RFR(S): 6378256: Performance problem with System.identityHashCode in client compiler

Rahul Raghavan rahul.v.raghavan at oracle.com
Mon Dec 14 05:50:41 UTC 2015


> -----Original Message-----
> From: Roland Westrelin > Sent: Wednesday, December 09, 2015 8:03 PM > To: Rahul Raghavan > Cc: hotspot-compiler-dev at openjdk.java.net
> Subject: Re: RFR(S): 6378256: Performance problem with System.identityHashCode in client compiler
> 
> > webrev: http://cr.openjdk.java.net/~thartmann/6378256/webrev.00/ .
> 
> Justifying the comment lines 2019-2022 in sharedRuntime_sparc.cpp (lines 1743-1746 in sharedRuntime_x86_32.cpp) again would be
> nice.
> Shouldn’t we use this as an opportunity to add the same optimization to sharedRuntime_x86_64.cpp?

Thank you Roland for comments.
Yes, I will check adding the optimization for sharedRuntime_x86_64.

> 
> Roland.


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