The specjvm2008::xml.transform workload have bottleneck with synchronized XMLReaderManager method. According to the JFR on the server with Xeon(R) 6972P CPUs for the jdk24-ea27 build the total blocking time for the 192vCPU ~8hours and for 384vCPU ~25 hours for monitor class com.sun.org.apache.xml.internal.utils.XMLReaderManager.
The blocked method is com.sun.org.apache.xml.internal.utils.XMLReaderManager.getXMLReader()
The spec run options were set to 60sec for warmup and 120sec for iteration times.