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  1. JDK
  2. JDK-8210388

Use hash table to store archived subgraph_info records

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Details

    • Enhancement
    • Status: Resolved
    • P3
    • Resolution: Fixed
    • 12
    • 12
    • hotspot
    • b15

    Description

      For each archived java object subgraph, a subgraph_info record is created and stored in the archive file at dump time. These records are searched at runtime to retrieve the information associated with a specific subgraph when it needs to be installed in the entry point (which is usually a static filed), triggered by a VM.initializeFromArchive() call.

      We use an array to store the subgraph_info records. Currently the number of archived subgraph_info records are small (< 10) and the overhead of the liner search is not heavy. When more subgraphs are archived in the future and the number of records grows, we should consider using a hashtable to store the archived subgraph info records.

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              iklam Ioi Lam
              jiangli Jiangli Zhou
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                Updated:
                Resolved: