Mercurial Mercurial > jdk-sandbox / annotate
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
src/hotspot/share/gc/parallel/heterogeneousGenerationSizer.hpp
author sangheki
Fri, 21 Dec 2018 08:23:55 -0800
changeset 53117 37930c6ba6d7
child 53244 9807daeb47c4
permissions -rw-r--r--
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC 8202286: Allocation of old generation of Java heap on alternate memory devices Summary: Enable an experimental feature in HotSpot JVM to allocate old generation of Parallel GC on an alternative memory device, such as NV-DIMMs. Reviewed-by: sangheki, sjohanss Contributed-by: kishor.kharbas@intel.com
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
53117
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     1
 
/*
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     2
 
 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     3
 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     4
 
 *
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     5
 
 * This code is free software; you can redistribute it and/or modify it
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     6
 
 * under the terms of the GNU General Public License version 2 only, as
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     7
 
 * published by the Free Software Foundation.
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     8
 
 *
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
     9
 
 * This code is distributed in the hope that it will be useful, but WITHOUT
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    10
 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    11
 
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    12
 
 * version 2 for more details (a copy is included in the LICENSE file that
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    13
 
 * accompanied this code).
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    14
 
 *
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    15
 
 * You should have received a copy of the GNU General Public License version
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    16
 
 * 2 along with this work; if not, write to the Free Software Foundation,
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    17
 
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    18
 
 *
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    19
 
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    20
 
 * or visit www.oracle.com if you need additional information or have any
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    21
 
 * questions.
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    22
 
 *
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    23
 
 */
37930c6ba6d7 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC
sangheki
parents:
diff changeset 
    24
 












37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    25


#ifndef SHARE_VM_GC_PARALLEL_HETEROGENEOUSGENERATIONSIZER_HPP













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    26


#define SHARE_VM_GC_PARALLEL_HETEROGENEOUSGENERATIONSIZER_HPP













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    27














37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    28


#include "gc/parallel/generationSizer.hpp"













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    29














37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    30


// There is a nice batch of tested generation sizing code in













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    31


// GenCollectorPolicy. Lets reuse it!













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    32














37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    33


class HeterogeneousGenerationSizer : public GenerationSizer {













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    34


private:













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    35


  // Max fraction of dram to use for young generation when MaxRAMFraction and













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    36


  // MaxRAMPercentage are not specified on commandline.













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    37


  static const double MaxRamFractionForYoung;













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    38














37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    39


protected:













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    40


  virtual void initialize_flags();













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    41














37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    42


public:













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    43


  virtual size_t heap_reserved_size_bytes() const;













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    44


  virtual bool is_hetero_heap() const;













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    45


};













37930c6ba6d7
8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC



sangheki


parents: 

diff
changeset




    46


#endif // SHARE_VM_GC_PARALLEL_HETEROGENEOUSGENERATIONSIZER_HPP















jdk-sandbox