use MessageBuffer constructor reflection only when required #477
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@joelnn We prefer not mixing two or more changes (Unpacker and reflection). Could you make different PRs so that we can check these changes individually? Avoiding reflection is OK, but I'm not sure about MessageUnpacker changes, so I cannot merge this PR. |
xerial
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May 31, 2018
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Please split PRs into two so that we can check these changes for MessageUnpacker and MessageBuffer individually.
This was referenced Jun 9, 2018
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Invoking the MessageBuffer constructor showed up as a hotspot in my profiling. There is no need for it when we are only using MessageBuffer itself, not one of the subclasses.
This patch improves unpackValue performance for my data by about 25%.