Mercurial > hg > truffle
view src/share/vm/gc_implementation/g1/heapRegionBounds.hpp @ 21791:cd36556e1b78
Remove conditional makefile-based compilation of jvmci from mx_graal.py
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Mon, 08 Jun 2015 14:25:25 +0200 |
parents | 5248357b7113 |
children |
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/* * Copyright (c) 2014, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONBOUNDS_HPP #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONBOUNDS_HPP class HeapRegionBounds : public AllStatic { private: // Minimum region size; we won't go lower than that. // We might want to decrease this in the future, to deal with small // heaps a bit more efficiently. static const size_t MIN_REGION_SIZE = 1024 * 1024; // Maximum region size; we don't go higher than that. There's a good // reason for having an upper bound. We don't want regions to get too // large, otherwise cleanup's effectiveness would decrease as there // will be fewer opportunities to find totally empty regions after // marking. static const size_t MAX_REGION_SIZE = 32 * 1024 * 1024; // The automatic region size calculation will try to have around this // many regions in the heap (based on the min heap size). static const size_t TARGET_REGION_NUMBER = 2048; public: static inline size_t min_size(); static inline size_t max_size(); static inline size_t target_number(); }; #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONBOUNDS_HPP