review(XXS): 7132945: Tiered: adjust OSR threshold of level 3

Igor Veresov igor.veresov at oracle.com
Tue Jan 24 16:44:01 PST 2012


Thank you, Tom!


igor


On Tuesday, January 24, 2012 at 3:03 PM, Tom Rodriguez wrote:

> Looks good.
> 
> tom
> 
> On Jan 24, 2012, at 12:42 PM, Igor Veresov wrote:
> 
> > I'd like to adjust one of the thresholds for tiered. Roland and I noticed that setting the value of Tier3BackEdgeThreshold to 60000 instead of 7000 yield far superior startup performance on machines with one CPU. There is no significant change for machines with many cores. 
> > 
> > Webrev: http://cr.openjdk.java.net/~iveresov/7132945/webrev.00/
> > 
> > igor 




More information about the hotspot-compiler-dev mailing list