9b734fc849
Change representation of sequence of all blocks for better scaling. Reviewed-by: coleenp, eosterlund
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_GC_SHARED_OOPSTORAGEPARSTATE_INLINE_HPP
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#define SHARE_GC_SHARED_OOPSTORAGEPARSTATE_INLINE_HPP
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#include "gc/shared/oopStorage.inline.hpp"
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#include "gc/shared/oopStorageParState.hpp"
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#include "metaprogramming/conditional.hpp"
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#include "utilities/macros.hpp"
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template<typename F>
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class OopStorage::BasicParState::AlwaysTrueFn {
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F _f;
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public:
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AlwaysTrueFn(F f) : _f(f) {}
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template<typename OopPtr> // [const] oop*
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bool operator()(OopPtr ptr) const { _f(ptr); return true; }
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};
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struct OopStorage::BasicParState::IterationData {
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size_t _segment_start;
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size_t _segment_end;
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size_t _processed;
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};
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template<bool is_const, typename F>
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inline void OopStorage::BasicParState::iterate(F f) {
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// Wrap f in ATF so we can use Block::iterate.
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AlwaysTrueFn<F> atf_f(f);
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IterationData data = {}; // zero initialize.
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while (claim_next_segment(&data)) {
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assert(data._segment_start < data._segment_end, "invariant");
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assert(data._segment_end <= _block_count, "invariant");
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typedef typename Conditional<is_const, const Block*, Block*>::type BlockPtr;
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size_t i = data._segment_start;
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do {
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BlockPtr block = _active_array->at(i);
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block->iterate(atf_f);
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} while (++i < data._segment_end);
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}
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}
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template<bool concurrent, bool is_const>
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template<typename F>
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inline void OopStorage::ParState<concurrent, is_const>::iterate(F f) {
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_basic_state.template iterate<is_const>(f);
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}
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template<bool concurrent, bool is_const>
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template<typename Closure>
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inline void OopStorage::ParState<concurrent, is_const>::oops_do(Closure* cl) {
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this->iterate(oop_fn(cl));
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}
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template<typename F>
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inline void OopStorage::ParState<false, false>::iterate(F f) {
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_basic_state.template iterate<false>(f);
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}
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template<typename Closure>
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inline void OopStorage::ParState<false, false>::oops_do(Closure* cl) {
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this->iterate(oop_fn(cl));
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}
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template<typename Closure>
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inline void OopStorage::ParState<false, false>::weak_oops_do(Closure* cl) {
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this->iterate(skip_null_fn(oop_fn(cl)));
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}
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template<typename IsAliveClosure, typename Closure>
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inline void OopStorage::ParState<false, false>::weak_oops_do(IsAliveClosure* is_alive, Closure* cl) {
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this->iterate(if_alive_fn(is_alive, oop_fn(cl)));
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}
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#endif // SHARE_GC_SHARED_OOPSTORAGEPARSTATE_INLINE_HPP
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