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6725697: par compact - rename class ChunkData to RegionData

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Reviewed-by: iveresov, tonyp
This commit is contained in:
John Coomes 2008-09-30 12:20:22 -07:00
parent 2e52e9dff2
commit f2851186bb
9 changed files with 1049 additions and 1040 deletions
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41
hotspot/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp
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@ -146,7 +146,7 @@ void RefProcTaskExecutor::execute(ProcessTask& task)
{
ParallelScavengeHeap* heap = PSParallelCompact::gc_heap();
uint parallel_gc_threads = heap->gc_task_manager()->workers();
ChunkTaskQueueSet* qset = ParCompactionManager::chunk_array();
RegionTaskQueueSet* qset = ParCompactionManager::region_array();
ParallelTaskTerminator terminator(parallel_gc_threads, qset);
GCTaskQueue* q = GCTaskQueue::create();
for(uint i=0; i<parallel_gc_threads; i++) {
@ -205,38 +205,38 @@ void StealMarkingTask::do_it(GCTaskManager* manager, uint which) {
}
//
// StealChunkCompactionTask
// StealRegionCompactionTask
//
StealChunkCompactionTask::StealChunkCompactionTask(ParallelTaskTerminator* t) :
_terminator(t) {};
StealRegionCompactionTask::StealRegionCompactionTask(ParallelTaskTerminator* t):
_terminator(t) {}
void StealChunkCompactionTask::do_it(GCTaskManager* manager, uint which) {
void StealRegionCompactionTask::do_it(GCTaskManager* manager, uint which) {
assert(Universe::heap()->is_gc_active(), "called outside gc");
NOT_PRODUCT(TraceTime tm("StealChunkCompactionTask",
NOT_PRODUCT(TraceTime tm("StealRegionCompactionTask",
PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));
ParCompactionManager* cm =
ParCompactionManager::gc_thread_compaction_manager(which);
// Has to drain stacks first because there may be chunks on
// Has to drain stacks first because there may be regions on
// preloaded onto the stack and this thread may never have
// done a draining task. Are the draining tasks needed?
cm->drain_chunk_stacks();
cm->drain_region_stacks();
size_t chunk_index = 0;
size_t region_index = 0;
int random_seed = 17;
// If we're the termination task, try 10 rounds of stealing before
// setting the termination flag
while(true) {
if (ParCompactionManager::steal(which, &random_seed, chunk_index)) {
PSParallelCompact::fill_and_update_chunk(cm, chunk_index);
cm->drain_chunk_stacks();
if (ParCompactionManager::steal(which, &random_seed, region_index)) {
PSParallelCompact::fill_and_update_region(cm, region_index);
cm->drain_region_stacks();
} else {
if (terminator()->offer_termination()) {
break;
@ -249,11 +249,10 @@ void StealChunkCompactionTask::do_it(GCTaskManager* manager, uint which) {
UpdateDensePrefixTask::UpdateDensePrefixTask(
PSParallelCompact::SpaceId space_id,
size_t chunk_index_start,
size_t chunk_index_end) :
_space_id(space_id), _chunk_index_start(chunk_index_start),
_chunk_index_end(chunk_index_end)
{}
size_t region_index_start,
size_t region_index_end) :
_space_id(space_id), _region_index_start(region_index_start),
_region_index_end(region_index_end) {}
void UpdateDensePrefixTask::do_it(GCTaskManager* manager, uint which) {
@ -265,8 +264,8 @@ void UpdateDensePrefixTask::do_it(GCTaskManager* manager, uint which) {
PSParallelCompact::update_and_deadwood_in_dense_prefix(cm,
_space_id,
_chunk_index_start,
_chunk_index_end);
_region_index_start,
_region_index_end);
}
void DrainStacksCompactionTask::do_it(GCTaskManager* manager, uint which) {
@ -278,6 +277,6 @@ void DrainStacksCompactionTask::do_it(GCTaskManager* manager, uint which) {
ParCompactionManager* cm =
ParCompactionManager::gc_thread_compaction_manager(which);
// Process any chunks already in the compaction managers stacks.
cm->drain_chunk_stacks();
// Process any regions already in the compaction managers stacks.
cm->drain_region_stacks();
}