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6984287: Regularize how GC parallel workers are specified

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Associate number of GC workers with the workgang as opposed to the task.

Reviewed-by: johnc, ysr
This commit is contained in:
Jon Masamitsu 2010-09-20 14:38:38 -07:00
parent 3af63c10ab
commit 28e56b8970
29 changed files with 504 additions and 216 deletions
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7
hotspot/src/share/vm/utilities/taskqueue.cpp
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@ -144,6 +144,7 @@ void ParallelTaskTerminator::sleep(uint millis) {
bool
ParallelTaskTerminator::offer_termination(TerminatorTerminator* terminator) {
assert(_n_threads > 0, "Initialization is incorrect");
assert(_offered_termination < _n_threads, "Invariant");
Atomic::inc(&_offered_termination);
@ -255,3 +256,9 @@ bool ObjArrayTask::is_valid() const {
_index < objArrayOop(_obj)->length();
}
#endif // ASSERT
void ParallelTaskTerminator::reset_for_reuse(int n_threads) {
reset_for_reuse();
_n_threads = n_threads;
}