This repository has been archived by the owner on Sep 18, 2023. It is now read-only.
[NSE-610] hashagg opt#1 #715
Merged
Commits on Jan 25, 2022
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instead of do agg per row, this patch changed the behavior to do one agg per column to achieve better cache efficency in my local test TPCH Q1 is improved 10% The optimize on keys and hashmap logic will be split into following patch Signed-off-by: Yuan Zhou <yuan.zhou@intel.com>
Commits on Feb 7, 2022
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reserve space for keys in hashmap
Signed-off-by: Yuan Zhou <yuan.zhou@intel.com>
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Signed-off-by: Yuan Zhou <yuan.zhou@intel.com>
Commits on Feb 9, 2022
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using seperate code path for null/nonull batches
Signed-off-by: Yuan Zhou <yuan.zhou@intel.com>
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Signed-off-by: Yuan Zhou <yuan.zhou@intel.com>
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