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  1. Core Server
  2. SERVER-82491

Avoid needless floating point calcuations in SBE std dev accumulator

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    • Icon: Improvement Improvement
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 7.2.0-rc0
    • None
    • None
    • None
    • Fully Compatible
    • QE 2023-10-30, QE 2023-11-13
    • 145

    Description

      While merging std dev accumulators in SBE, we should not calculate new m2 and mean values if one of the merged accumulator values has zero data.

        

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            ivan.fefer@mongodb.com Ivan Fefer
            ivan.fefer@mongodb.com Ivan Fefer
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              Updated:
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