/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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
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*/
#include "memory/collectorPolicy.hpp"
// There is a nice batch of tested generation sizing code in
// TwoGenerationCollectorPolicy. Lets reuse it!
public:
GenerationSizer() {
// Partial init only!
}
void initialize_flags() {
// Do basic sizing work
this->TwoGenerationCollectorPolicy::initialize_flags();
// If the user hasn't explicitly set the number of worker
// threads, set the count.
(ParallelGCThreads > 0),
"ParallelGCThreads should be set before flag initialization");
// The survivor ratio's are calculated "raw", unlike the
// default gc, which adds 2 to the ratio value. We need to
// make sure the values are valid before using them.
if (MinSurvivorRatio < 3) {
MinSurvivorRatio = 3;
}
if (InitialSurvivorRatio < 3) {
InitialSurvivorRatio = 3;
}
}
};
#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP