RFR: 8287453: RenderPerfTest incorrectly measures performance

Tue May 31 10:10:33 UTC 2022

On Fri, 27 May 2022 18:58:12 GMT, Alexey Ushakov <avu at openjdk.org> wrote:

> Improved RenderPerfTest:
>   - removed RenderPerfLCD.java (we have LCD tests in RenderPerfTest.java)
>   - corrected and simplified test logic
>   - added timeout on low performant rendering
>   - used several markers to recover from missing frames
>   - protected measurements from multiple paint invocations

Is it only a test stabilization fix? or were you able to uncover any performance issue (either with OpenGL or with Metal pipeline) with this change? Can you please provide before/after numbers?

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PR: https://git.openjdk.java.net/jdk/pull/8928