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src/share/vm/gc/parallel/adjoiningGenerations.cpp

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  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
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/parallel/adjoiningGenerations.hpp"
  27 #include "gc/parallel/adjoiningVirtualSpaces.hpp"
  28 #include "gc/parallel/generationSizer.hpp"
  29 #include "gc/parallel/parallelScavengeHeap.hpp"
  30 #include "logging/log.hpp"
  31 #include "memory/resourceArea.hpp"

  32 #include "utilities/ostream.hpp"
  33 
  34 // If boundary moving is being used, create the young gen and old
  35 // gen with ASPSYoungGen and ASPSOldGen, respectively.  Revert to
  36 // the old behavior otherwise (with PSYoungGen and PSOldGen).
  37 
  38 AdjoiningGenerations::AdjoiningGenerations(ReservedSpace old_young_rs,
  39                                            GenerationSizer* policy,
  40                                            size_t alignment) :
  41   _virtual_spaces(old_young_rs, policy->min_old_size(),
  42                   policy->min_young_size(), alignment) {
  43   size_t init_low_byte_size = policy->initial_old_size();
  44   size_t min_low_byte_size = policy->min_old_size();
  45   size_t max_low_byte_size = policy->max_old_size();
  46   size_t init_high_byte_size = policy->initial_young_size();
  47   size_t min_high_byte_size = policy->min_young_size();
  48   size_t max_high_byte_size = policy->max_young_size();
  49 
  50   assert(min_low_byte_size <= init_low_byte_size &&
  51          init_low_byte_size <= max_low_byte_size, "Parameter check");




  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
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/parallel/adjoiningGenerations.hpp"
  27 #include "gc/parallel/adjoiningVirtualSpaces.hpp"
  28 #include "gc/parallel/generationSizer.hpp"
  29 #include "gc/parallel/parallelScavengeHeap.hpp"
  30 #include "logging/log.hpp"
  31 #include "memory/resourceArea.hpp"
  32 #include "utilities/align.hpp"
  33 #include "utilities/ostream.hpp"
  34 
  35 // If boundary moving is being used, create the young gen and old
  36 // gen with ASPSYoungGen and ASPSOldGen, respectively.  Revert to
  37 // the old behavior otherwise (with PSYoungGen and PSOldGen).
  38 
  39 AdjoiningGenerations::AdjoiningGenerations(ReservedSpace old_young_rs,
  40                                            GenerationSizer* policy,
  41                                            size_t alignment) :
  42   _virtual_spaces(old_young_rs, policy->min_old_size(),
  43                   policy->min_young_size(), alignment) {
  44   size_t init_low_byte_size = policy->initial_old_size();
  45   size_t min_low_byte_size = policy->min_old_size();
  46   size_t max_low_byte_size = policy->max_old_size();
  47   size_t init_high_byte_size = policy->initial_young_size();
  48   size_t min_high_byte_size = policy->min_young_size();
  49   size_t max_high_byte_size = policy->max_young_size();
  50 
  51   assert(min_low_byte_size <= init_low_byte_size &&
  52          init_low_byte_size <= max_low_byte_size, "Parameter check");


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