[code-reflection] RFR: Model lifetimes of onnx session-related objects more explicitly

[Maurizio Cimadamore]

On Fri, 28 Feb 2025 12:42:24 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> With these changes the memory arrives at ~400K (there is still some minor leak, but not sure worth pushing more).

Actually, I stand corrected -- I don't think there's any leak after the changes in this PR are applied. While memory keeps increasing up to 550Kb -- it then stays pegged there. So what I thought was a leak was likely the Java heap expanding before the GC kicked in.

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PR Comment: https://git.openjdk.org/babylon/pull/332#issuecomment-2690843490