
of 38%.
Some basic profiling made with Optimizeit shows Java 2D method like
sun.java2d.pipe.DrawImage.blitSurfaceData consuming high CPU (37.9%).
The problem was reproduced in-house with the following configuration:
Pentium 4 2.8 GHz
1 GB RAM
Windows 2000 SP2
Matrox G200 Adapter
3 Display Monitors
The steps to download, configure and run the test case is provided in the comments section.
- backported by
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JDK-2072536 High CPU utilization with Matrox graphic adapters and Multiple Display
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- Resolved
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- duplicates
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JDK-4899321 issue Swing back buffer issue has performance impact
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- Closed
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- relates to
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JDK-6231735 bad JFrame paint performance on Windows secondary screen
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- Closed
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