David Dabbs dmdabbs at gmail.com
Thu May 5 15:54:28 PDT 2011


I just read the RFE details
for the newly-added hotspot flag, -XX:+UseCondCardMarks.

Is this relevant only for large MP machines such as the 
"4-socket system where each socket contains a Niagara T2+ UltraSPARC
processor having 64 logical processors"
referenced in the writeup? The switch is marked product() and not
experimental, so I'll give it a 
try on some workloads. Just wondering if there's some benchmark or test case
that is known to perform 
better (on MP hardware) with the flag enabled.

Many thanks,


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