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

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) 2000, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2008, 2009, 2010 Red Hat, Inc.

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

     5  *

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

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

     8  * published by the Free Software Foundation.

     9  *

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

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

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

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

    14  * accompanied this code).

    15  *

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

    17  * 2 along with this work; if not, write to the Free Software Foundation,

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

    19  *

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

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  *

    24  */

    26 #ifndef SHARE_VM_SHARK_SHARK_GLOBALS_HPP

    27 #define SHARE_VM_SHARK_SHARK_GLOBALS_HPP

    29 #include "runtime/globals.hpp"

    30 #ifdef TARGET_ARCH_zero

    31 # include "shark_globals_zero.hpp"

    32 #endif

    34 #define SHARK_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \

    35                                                                               \

    36   product(intx, MaxNodeLimit, 65000,                                          \

    37           "Maximum number of nodes")                                          \

    38                                                                               \

    39   /* inlining */                                                              \

    40   product(intx, SharkMaxInlineSize, 32,                                       \

    41           "Maximum bytecode size of methods to inline when using Shark")      \

    42                                                                               \

    43   product(bool, EliminateNestedLocks, true,                                   \

    44           "Eliminate nested locks of the same object when possible")          \

    45                                                                               \

    46   product(ccstr, SharkOptimizationLevel, "Default",                           \

    47           "The optimization level passed to LLVM, possible values: None, Less, Default and Agressive") \

    48                                                                               \

    49   /* compiler debugging */                                                    \

    50   develop(ccstr, SharkPrintTypeflowOf, NULL,                                  \

    51           "Print the typeflow of the specified method")                       \

    52                                                                               \

    53   diagnostic(ccstr, SharkPrintBitcodeOf, NULL,                                \

    54           "Print the LLVM bitcode of the specified method")                   \

    55                                                                               \

    56   diagnostic(ccstr, SharkPrintAsmOf, NULL,                                    \

    57           "Print the asm of the specified method")                            \

    58                                                                               \

    59   develop(bool, SharkTraceBytecodes, false,                                   \

    60           "Trace bytecode compilation")                                       \

    61                                                                               \

    62   diagnostic(bool, SharkTraceInstalls, false,                                 \

    63           "Trace method installation")                                        \

    64                                                                               \

    65   diagnostic(bool, SharkPerformanceWarnings, false,                           \

    66           "Warn about things that could be made faster")                      \

    67                                                                               \

    68   develop(ccstr, SharkVerifyFunction, NULL,                                   \

    69           "Runs LLVM verify over LLVM IR")                                    \

    72 SHARK_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)

    74 #endif // SHARE_VM_SHARK_SHARK_GLOBALS_HPP

src/share/vm/shark/shark_globals.hpp@01522ca68fc7

src/share/vm/shark/shark_globals.hpp

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

src/share/vm/shark/shark_globals.hpp@01522ca68fc7

src/share/vm/shark/shark_globals.hpp