RFR(s) 8170153: PPC64: Poor StrictMath performance due to non-optimized compilation

Gustavo Romero gromero at linux.vnet.ibm.com
Mon Nov 28 13:24:40 UTC 2016

Hi Volker,

Sorry for not replying earlier, it was day-off on Friday here...

On 25-11-2016 11:32, Volker Simonis wrote:
> Hi Gustavo,
> we've realized that we have exactly the same problem on Linux/s390 so
> I hope you don't mind that I've updated the bug and the webrev to also
> include the fix for Linux/s390:
> http://cr.openjdk.java.net/~simonis/webrevs/2016/8170153.top/
> http://cr.openjdk.java.net/~simonis/webrevs/2016/8170153.jdk/
> https://bugs.openjdk.java.net/browse/JDK-8170153
> The top-level change stays the same (I've only added the current
> reviewers) and for the jdk change I've just added Linux/s390 as
> another platform which can compile fdlibm with HIGH optimization.

Actually, it's really cool to know that an analysis on PPC64 contributed
also to the s390 arch! :)

Thanks for providing the updated webrevs.


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