jdk8-mips64-public/hotspot: src/share/vm/c1/c1

8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti

     1 /*

     2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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    25 #ifndef SHARE_VM_C1_C1_OPTIMIZER_HPP

    26 #define SHARE_VM_C1_C1_OPTIMIZER_HPP

    28 #include "c1/c1_IR.hpp"

    29 #include "c1/c1_Instruction.hpp"

    30 #include "memory/allocation.hpp"

    32 class Optimizer VALUE_OBJ_CLASS_SPEC {

    33  private:

    34   IR* _ir;

    36  public:

    37   Optimizer(IR* ir);

    38   IR* ir() const                                 { return _ir; }

    40   // optimizations

    41   void eliminate_conditional_expressions();

    42   void eliminate_blocks();

    43   void eliminate_null_checks();

    44 };

    46 #endif // SHARE_VM_C1_C1_OPTIMIZER_HPP

src/share/vm/c1/c1_Optimizer.hpp@01522ca68fc7

src/share/vm/c1/c1_Optimizer.hpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/c1/c1_Optimizer.hpp@01522ca68fc7

src/share/vm/c1/c1_Optimizer.hpp