| Project/Area Number |
20700023
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Software
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| Research Institution | The University of Electro-Communications |
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Principal Investigator |
UGAWA Tomoharu The University of Electro-Communications, 電気通信学部, 助教 (50423017)
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| Project Period (FY) |
2008 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2009: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Keywords | プログラム処理系 / 組込みシステム / ディペンダブル・コンピューティング / システムソフトウェア / ガベージコレクション / Java |
|---|
| Research Abstract |
In embedded systems, since application programs run for a long time or forever, memory fragmentation, which becomes higher as the applications go along, is a serious problem. In this research, we proposed a garbage collector that reduces memory fragmentation without suspending the applications for a long time. The garbage collector uses replication-based incremental compaction. The compaction reduces memory fragmentation partially by moving a part of data. In this research, we also proposed an algorithm to choose data to be moved for efficient defragmentation.
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