RFR: 8241837: Cleanup stringStream usage in ObjectSynchronizer

David Holmes david.holmes at oracle.com
Mon Mar 30 23:55:10 UTC 2020


Hi Claes,

On 31/03/2020 9:02 am, Claes Redestad wrote:
> Hi,
> 
> this removes one unused stringStream, and refactors two other
> so that they're only defined in the slow path error where they are used:
> 
> http://cr.openjdk.java.net/~redestad/8241837/open.00/

Looks good.

Does make me wonder where the ResourceMarks are that should be needed to 
use the stringStream ??

Thanks,
David

> While a very small startup performance gain (removes ~50k instructions
> on a Hello World), these stringStreams mallocs on init, which could be
> problematic at times in this particular area.
> 
> Thanks!
> 
> /Claes


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