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8224665: Parallel GC: Use WorkGang (7: remove task manager)

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Reviewed-by: stefank, kbarrett, tschatzl
This commit is contained in:
Leo Korinth 2019-08-16 09:18:38 +02:00
parent fd1966fa3a
commit 1447c5c0e3
18 changed files with 13 additions and 2112 deletions
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11
src/hotspot/share/gc/parallel/psCompactionManager.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -24,7 +24,6 @@
#include "precompiled.hpp"
#include "classfile/systemDictionary.hpp"
#include "gc/parallel/gcTaskManager.hpp"
#include "gc/parallel/objectStartArray.hpp"
#include "gc/parallel/parMarkBitMap.inline.hpp"
#include "gc/parallel/parallelScavengeHeap.hpp"
@ -68,12 +67,12 @@ ParCompactionManager::ParCompactionManager() :
}
void ParCompactionManager::initialize(ParMarkBitMap* mbm) {
assert(PSParallelCompact::gc_task_manager() != NULL,
assert(ParallelScavengeHeap::heap() != NULL,
"Needed for initialization");
_mark_bitmap = mbm;
uint parallel_gc_threads = PSParallelCompact::gc_task_manager()->workers();
uint parallel_gc_threads = ParallelScavengeHeap::heap()->workers().total_workers();
assert(_manager_array == NULL, "Attempt to initialize twice");
_manager_array = NEW_C_HEAP_ARRAY(ParCompactionManager*, parallel_gc_threads+1, mtGC);
@ -100,12 +99,12 @@ void ParCompactionManager::initialize(ParMarkBitMap* mbm) {
_manager_array[parallel_gc_threads] = new ParCompactionManager();
guarantee(_manager_array[parallel_gc_threads] != NULL,
"Could not create ParCompactionManager");
assert(PSParallelCompact::gc_task_manager()->workers() != 0,
assert(ParallelScavengeHeap::heap()->workers().total_workers() != 0,
"Not initialized?");
}
void ParCompactionManager::reset_all_bitmap_query_caches() {
uint parallel_gc_threads = PSParallelCompact::gc_task_manager()->workers();
uint parallel_gc_threads = ParallelScavengeHeap::heap()->workers().total_workers();
for (uint i=0; i<=parallel_gc_threads; i++) {
_manager_array[i]->reset_bitmap_query_cache();
}