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  1. Core Server
  2. SERVER-96176

Avoid unnecessary string copies in NumberParser for double parsing

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    • Type: Icon: Improvement Improvement
    • Resolution: Unresolved
    • Priority: Icon: Major - P3 Major - P3
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    • Server Programmability
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      Previously seen in SERVER-78480, we have observed this in profiling JParse(json.cpp). Parsing doubles copies the entire string which can be arbitrarily long. Given that we already have a StringData in parseNumberFromStringHelper<double>(), we can use C++ istringstream double parsing routine in place of strtod().

            Assignee:
            Unassigned Unassigned
            Reporter:
            jess.balint@mongodb.com Jess Balint
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              Created:
              Updated: