HP-UX Programmer's Guide for Java 2

Table Of Contents
-XX:PrefetchScanIntervalInBytes=n
Prefetch n bytes ahead for scavenge scan area. The default is 0. The ideal value may
vary depending on the processor.
-XX:+PrefetchScavengeFieldsAhead=n
Prefetch the next n fields of objects during scavenge. The default is 0. The ideal value
may vary depending on the processor.
-XX:+PrefetchMarkSweep
Use prefetching during full garbage collections. The default is true.
-XX:SchedulerPriorityRange=SCHED
This option can be used to both select the scheduling policy and map the Java™ thread
priorities, 1 (low) through 10 (high), to the underlying HP-UX thread priorities:
SCHED* is one of the scheduling policies:
SCHED_FIFO
SCHED_RR
SCHED_RR2
SCHED_RTPRIO
SCHED_OTHER
SCHED_HPUX
SCHED_NOAGE (a subset of the range of priorities supported by CHED_TI MESHARE)
SCHED_TIMESHARE is not supported as an option, but is the same
as SCHED_HPUX and use of any such non-supported
SCHED* will result in using the default policy,
SCHED_HPUX.
base - the HP-UX minimum value for the set of priorities to be mapped
top - the HP-UX maximum value for the set of priorities to be mapped
The format can be:
-XX:SchedulerPriorityRange<scheduler>,<base>,<top>
or <scheduler>
or <scheduler>,<base>
or <scheduler>,,<top>
Normally, the underlying system interfaces allow you to obtain the max and
min priorities:
sched_get_priority_max()
sched_get_priority_min()
Standard and non-standard options 25