[GitHub] [incubator-doris] mrhhsg commented on pull request #9226: [Enhancement]Avoid unnecessary calculations in HashTableGrower

[GitBox <gi...@apache.org>]

mrhhsg commented on PR #9226:
URL: https://github.com/apache/incubator-doris/pull/9226#issuecomment-1109590057

   > The query performance change looks very small, more like normal query time consuming jitter, are you sure this pr has a performance improvement?
   
   hi @yangzhg 
   In fact, the impact is very small, but a bit operation will be performed each time when data is inserted into the hash table.
   For example, it may take tens of milliseconds to perform 150,000 bit operations.
   


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